Nihon Kohden ZM-941PA Medical Telemetry Transmitter User Manual 2

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Date Submitted	2008-11-25 00:00:00
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When Using Disposable Cuffs or YP-960T series Reusable Cuffs
To use these NIBP cuffs, an optional YN-990P extension hose (1.5 m) is required.
NOTE
Connect the joints properly. If there is an air leak, NIBP cannot be measured properly.
1. Connect the NIBP cuff to the extension hose.
2. Connect the other end of the extension hose
to the NIBP socket on the transmitter. Turn
the joint clockwise until it clicks.
To disconnect the cuff from the transmitter,
turn the hose joint counterclockwise.
Attaching the NIBP Cuff to the Patient
WARNING
Be careful when measuring NIBP on a patient with known bleeding disorders or
coagulation. After NIBP measurement, there may be dot hemorrhage, or circulatory
disorder by thrombus where the cuff is attached.
CAUTION
Do not wrap the cuff on an arm or
thigh which is used for injection. NIBP
measurement on an arm or thigh
which is used for injection may cause
reflux of blood and stop injection.
CAUTION
Do not wrap the cuff too tight. It may
cause poor blood circulation and
congestion. If the cuff is wrapped too
loosely, the NIBP value may increase.
Operator’s Manual ZM-940PA/941PA
CAUTION
Do not attach the cuff to the site
where there is injury or inflammation.
If the skin gets irritated or redness
appears on the skin from the cuff,
change the attachment site or stop
using the cuff. Take extreme care on
the patients with delicate skin.
CAUTION
Do not reuse disposable parts and
accessories.
41
CAUTION
NIBP and SpO2 can be measured on
the same limb, but the SpO2
monitoring might not be accurate
during NIBP measurement. Be careful
when reading the SpO2 values.*
* Monitoring SpO2 during NIBP Measurement
When the SpO2 probe is attached to the
same limb as the NIBP cuff, the blood
flow decreases during NIBP measurement
and pulse wave cannot be detected and
SpO2 cannot be monitored properly. When
“INHIBIT SpO2 DURING NIBP” on the
PARAMETER SETUP screen is set to ON
(factory default setting), SpO2 monitoring is
paused during NIBP measurement to avoid
SpO2 alarm occurrence. However, when
monitoring SpO2 on the same limb as the
NIBP, be careful when reading SpO2 values.
NOTE
• Measuring NIBP at a site other than the upper arm gives different values from those
measured at the upper arm. When making diagnosis based on the NIBP values, measure
NIBP on an upper arm.
• To accurately detect the pulsatile flow of the artery, the cuff should be wrapped around a
bare upper arm.
• Do not use an abnormal cuff. The cuff deteriorates from use and cleaning. Before use,
check the cuff and confirm that there is no flaw, crack or hole in it. Be careful not to
damage the inflation bag. If the inflation bag has a hole or a flaw, it may burst during use.
Dispose of an abnormal cuff and replace it with a new one.
• Refer to the NIBP cuff manual for details.
Cuff Position
When placing the transmitter on
a bed, make sure that the hose is
not bent.
Heart
42
Place the cuffed upper arm (brachium) at the same height
as the patient’s heart. If the cuff is not at the same level as
the heart, the weight of the blood affects the blood pressure
reading. The pressure difference per unit height is 0.7
mmHg/cm. The blood pressure reading decreases when the
arm is higher than the heart and increases when lower.
The best measuring condition is when the patient is lying on
his/her back with arms and legs relaxed. If the cuff position
cannot be on the same level as the heart, the displayed blood
pressure reading must be mathematically adjusted.
Operator’s Manual ZM-940PA/941PA
Attaching the Transmitter on an Arm (Using the YP-943P/944P NIBP Cuff)
1. Attach the NIBP cuff to the transmitter. Refer
to the “Connecting the NIBP Cuff to the
Transmitter” section.
2. Insert the end of the cuff into the belt and then
through the D ring as shown at left.
Belt
D ring
End of cuff
3. Fold back the cuff at the D ring and fasten it
using the velcro tape.
Make sure that the cuff is not attached on a joint.
NOTE
The cuff must not wrap around the elbow.
Operator’s Manual ZM-940PA/941PA
43
Attaching the Strap to the Transmitter
NOTE
• Use the strap to prevent the transmitter from falling.
• Do not attach the clip to hard objects such as thick cloth or zipper. It will break the clip.
Attach a strap provided with the transmitter to the NIBP cuff and patient clothes.
To open the clip, firmly
pull out the tab in
direction of the arrow.
Belt for the strap on the NIBP cuff
To adjust the strap length,
push down the tab on the
adjuster and slide.
1. Adjust the length of the strap.
2. Clip one end of the strap to the belt for the strap
on the NIBP cuff.
3. Clip the other end of the strap to the patient’s
clothes as shown left.
44
Operator’s Manual ZM-940PA/941PA
Placing the Transmitter on the Bed (Using the Disposable Cuffs or YP-960T series Reusable
Cuffs)
ARTERY ▼
1. Put the cuff on the upper arm so that the ▼ mark
of “ARTERY ▼” aligns with the artery of the
patient.
2. Wrap the cuff so that “INDEX
within the “
RANGE
”.
RANGE
” comes
If “Index
” is not within the “
”, change the cuff size.
RANGE
Attaching Electrodes
Selecting Electrode Lead
CAUTION
Only use Nihon Kohden specified electrodes and electrode leads. When other type of
electrodes or electrode leads are used, the “CHECK ELECTRODES” message may
be displayed and monitoring may stop.
The following electrode leads can be used on the transmitter (option).
BR-903PA,
3 electrodes,
clip type
BR-913PA,
3 electrodes,
snap type
Operator’s Manual ZM-940PA/941PA
BR-906PA,
6 electrodes,
clip type
BR-916PA,
6 electrodes,
snap type
45
Connecting the Electrode Lead to the Transmitter
Connect the electrode lead to the ECG/RESP socket on the transmitter.
When the transmitter is attached on an arm
CAUTION
CAUTION
Do not shake or swing the transmitter
while holding the leads or cables
connected to the transmitter. The
transmitter may come off and injure
someone or damage surrounding
instruments.
Hold the connector of the electrode
lead when connecting/disconnecting
the electrode lead. If you disconnect
the electrode lead by pulling the lead,
it damages the electrode lead.
Selecting the Electrode Position
Follow the physician’s instructions for electrode placement when available.
For ECG monitoring, electrodes are attached only on the chest to allow patient movement and
obtain continuous stable ECG. Following leads are examples. When also monitoring respiration,
refer to the “Electrode Position for Respiration Monitoring” section.
NOTE
The optimum electrode positions for ECG measurement of a patient are not always
optimum for respiration measurement of the patient. Select positions suitable for both ECG
and respiration measurements, or positions which have priority for one measurement.
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Operator’s Manual ZM-940PA/941PA
Six Electrodes
The 6-electrode method with lead II and lead V5 is effective for monitoring myocardial ischemia.
You can improve monitoring accuracy considerably by adding lead V4 to this combination. Va and
Vb can be at any position of the standard 12 leads V1 to V6, but V4 and V5 are most appropriate for
myocardial ischemic monitoring.
LA/L
RA/R
Va/Ca
Vb/Cb
RL/RF
LL/F
Electrode Position
Symbol
AHA
IEC
Lead Color
AHA
IEC
Left infraclavicular fossa
LA
Black
Yellow
Right infraclavicular fossa
RA
White
Red
Below lowest rib on the left anterior axillary line
LL
Red
Green
Right anterior axillary line at the same level as LL/F
RL
RF
Green
Black
Fifth intercostal space on the left midclavicular line.
(V4 position of standard 12 leads)
Left anterior axillary line at the same level as Va.
(V5 position of standard 12 leads)
Operator’s Manual ZM-940PA/941PA
Va
Ca
Brown-blue
Whitebrown
Vb
Cb
Brownorange
White-black
47
Lead Position
Standard limb leads
Lead I
RA
Lead II
LA
Lead III
RA
LL
N (RL)
Monopolar limb leads
aVR lead
N (RL)
aVL lead
aVF lead
RA
LA
RA
LA
N (RL)
N (RL)
LA
LL
LL
LL
LA
LL
LL
N (RL)
RA
RA
LA
N (RL)
Monopolar chest leads
V1 to V6 leads
to
RA
LA
LL
N (RL)
48
Operator’s Manual ZM-940PA/941PA
Three Electrodes
• Lead MII, which is similar to standard lead II, used when ECG measurement has priority
Electrode Position
Left infraclavicular fossa
Right infraclavicular fossa
Below lowest rib on the left anterior
axillary line
• Lead MI, which is similar to standard lead I
Change F/LL and L/LA of the lead MII.
Symbol
AHA
IEC
LA
RA
LL
Lead Color
AHA
IEC
Black
Yellow
White
Red
Red
Green
• Lead MIII, which is similar to standard lead III.
Change R/RA and L/LA of the lead MII.
If the electrode position shown above is not available due to chest surgery, attach the electrodes to
the root of the limbs or below the clavicles for stable ECG monitoring.
Operator’s Manual ZM-940PA/941PA
49
Attaching Electrodes to the Patient and Connecting the Electrode Leads to
Disposable Electrodes
Prepare the Patient Skin
Shave off excessive body hair.
To reduce skin impedance, clean the electrode site with cream or with a cotton pad moistened with
alcohol. Thoroughly dry the skin with a clean cotton pad.
NOTE
• For a patient with frequent body movement, rub the sites with Skinpure skin preparation
gel. However, do not use Skinpure skin preparation gel on sensitive skin.
• Do not place electrodes on a wound or on an inflamed, wrinkled or uneven skin surface.
Attaching Electrodes to the Patient
CAUTION
Do not reuse disposable parts and accessories.
NOTE
• To maintain good contact between the electrode and skin, check that the paste of the
disposable electrode is not dry.
• When contact between the disposable electrode and skin becomes poor, replace
electrodes with new ones immediately. Otherwise, contact impedance between the skin
and the electrode increases and the correct ECG cannot be obtained.
Refer to the electrode operator’s manual for details.
1. Carefully remove the backing paper from the electrode.
Avoid touching the adhesive surface.
2. Place the electrode on the previously cleaned skin. Pay
attention to the electrode lead color and symbol.
3. Clip the electrode lead to the electrode.
4. Fasten the electrode lead wire with surgical tape with an
extra length of wire between the tape and the electrode.
This lessens the movement of electrode leads by body
movement and helps stable monitoring.
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Operator’s Manual ZM-940PA/941PA
Electrode Position for Respiration Monitoring
Place the R/RA and F/LL electrodes so that the lungs are between the electrodes.
NOTE
The optimum electrode positions for ECG measurement of a patient are not always
optimum for respiration measurement of the patient. Select positions suitable for both ECG
and respiration measurements, or positions which have priority for one measurement.
Electrode Position Examples
NOTE
The following examples are when monitoring with 3 electrodes. ECG cannot be monitored
correctly when electrodes are attached as the following examples when monitoring with 6
electrodes.
Position 1
In this position, respiration measurement is available; however, there is a difference in amplitude
between different patients.
R or RA
F or LL
Fifth intercostal space on the
Right infraclavicular fossa
left midclavicular line, V4
Position 2
In this position, the waveform amplitude is usually large and the ECG lead is similar to Lead MII.
This position can be generally recommended.
R or RA
F or LL
Fifth intercostal space on the
Right infraclavicular fossa
left midaxillary line, V6
Operator’s Manual ZM-940PA/941PA
51
Position 3
In this position, the respiration waveform is optimum, but the ECG lead is unusual.
R or RA
Right midaxillary at the
horizontal level of V4
F or LL
Fifth intercostal space on the
left midaxillary line, V6
Position 4
In this position, the respiration measurement is influenced by the impedance variation of the
abdomen, so the cardiac pulse wave included in the respiration wave is reduced. Note that the
waveform is inverted in phase compared with the chest movement (the waveform goes down during
inspiration). It is difficult to measure the ECG at the same time.
R or RA
Lowest rib on the right�
anterior axillary line
52
F or LL
Lowest rib on the left anterior
axillary line
Operator’s Manual ZM-940PA/941PA
Attaching the SpO2 Probe
Selecting the SpO2 Probe
Select an appropriate probe for the patient.
CAUTION
CAUTION
Only use Nihon Kohden specified
electrodes, electrode leads, SpO2
probes, and NIBP cuffs. Otherwise,
the maximum performance from the
transmitter cannot be guaranteed.
Do not use a damaged or
disassembled probe. It causes
incorrect measurement and may
injure the patient.
Reusable Probes
When using a TL-201T finger probe, choose the appropriate cable length for attachment.
Probe
Finger probe TL-201T
Cable Length
0.6 m
Patient
Adult or child
20 kg or more
Attachment Site
Finger
Adult or infant
3 kg or more
Finger or toe
Neonate
3 kg or less
Instep and sole
1.6 m
Multi-site probe TL-220T
Attachment tape
Finger probe
TL-630T1/TL-630T3/TL-631T1/TL-631T3
Attachment tape
TL-630T1/630T3: Finger or toe
Adult or child
50 kg or more
TL-631T1/631T3:
Adult or child
20 kg or more
Cable length TL-630T1/TL-631T1: 0.6 m
TL-630T3/TL-631T3: 1.6 m
Operator’s Manual ZM-940PA/941PA
53
Disposable Probes
CAUTION
The disposable probe is not sterilized. Use the disposable probe only for a single
patient. Never reuse the disposable probe for another patient because it causes cross
infection.
Probe
Patient
Attachment Site
Finger or toe
TL-251T
Adult
30 kg or more
TL-252T
Child
3 to 40 kg
Finger or toe
TL-253T
Neonate
3 kg or less
Instep and sole
TL-051S/TL-052S
Adult
50 kg or more
Finger
Neonate
3 kg or less
Instep and sole
Adult or child
15 to 50 kg
Finger
Infant
3 to 15 kg
Toe
40 mm
Cable length TL-051S: 0.8 m
TL-052S: 1.6 m
TL-061S/TL-062S
35 mm
Cable length TL-061S: 0.8 m
TL-062S: 1.6 m
54
Operator’s Manual ZM-940PA/941PA
Probe
TL-271T/TL-271T3
Cable length TL-271T: 0.8 m
TL-271T3: 1.6 m
TL-272T/TL-272T3
Cable length TL-272T: 0.8 m
TL-272T3: 1.6 m
TL-273T/TL-273T3
Patient
Adult
30 kg or more
Attachment Site
Finger or toe
Child
10 to 50 kg
Neonate
3 kg or less
Instep and sole
Adult
40 kg or more
Finger or toe
Cable length TL-273T: 0.8 m
TL-273T3: 1.6 m
TL-274T/TL-274T3
Infant
3 to 20 kg
Cable length TL-274T: 0.8 m
TL-274T3: 1.6 m
Operator’s Manual ZM-940PA/941PA
55
Connecting the SpO2 Probe to the Transmitter
Connect the probe to the SpO2 socket on the transmitter.
When the transmitter is attached on an arm
56
CAUTION
CAUTION
Do not shake or swing the transmitter
while holding the leads or cables
connected to the transmitter. The
transmitter may come off and injure
someone or damage surrounding
instruments.
Hold the connector when connecting/
disconnecting the SpO2 probe. If you
disconnect the SpO2 probe by pulling
the cable, it damages the cable.
Operator’s Manual ZM-940PA/941PA
Attaching the Probe to the Patient
Attach the probe to the patient by referring to the probe’s manual. Make sure that the light emitter
and photo detector of the probe face each other at the attachment site.
WARNING
WARNING
• When using the TL-201T finger
probe, do not fasten the probe and
cable to the finger by wrapping with
tape. This may cause burn,
congestion or pressure necrosis
from poor blood circulation.
• When using probes other than the
TL-201T finger probe, to avoid poor
circulation, do not wrap the tape too
tight. Check the blood circulation
condition by observing the skin
color and congestion at the skin
peripheral to the probe attachment
site. Even for short-term monitoring,
there may be burn or pressure
necrosis from poor blood circulation,
especially on neonates or low birth
weight infants whose skin is
delicate. Accurate measurement
cannot be performed on a site with
poor peripheral circulation.
Check the circulation condition by
observing the skin color at the
measurement site and pulse
waveform. Change the measurement
site every 8 hours for disposable
probes and every 4 hours for reusable
probes (every 8 hours for TL-630T/TL631T series probe). The skin
temperature may increase at the
attached site by 2 or 3°C (4 or 5°F)
and cause a burn or pressure
necrosis. When using the probe on the
following patients, take extreme care
and change the measurement site
more frequently according to
symptoms and degree.
• Patient with a fever
• Patient with peripheral circulation
insufficiency
• Neonate or low birth weight infant
with delicate skin
• Patient who is receiving
photodynamic therapy*
* Photodynamic therapy is a treatment to
remove the affected tissue by using a
photosensitizing agent and exposing the tissue
to light. This treatment has a side effect of
photosensitivity and the light from the finger
probe sensor may cause a burn. This probe
uses two light wavelengths in the range from
650 to 950 nm. The maximum light intensity
is less than 5.5 mW/sr.
Operator’s Manual ZM-940PA/941PA
57
CAUTION
If the attachment site is dirty with
blood or bodily fluids, clean the
attachment site before attaching the
probe. If there is nail polish on the
attachment site, remove the polish.
Otherwise, the amount of transmitted
light decreases, and measured value
may be incorrect or measurement
cannot be performed.
CAUTION
If the skin gets irritated or redness
appears on the skin from the probe,
change the attachment site or stop
using the probe. Take extreme care for
the patients with delicate skin.
CAUTION
CAUTION
When the probe is attached on an
appropriate site with sufficient
circulation and the error message
confirming the probe attachment
repeatedly appears, the probe may be
deteriorated. Replace it with a new
one.
Do not immerse the disposable probe
in detergents or water. If the probe
adhesive surface gets wet,
adhesiveness becomes weak and the
probe cannot be attached to the skin.
CAUTION
Do not use a probe which is
deteriorated by aging. Accurate
measurement cannot be performed.
CAUTION
When removing a probe that is taped
to the skin, do not pull the probe cable
because this can damage the cable.
CAUTION
Neonatal skin is delicate. Remove the
probe and tape carefully and slowly.
CAUTION
When removing the probe from the
attachment tape, do not pull the
sensor cable because this can
damage the cable.
CAUTION
Refer to the probe instruction manual
for details.
58
Operator’s Manual ZM-940PA/941PA
Locking the Keys on the Transmitter
To prevent the patient from pressing the keys on the transmitter during monitoring, you can lock the
NIBP START/STOP and NIBP INTERVAL keys.
1. Press the NIBP INTERVAL key for about 3 seconds.
2. A “pip, pip” sounds and the “LOCK KEYS” message is displayed on the LCD.
Pip, pip
LOCK
KEYS
When the NIBP START/STOP key or NIBP INTERVAL key is pressed while the keys are locked,
the “PRESS INT. KEY 3S TO UNLOCK” message appears.
To unlock the keys:
1. Press the NIBP INTERVAL key for about 3 seconds.
2. A “pip, pip” sounds and the keys are unlocked. The “UNLOCK KEYS” message appears and
the keys are unlocked.
Operator’s Manual ZM-940PA/941PA
59
Monitoring
When preparation is done, monitoring starts.
NIBP Oscillometric Method
NIBP is measured from the change in amplitude pattern of pulsatile oscillation in cuff pressure
as the cuff pressure is reduced from above systolic to below diastolic pressure. The occlusiveoscillometry method uses this to determine the systolic, diastolic and mean arterial pressure.
NIBP Monitoring
Selecting the Initial Cuff Inflation Pressure
The initial cuff inflation pressure can be changed on the PARAMETER SETUP screen. The default
setting is 180 mmHg. To change the setting, refer to the “Changing Parameter Setup Settings”
section.
Selecting the Measurement Mode and Interval
Measurement Modes
There are three measurement modes: manual, auto and STAT. The selected mode or interval is
displayed at the lower right of the screen.
The measurement mode and interval can be changed by pressing the NIBP INTERVAL key.
When the key is pressed, the measurement mode changes according to the modes selected at
“SELECTABLE INTERVALS” on the PARAMETER SETUP screen. MANUAL mode is already
selected for the mode selection.
To select the modes for the mode selection, refer to the “Changing Parameter Setup Settings”
section.
Manual Measurement
In Manual mode, a single NIBP measurement is performed when the NIBP START/STOP key is
pressed.
STAT (Continuous) Measurement
In STAT mode, measurement is continuously repeated for 15 minutes after the NIBP START/ STOP
key is pressed.
When the STAT measurement for 15 minutes is completed, the measurement mode automatically
changes to the Manual mode or Auto mode of selected interval depending on the “NIBP MODE
AFTER STAT” setting on the PARAMETER SETUP screen. The default setting is Manual mode.
60
Operator’s Manual ZM-940PA/941PA
Refer to the “Changing Parameter Setup Settings” section.
The STAT measurement completes within 15 minutes. When more than 12 minutes elapse from the
start of measurement, there will be no more measurement performed and the measurement mode
changes to the mode selected for “NIBP MODE AFTER STAT” on the PARAMETER SETUP
screen.
Auto Measurement
In Auto mode, measurement is performed automatically at the preset time intervals.
In Auto mode, a single measurement can be performed by pressing the NIBP START/STOP key
between auto measurements.
Measuring NIBP
WARNING
Be careful when measuring NIBP on a
patient with known bleeding disorders
or coagulation. After NIBP
measurement, there may be dot
hemorrhage, or circulatory disorder by
thrombus where the cuff is attached.
WARNING
When performing NIBP
measurements in STAT mode or 5
minute intervals, periodically remove
the cuff from the patient for ventilation.
The skin temperature may increase at
the cuff attachment site by 2 or 3°C (4
or 5°F). When measuring a patient
with a fever or peripheral circulation
insufficiency, it may cause a burn.
WARNING
NIBP measurement may be incorrect
in the following cases.
• When using an electrosurgical unit
• When there is body movement
• When the pulse wave is small
(insufficient peripheral circulation)
• Too many arrhythmias
• When there is vibration
• When there is a rapid blood
pressure change
• During CPR
CAUTION
When performing NIBP measurement
repeatedly, have a rest between
measurements to recover adequate
circulation.
Operator’s Manual ZM-940PA/941PA
61
NOTE
• When measuring patients who are conscious, help the patient to relax. Measurement
may not be accurate if the patient’s arm is tense or if the patient talks.
• The data for measurement on a leg tends to be higher than measurement on the arm.
When making diagnosis based on the NIBP values, measure NIBP on an upper arm.
• Do not apply pressure to the cuff or air hose. NIBP may not be measured correctly
because of noise or NIBP measurement may stop due to the NIBP safety circuit.
• When the transmitter is attached to the patient arm and the NIBP measurement
is performed when moving, tell the patient to relax and keep quiet. Otherwise,
measurement may be stopped or remeasurement is repeated due to body movement.
• If there is an abnormal noise generated during measurement, stop using the transmitter
and contact your Nihon Kohden representative.
• Do not measure NIBP of a patient on whom an IABP is being used. Measurement may
be incorrect due to the mixing of the patient’s own pulse and IABP pulse.
• NIBP cannot be measured on a neonate using this transmitter.
1.
Select the measurement mode by pressing the NIBP INTERVAL key.
2.
Press the NIBP START/STOP key to perform measurement.
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Operator’s Manual ZM-940PA/941PA
The cuff is inflated and the inflation pressure is displayed on the screen.
Inflation pressure
In manual mode: Measurement is performed once.
In STAT mode: Measurement is performed repeatedly for 15 minutes.
In auto mode:
The first measurement is performed when the NIBP START/STOP key is
pressed. The second measurement is performed when the current time in the
transmitter reaches the selected time interval.
To stop measurement during measurement, press the NIBP START/STOP key again.
In STAT mode, after completing the STAT measurement, the measurement mode changes to the
mode set for “NIBP MODE AFTER STAT” on the PARAMETER SETUP screen.
In auto mode, to stop measurement in auto mode, change the mode to manual. To cancel one
measurement, press the NIBP START/STOP key during measurement.
After the measurement is complete, the measured data is displayed on the screen and is transmitted
to the monitor.
When SpO2 is not monitored, the pulse rate at the end of NIBP measurement is displayed.
During auto mode measurement, the measurement mode can be changed. During the interval, press
the NIBP INTERVAL key to change the mode. When “MANUAL” is displayed for more than one
second, the measurement in auto mode is stopped.
A buzzer can be set to sound at the start and end of NIBP measurement. Refer to the “Changing
Parameter Setup Settings” section.
Operator’s Manual ZM-940PA/941PA
63
Data Display After NIBP Measurement
When the time set at “OLD NIBP DATA” on the PARAMETER SETUP screen elapses after the last
measurement, the NIBP data is dimmed or hidden. Whether to dim or hide the old data can also be
selected at “OLD NIBP DATA”. Refer to the “Changing Parameter Setup Settings” section.
Data Display on the Receiving Monitor
When the “Low battery
” message is displayed on the receiving monitor, NIBP might not have
been measured according to the NIBP interval setting. Therefore, the NIBP data displayed on the
receiving monitor might not be updated. In this case, check the measurement time of the NIBP data
displayed on the receiving monitor.
Monitoring SpO2 during NIBP Measurement
When the SpO2 probe is attached to the same limb as the NIBP cuff, the blood flow decreases
during NIBP measurement and pulse wave cannot be detected and SpO2 cannot be monitored
properly. When “INHIBIT SpO2 DURING NIBP” on the PARAMETER SETUP screen is set to
ON (factory default setting), SpO2 monitoring is paused during NIBP measurement to avoid SpO2
alarm occurrence. However, when monitoring SpO2 on the same limb as the NIBP, be careful when
reading SpO2 values.
ECG and Respiration Monitoring
When the electrodes are attached and the ECG leads are connected to the electrodes, heart rate, ECG
waveform, respiration rate and respiration waveform appear on the monitor.
When 6 leads are used on this transmitter, up to 8 lead (I, II, III, aVR, aVL, aVF, Va and Vb) of
ECG waveforms can be displayed on the receiving monitor. The heart rate is also measured.
When 3 leads are used, one channel ECG waveform of lead II can be displayed on the receiving
monitor. Refer to the operator’s manual of the monitor for details.
Respiration is monitored by measuring changes in impedance between the RA and LL ECG
electrodes. This transmitter sends the changes in impedance to the monitor as a respiration
waveform. The monitor displays the respiration waveform and calculates respiration rate. Refer to
the operator’s manual of the monitor for details.
64
Operator’s Manual ZM-940PA/941PA
WARNING
Interaction Between Minute Ventilation Rate-Adaptive Pacemakers and Cardiac
Monitoring and Diagnostic Equipment*
The bioelectric impedance measurement sensor of a minute ventilation rate-adaptive
implantable pacemaker may be affected by transmitter which is connected to the
same patient. If this occurs, the pacemaker may pace at its maximum rate and the
transmitter may give incorrect data to the monitor. If this occurs, disconnect the
electrode leads from the patient or change the setting on the pacemaker by referring
to the pacemaker’s manual. For more details, contact your pacemaker representative
or Nihon Kohden representative.
* Minute ventilation is sensed in rate-adaptive pacemakers by a technology known as bioelectric
impedance measurement (BIM). Many medical devices in addition to pacemakers use this
technology. When one of these devices is used on a patient with an active, minute ventilation rateadaptive pacemaker, the pacemaker may erroneously interpret the mixture of BIM signals created
in the patient, resulting in an elevated pacing rate.
For more information, see the FDA web site.
http://www.fda.gov/cdrh/safety.html
WARNING
When the transmitter is used with an electrosurgical unit (ESU), firmly attach the
entire area of the ESU return plate. Otherwise, the current from the ESU flows into the
electrodes of the transmitter, causing electrical burn where the electrodes are
attached. For details, refer to the ESU manual.
CAUTION
Turn off the power of mobile phones, small wireless devices and other devices which
produce strong electromagnetic interference around a patient (except for devices
allowed by the hospital administrator). Radio waves from devices such as mobile
phones or small wireless devices may be mistaken as pulse waves and the displayed
data may be incorrect.
NOTE
• Noise generated from an electrosurgical unit may interfere on an ECG waveform, but will
not damage it.
• If an electric blanket is used and incorrect heart rate is displayed on the monitor, turn off
the pacing spike detection on the monitor.
• Turn the pacing spike detection to ON on the monitor when monitoring a pacemaker
Operator’s Manual ZM-940PA/941PA
65
patient. Pacing pulse is detected by the transmitter and transmitted to the monitor.
If the pacing spike detection is turned OFF, QRS and pacemaker spike may not be
distinguished and pacemaker failure may not be recognized.
Electrode Detachment
In the following conditions, the check electrode indication is displayed on the LCD of the
transmitter and the “CHECK ELECTRODE” message is displayed on the monitor.
• Electrode is detached from skin.
• Electrode lead is disconnected from the electrode.
• Polarization voltage between the electrode and skin is excessively high.
In these cases, check the cause and if necessary, replace electrodes with new ones.
CAUTION
When the “ELECTRODE OFF” or “CHECK ELECTRODE” message is displayed on
the receiving monitor, ECG is not monitored properly and the ECG alarm does not
function. Check the electrode, electrode leads, and if necessary, replace with new
ones.
Check Electrode Indication on the Transmitter when Monitoring with 3 Electrodes
The “ ” mark is displayed.
Check electrode symbol
Check Electrode Indication on the Transmitter when Monitoring with 6 Electrodes
The “ ” mark and either the detached lead or detached electrode position is indicated, depending
on the LEADS OFF DISPLAY setting on the PARAMETER SETUP screen.
Check electrode symbol
Check electrode indication
When LEADS OFF
DISPLAY is set to CHAR, the
detached lead is indicated
66
When LEADS OFF
DISPLAY is set to IMAGE,
the detached electrode
position is indicated with X
Operator’s Manual ZM-940PA/941PA
SpO2 Monitoring
When monitoring starts, SpO2 and pulse waveform are sent to the monitor and SpO2, pulse rate and
pulse level bar graph are displayed on the transmitter LCD.
WARNING
WARNING
SpO2 measurement may be incorrect
in the following cases.
• When the patient’s
carboxyhemoglobin or
methemoglobin increases
abnormally.
• When dye is injected in the blood.
• When using an electrosurgical unit.
• During CPR.
• When measuring at a site with
venous pulse.
• When there is body movement.
• When the pulse wave is small
(insufficient peripheral circulation).
Check the circulation condition by
observing the skin color at the
measurement site and pulse
waveform. Change the measurement
site every 8 hours for disposable
probes and every 4 hours for reusable
probes (every 8 hours for TL-630T/TL631T series probe). The skin
temperature may increase at the
attached site by 2 or 3°C (4 or 5°F)
and cause a burn or pressure
necrosis. When using the probe on the
following patients, take extreme care
and change the measurement site
more frequently according to
symptoms and degree.
• Patient with a fever
• Patient with peripheral circulation
insufficiency
• Neonate or low birth weight infant
with delicate skin
• Patient who is receiving
photodynamic therapy*
WARNING
When not monitoring SpO2,
disconnect the SpO2 cable from the
transmitter. Otherwise, noise from the
probe sensor may interfere and
incorrect data is displayed on the
screen.
* Photodynamic therapy is a treatment to
remove the affected tissue by using a
photosensitizing agent and exposing the tissue
to light. This treatment has a side effect of
photosensitivity and the light from the finger
probe sensor may cause a burn. This probe
uses two light wavelengths in the range from
650 to 950 nm. The maximum light intensity
is less than 5.5 mW/sr.
Operator’s Manual ZM-940PA/941PA
67
CAUTION
CAUTION
Turn off the power of mobile phones,
small wireless devices and other
devices which produce strong
electromagnetic interference around a
patient (except for devices allowed by
the hospital administrator). Radio
waves from devices such as mobile
phones or small wireless devices may
be mistaken as pulse waves and the
displayed data may be incorrect.
Do not pull or bend the probe cable,
and do not put caster feet on the
probe cable. Do not immerse the
probe cable in chemical solutions or
water. Failure to follow these
instructions may cause cable
discontinuity, short circuit, skin burn
on the patient and incorrect
measurement data. Replace any
broken probe with a new one.
CAUTION
CAUTION
Normal external light does not affect
monitoring but strong light such as a
surgical light or sunlight may affect
monitoring. If affected, cover the
measuring site with a blanket.
When the probe is attached on an
appropriate site with sufficient
circulation and the error message
confirming the probe attachment
repeatedly appears, the probe may be
deteriorated. Replace it with a new
one.
CAUTION
CAUTION
When a message indicates a faulty
probe, stop monitoring and replace
the probe with a new one.
While a patient is on medication which
causes vasodilation, the pulse
waveform may change and in rare
cases the SpO2 value might not be
displayed.
NOTE
In order to maintain sufficient blood circulation, keep the measurement site warm by
covering it with a blanket or something similar. Warming the site is effective, especially for a
patient with a small pulse amplitude.
SpO2 and PR Display Order
You can select the display order for SpO2 and PR (pulse rate) on the LCD. Refer to the “Changing
Parameter Setup Settings” section.
68
Operator’s Manual ZM-940PA/941PA
Monitoring SpO2 during NIBP Measurement
When the SpO2 probe is attached to the same limb as the NIBP cuff, the blood flow decreases
during NIBP measurement and pulse wave cannot be detected and SpO2 cannot be monitored
properly. When “INHIBIT SpO2 DURING NIBP” on the PARAMETER SETUP screen is set to ON
(factory default setting), SpO2 monitoring is paused during NIBP measurement to avoid SpO2 alarm
occurrence. However, when monitoring SpO2 on the same limb as NIBP, be careful when reading
SpO2 values.
When monitoring SpO2 is important, attach the probe to the limb to which the NIBP cuff or catheter
is not attached.
When SpO2 monitoring is paused during NIBP measurement, the SpO2 value just before the start of
NIBP measurement and an
mark are displayed on the transmitter for 30 seconds.
When NIBP measurement is not completed after 30 seconds, “– – –” is displayed for the SpO2 value.
The same data also appears on the monitor screen.
NOTE
• When continuous SpO2 monitoring is necessary, attach the probe to the limb to which the
NIBP cuff is not attached and set “INHIBIT SpO2 DURING NIBP” on the PARAMETER
SETUP screen to OFF.
• When the probe is attached to the same limb as the NIBP cuff, set the sync source to a
parameter other than SpO2 on the receiving monitor.
• When monitoring SpO2 during STAT NIBP measurement, attach the probe to the limb to
which the NIBP cuff is not attached.
Operator’s Manual ZM-940PA/941PA
69
Display and Message List
Battery Indication
Indication
Cause
Countermeasure
Fully charged battery
——
Batteries are low.
Batteries are low. NIBP cannot be measured.
No
indication
Replace batteries.
Dead batteries
ECG/Respiration
Indication
Cause
Electrode lead is disconnected from the
electrode.
Electrode lead is disconnected from the
transmitter.
Electrode lead discontinuity.
Electrode is not firmly attached to the skin.
Polarization voltage is abnormally high.
Countermeasure
Firmly connect the electrode lead to
the electrode.
Firmly connect the electrode lead to
the transmitter.
Replace the electrode lead with a
new one.
Replace the electrode with a new
one.
When monitoring ECG with 6 electrodes, the electrode or lead detached position is indicated by
either lead or electrode position. This is set at LEADS OFF DISPLAY on the PARAMETER SETUP
screen. Refer to the “Changing Parameter Setup Settings” section.
LEADS OFF DISPLAY set to CHAR
ECG ELECTRODE set to AHA
LEADS OFF DISPLAY set to CHAR
ECG ELECTRODE set to IEC
LEADS OFF DISPLAY set to IMAGE
70
Operator’s Manual ZM-940PA/941PA
SpO2
Message
During NIBP
measurement
Cause
SpO2 monitoring is paused for
NIBP measurement.
Considerable body movement.
Detecting body
The probe is not attached to the
movement
patient properly.
The probe is not attached to the
patient properly.
SpO2 CHECK
The probe is not attached at the
PROBE
appropriate site.
Probe is expired.
SpO2 DETECTING
PULSE
SpO2 LIGHT
INTERFERENCE
SpO2 PROBE
FAILURE
SpO2 WEAK PULSE
Searching for the correct pulse
wave.
The SpO2 value cannot be
obtained because the waveform
is unstable.
The probe is not attached to the
patient properly.
SpO2 measurement site is under
fluorescent light, surgical light,
sunlight, etc.
Countermeasure
Wait for NIBP measurement to finish.
When the message is displayed frequently,
check the patient condition and, if
necessary, change the attachment site.
Attach the probe to the patient properly.
Attach the probe to a site 6 to 14 mm
thick.
Replace the probe with a new one.
Wait until the pulse wave is detected.
Attach the probe to the patient properly.
Cover the measurement site with a
blanket or cloth.
Probe is expired.
Replace the probe with a new one.
Probe is damaged or shortcircuited.
Replace the probe with a new one.
Poor peripheral circulation.
Check the patient condition and change
the attachment site.
The probe is attached too
tightly and is obstructing the
blood circulation.
Check the probe attachment condition
and if necessary, reattach the probe.
Operator’s Manual ZM-940PA/941PA
71
NIBP
Message
Cause
The cuff and extension hose are not
properly connected.
NIBP AIR LEAK
The cuff hose (or extension hose) is not
properly connected to the NIBP socket.
Countermeasure
Connect them properly.
The cuff or extension hose is damaged. Replace with a new one.
The patient’s pulse wave is small.
Measure by palpation or auscultation.
The cuff is not wrapped on the patient
properly.
Wrap the cuff on the patient properly.
NIBP CHANGE
BATTERIES NO NIBP
NIBP cannot be measured due to low
battery.
Replace batteries with new ones.
NIBP CUFF OCCLUSION
Transmitter malfunction.
Immediately remove the cuff from the
patient and contact your Nihon Kohden
representative.
NIBP HIGH CUFF PRESS
Enormous pressure was applied by the
pressure of the cuff.
Remove the cause.
NIBP INFLATION PRESS
LOW
Insufficient cuff inflation pressure.
Wait for the remeasurement to be
performed with increased cuff inflation
pressure.
NIBP MEAS TIME-OUT
The measuring time exceeded the
Remove the cause if the cause is body
specified time due to arrhythmia, body
movement, vibration or squeezing of
movement, vibration or, cuff or air hose
cuff or hose.
being squeezed.
NIBP CANNOT DETECT
PULSE
NIBP MODULE FAILURE Module malfunction.
NIBP REMEASURING
NIBP is being remeasured due to
arrhythmia, body movement, vibration
or, cuff or air hose being squeezed.
Contact your Nihon Kohden
representative.
If the message still appears after
remeasurement, remove the cause if the
cause is body movement, vibration or
squeezing of cuff or hose.
Check that the hose is not bent or
squeezed.
NIBP SAFETY CIRCUIT
RUNNING
(When this message is
displayed, measurement
cannot be performed for 40
seconds.)
Measurement stopped by the safety
circuit.
NIBP SYS OUT OF
RANGE
The maximum blood pressure cannot
be measured even when the cuff
Measure by palpation or auscultation.
inflation pressure exceeded 280 mmHg
when using adult cuff.
NIBP WEAK PULSE
NIBP ZEROING
72
Wait 40 seconds, then perform
remeasurement. If the message still
appears, contact your Nihon Kohden
representative.
The patient’s pulse wave is too small.
Measure by palpation or auscultation.
The cuff is wrapped too loosely.
Wrap the cuff properly.
The cuff size is not appropriate.
Use the appropriate cuff.
NIBP zero balance is being adjusted.
Do not touch the cuff during zeroing.
Wait for the message to disappear.
Operator’s Manual ZM-940PA/941PA
Troubleshooting
If the problem still remains after checking the following, contact your Nihon Kohden representative.
Transmitter
Problem
Nothing is displayed
on the LCD after
turning the power on.
Cause
Batteries are not installed
correctly. The battery polarity
is wrong.
Batteries are completely
discharged.
LCD is difficult to see LCD brightness is not
(too dark or too light). appropriate.
Nothing is displayed
on the monitor after
turning the transmitter
power on.
Signal receiving
condition is poor.
The channel of the transmitter
and monitor does not match.
The software version of the
multiple patient receiver is old.
Countermeasure
Install the batteries correctly.
Replace the batteries with new ones.
Change the LCD brightness on the
SYSTEM SETUP screen. Refer to the
“Changing System Setup Settings”
section.
Set the correct channel on the monitor.
Upgrade the multiple patient receiver
software to receive signal from the
transmitter. The software version must
be 01-09 or later.
Another transmitter of the same Turn the transmitter power off. If the
channel is used nearby.
monitor still receives a signal, there is a
high probability that another transmitter
of the same channel is used nearby.
Follow the instruction of your
channel administrator and use another
transmitter of a different channel.
Signals are mixing.
Follow the instructions of your
channel administrator and use another
transmitter of a different channel.
The transmitter is damaged.
Contact your Nihon Kohden
representative.
Operator’s Manual ZM-940PA/941PA
73
ECG/Respiration
Problem
The heart rate is
unstable.
The “CHECK
ELECTRODE”
message appears
on the receiving
monitor.
ECG baseline is
thick.
(Hum is
overlapping)
Respiration
waveform
measurement is
unstable.
Cause
Countermeasure
Pacing detection setting on the
monitor is not correct.
Turn off the pacing detection setting on the
monitor.
When monitoring a pacemaker patient,
turn on pacing detection.
Electrode lead is disconnected Firmly connect the electrode lead to the
from the electrode.
electrode.
Electrode lead discontinuity
Replace the electrode lead with a new one.
Electrode is not firmly attached Replace the electrode with a new one.
to the skin.
Polarization voltage is
Use Nihon Kohden specified electrodes.
abnormally high.
The gel on the electrode is dried Replace the electrode with a new one.
out.
The gel on the electrode is
coming off.
Electric blanket is used.
Cover the blanket with a shield cover.
Hum filter is set to OFF on the Set the filter to ON.
monitor
The gel on the electrode is dried Replace the electrode with a new one.
out.
The gel on the electrode is
coming off.
SpO2
Problem
SpO2 data is unstable
and not reliable.
74
Cause
The probe size is not
appropriate for the patient.
Probe attachment condition is
poor. Probe is partly detached
from the skin. External light
gets in.
Measurement site is dirty.
Patient is wearing nail polish.
Probe is attached to the same
limb that is used for NIBP
measurement.
Countermeasure
Use the appropriate probe for the
patient.
Firmly attach the probe according to
the procedure in the probe operator’s
manual.
Remove dirt and nail polish.
When the probe and cuff are attached
to the same limb, set “INHIBIT
SpO2 DURING NIBP” setting on the
PARAMETER SETUP screen to ON.
Attach the probe to the opposite limb.
Avoid a site where blood circulation
condition changes greatly.
Operator’s Manual ZM-940PA/941PA
NIBP
Problem
Cause
Cuff inflation pressure The cuff hose is not connected
is less than 10 mmHg. to the NIBP socket properly.
The cuff is not wrapped around
the arm or is wrapped too
loosely.
The cuff does not
The cuff hose is not connected
inflate when the NIBP to the NIBP socket.
START/STOP key is The cuff hose or extension hose
pressed.
may be folded or squeezed
when the cuff pressure display
on the screen increases quickly
but the actual cuff does not
inflate.
Abnormal
The cuff size is not correct.
measurement results
are displayed.
The cuff is not wrapped around
the arm correctly.
NIBP data is not correct
because of body movement.
Vibration on the cuff.
The cuff is suddenly
deflated during
inflation.
Auto mode
measurement does
not start even when
the time interval has
passed.
The cuff suddenly
inflates.
Cannot connect cuff to
the air hose.
The NIBP START/STOP key is
pressed during inflation.
The NIBP INTERVAL key is
pressed and the measurement
mode is changed.
Countermeasure
Connect the cuff hose to the socket
properly.
Wrap the cuff around the upper arm.
Connect the cuff hose to the socket
firmly.
Check the cuff hose and air hose.
Select the cuff which fits the patient’s
limb circumference.
Wrap the cuff around the upper arm, not
too tightly or too loosely.
Prevent the patient from moving during
measurement.
Check that nothing is touching the cuff
during measurement.
Change the measuring site.
—
Check the measurement mode and
interval.
The measurement mode is set to Check the time interval. If necessary,
auto mode.
stop measurement.
Unspecified cuff is used.
Use a cuff specified by Nihon Kohden.
Operator’s Manual ZM-940PA/941PA
75
Problem
Cause
Cannot measure NIBP. Vibration on the cuff.
Countermeasure
Check that nothing is touching the cuff
during measurement.
The cuff hose or extension hose Remove the cause.
is bent or squeezed.
The cuff has worn out.
Use a new cuff.
Blood congestion
Measuring over a long period of Increase the measuring interval.
occurs.
time at short intervals.
Do not measure NIBP over a long time.
Thrombus occurs.
Measuring on a patient with
Do not perform NIBP measurement on
known bleeding disorders or
such a patient.
coagulation.
NIBP data on the
The time set for “OLD NIBP
When NIBP is measured again, the data
screen is --- or dark.
DATA” on the PARAMETER
is displayed in normal brightness.
SETUP screen elapsed from the
last measurement.
Three loud pip sounds The cuff is not deflated enough Wait 30 seconds and measure again.
indicting NIBP
to start another measurement.
measurement cannot
be started.
76
Operator’s Manual ZM-940PA/941PA
Maintenance
To use the instrument in safe and optimum condition, perform maintenance check once every six
months.
CAUTION
Never disassemble or repair the transmitter. Disassembly and repair must be
performed by qualified service personnel.
A maintenance check sheet is provided at the end of this section. Make a copy of this check sheet
before performing maintenance check.
1. External Check
• There are no damaged or dirty parts on the outside of the transmitter.
• The battery case cover is not damaged, the spring is firmly fixed and the battery case cover can be
closed firmly.
• NIBP socket is not damaged.
• Keys are not damaged.
• Electrode leads are not damaged.
• There is no blood or chemicals on the transmitter.
2. Transmitter Channel
Check that the channel of the transmitter and the label match.
1.
Check that the channel number label attached to the transmitter is not torn or removed.
Channel label
2.
Remove one battery.
Operator’s Manual ZM-940PA/941PA
77
3.
While pressing the NIBP START/STOP and NIBP INTERVAL keys, install the battery. The
SETUP screen appears.
4.
Press the NIBP INTERVAL key to move the cursor to “SYSTEM SETUP”.
5. Press the NIBP START/STOP key to enter the
SYSTEM SETUP screen. The channel of this
transmitter is displayed.
Channel
78
6. Check that the channel displayed on the LCD
matches the label on the transmitter.
Operator’s Manual ZM-940PA/941PA
3. LCD Display
Check that there are no dots missing on the LCD.
1.
Remove one battery.
2.
While pressing the NIBP START/STOP and NIBP INTERVAL keys, install the battery. The
SETUP screen appears.
3.
Press the NIBP INTERVAL key twice to move the cursor to “MANUAL CHECK”.
4. Press the NIBP START/STOP key to enter the
MANUAL CHECK screen.
5. Check that the cursor is on “LCD TEST” and press
the NIBP START/STOP key.
Operator’s Manual ZM-940PA/941PA
79
6.
Every time the NIBP INTERVAL key is pressed, the screen changes as below. Check that there
are no dots missing.
When the NIBP START/STOP key is pressed, the screen returns to the MANUAL CHECK
screen.
4. Key Operation
NIBP START/STOP Key
1. Attach the NIBP cuff to your upper arm.
2.
Press the NIBP START/STOP key. Check that the cuff inflates and deflates properly.
3.
Press the NIBP START/STOP key again. During inflation, press the NIBP START/STOP key to
check that the cuff deflates properly.
NIBP INTERVAL Key
1. Press the NIBP INTERVAL key and check that the NIBP measuring mode can be changed.
2.
80
Select any interval and press the NIBP START/STOP key to perform auto measurement. Check
that the NIBP is measured at the selected interval.
Operator’s Manual ZM-940PA/941PA
5. NIBP Cuff for Attaching Transmitter to Patient Arm
The NIBP cuff is a consumable. Check the following and when necessary, replace it with a new one.
Appearance
• There are no dirty parts.
• There are no broken stitches on the cuff.
• The label on the cuff is readable.
• The velcro tape on the cuff is not removed and there are no broken stitches.
• The lock plate is not damaged and functions properly.
Inflation bag
• The inflation bag is not torn or damaged.
• There is no water inside the inflation bag.
• The connector on the inflation bag is not damaged.
Operator’s Manual ZM-940PA/941PA
81
Maintenance Check Sheet
Hospital/Organization:
Service Personnel:
Instrument Name: Transmitter
Instrument Model: ZM-940PA/ZM-941PA
Instrument Serial Number:
Hardware Revision Number:
Software Revision Number:
1. External Check
OK
No
2. Transmitter Channel
OK
No
3. LCD Display
OK
No
4. Key Operation
OK
No
5. NIBP Cuff for Attaching Transmitter to Patient Arm
OK
No
Overall Judgement
□ OK
□ Can be used but needs maintenance
□ Maintenance required. Cannot be used.
82
Operator’s Manual ZM-940PA/941PA
Repair Parts Availability Policy
Nihon Kohden Corporation (NKC) shall stock repair parts (parts necessary to maintain the
performance of the instrument) for a period of 8 years from the date of delivery. In that period NKC
or its authorized agents will repair the instrument. This period may be shorter than 8 years if the
board or part necessary for the faulty section is not available.
Operator’s Manual ZM-940PA/941PA
83
Lifetime and Disposal
Disposing of Used Batteries
Battery Lifetime
Replace the batteries when the battery replacement indication appears on the transmitter. When
using rechargeable batteries, recharge them.
ZM-940PA
Type
NiMH secondary
Alkaline primary
Lifetime (Measuring parameters)
ECG, SpO2, NIBP
ECG, SpO2
ECG only
2 days
2.5 days
3 days
1 day
2.5 days
3 days
ZM-941PA
Type
NiMH secondary
Alkaline primary
Lifetime (Measuring parameters)
ECG, SpO2, NIBP
ECG, SpO2
ECG only
1.5 days
2 days
2.5 days
1 day
2 days
2.5 days
The above data is when the following batteries and battery charger which are recommended by
Nihon Kohden are used. The measurement is performed at room temperature, NIBP is measured in
auto mode at 60 minute intervals and SpO2 is measured on an index finger of a male patient with
weight 60 kg. Operation time depends on the thickness of the SpO2 probe attachment site.
NiMH secondary: SANYO HR-3UF (W)
Battery charger: SANYO NC-M55
Alkaline primary: Nihon Kohden Medipower (equivalent to Panasonic LR6 (G))
Disposal
NOTE
Remove the batteries before disposing of the transmitter.
Before disposing of the batteries, check with your local solid waste officials for details in your area
for proper disposal. It may be illegal to dispose of these batteries in the municipal waste stream.
Disposing of Electrodes, SpO2 Probes and NIBP Cuffs
Refer to the manual of each item.
84
Operator’s Manual ZM-940PA/941PA
Cleaning, Disinfection and Sterilization
Transmitter and Electrode Leads
CAUTION
CAUTION
This transmitter is not waterproof. If
detergent or liquid spills into the
transmitter, stop cleaning or
disinfecting it and contact your Nihon
Kohden representative. The
transmitter needs to be checked for
safety and function before use.
Before cleaning or disinfection,
remove the batteries from the
transmitter. Failure to follow this
instruction may result in electrical
shock or transmitter malfunction.
CAUTION
CAUTION
Dispose of the transmitter, options
and accessories as specified by Nihon
Kohden. Otherwise, it causes infection
or environmental contamination.
The transmitter cannot be sterilized.
Sterilizing the transmitter may damage
it.
Before cleaning or disinfecting, remove the batteries from the transmitter. Be careful not to let any
liquid get inside the transmitter.
Cleaning
Wipe the transmitter and electrode leads with a soft cloth moistened with disinfecting alcohol or
neutral detergent diluted with water. After cleaning, dry them completely.
Disinfection
CAUTION
• Do not immerse the electrode lead connector in liquid.
• Do not disinfect with hypochlorous acid.
• Use the recommended concentration.
Wipe the outside surface of the transmitter and electrode lead with a non-abrasive cloth moistened
with any of the disinfectants listed below. Use the recommended concentration.
Operator’s Manual ZM-940PA/941PA
85
Disinfectant
Glutaraldehyde solution
Alkyldiaminoethylglycine hydrochloride
Benzalkonium chloride
Benzethonium chloride solution
Chlorhexidine gluconate solution
Concentration (%)
2.0
0.5
0.2
0.2
0.5
SpO2 Probe
Refer to the probe manual.
YP-943P/944P NIBP Cuffs
CAUTION
•
•
•
•
Do not autoclave.
Use only glutaraldehyde solution.
Never allow liquid to get inside the inflation bag.
Do not sterilize or disinfect the cuff with ultraviolet light or ozone.
Cleaning
To clean the cuff, remove the lock plate and carefully pull out the inflation bag from the cloth cover.
Cloth cover: Wash with neutral detergent and water. Thoroughly dry it. When washing in a washing
machine, put it in a net.
Inflation bag: Wipe with a soft cloth or cotton moistened with disinfecting alcohol. Thoroughly dry it.
Disinfection
To disinfect the cuff, use glutaraldehyde solution. Use the recommended concentration of the
disinfectant. Refer to the disinfectant manual for details. After disinfection, clean the cuff as
described above.
86
Operator’s Manual ZM-940PA/941PA
Specifications
ZM-940PA
Measuring Parameters
Measuring waveforms:
Measuring numeric data:
ECG, Respiration in impedance method, pulse
SpO2, NIBP, pulse rate
Transmitting Data
Waveform data:
Numeric data:
Status information:
ECG, respiration, pulse wave
SpO2 and NIBP
Battery replacement, channel ID, type of transmitter, check
electrodes, abnormal polarization voltage, pacing data,
SpO2 status, NIBP status
Displayed Data
SpO2, NIBP, pulse rate, pulse wave bar graph, check electrode, battery replacement, NIBP
measurement mode and status information
ECG Measurement
Channels:
Input range:
DC offset:
Input impedance:
Pacing pulse detection:
±5 mV or more
±500 mV or more
5 MΩ or more (5 Hz)
ANSI/AAMI EC13
Based upon Pacemaker pulse rejection Capability
ECG recovery time after defibrillation: within 10 s
Respiration Measurement
Measuring method:
Impedance range:
Impedance method
0 to 2 kΩ or less
SpO2 Measurement
Display range:
Measuring range:
Minimum display range:
Measuring accuracy
Depends on the receiving monitor
0 to 100%, in 1% steps
1%
When the measuring accuracy of the SpO2 probe is not considered:
±1 (80% ≤ SpO2 ≤ 100%)
±2 (50% ≤ SpO2 < 80%)
Less than 50% is not specified
Operator’s Manual ZM-940PA/941PA
87
When considering the measuring accuracy of the SpO2 probe:
±2 (80% ≤ SpO2 ≤ 100%)
±3 (70% ≤ SpO2 < 80%)
Less than 70% is not specified
NIBP Measurement
Displayed items:
Cuff pressure display range:
Measurement modes:
Measurement accuracy:
Systolic, diastolic, mean
0 to 300 mmHg
Manual, STAT, auto at 5, 10, 15, 30, 60, 120 or 240
minute interval
±3 mmHg (0 ≤ NIBP ≤ 200 mmHg)
±4 mmHg (200 < NIBP < 300 mmHg)
Meets or exceeds AAMI Sp-10. 1992 standard
(Maximum mean error: ±5 mmHg
Maximum standard deviation: 8 mmHg)
Pulse Rate
Measuring range:
30 to 200 beats/min ±8 beats/min (NIBP)
30 to 250 beats/min ±3% ±1 beat/min (SpO2)
Transmitter
FCC regulation:
Field strength limits:
Undesired emission:
Antenna:
Transmission channel:
Transmission frequency range:
Channel spacing:
Modulation:
Type of emission:
Occupied bandwidth:
Effective radiated power:
FCC part 95 Subpart H
Wireless Medical Telemetry Service (WMTS)
<200 mV/m (at 3 m)
below 960 MHz: 200 μV/m (at 3 m)
above 960 MHz: 500 μV/m (at 3 m)
Internal
Indicated on the transmitter
608.0250 to 613.9750 MHz
50 kHz or 37.5 kHz (12.5 kHz when interleaved)
Frequency shift keying
F1D
<20 kHz
1.0 mW
Power Requirements
Operating voltage:
Battery type:
88
3.2 to 4.8 V
Three AA (R6) type NiMH secondary batteries
Three AA (R6) type alkaline dry cell primary batteries
Operator’s Manual ZM-940PA/941PA
Battery lifetime:
Type
NiMH secondary
Alkaline primary
Lifetime (Measuring parameters)
ECG, SpO2, NIBP
ECG, SpO2
ECG only
2 days
2.5 days
3 days
1 day
2.5 days
3 days
The above data is when the following batteries and battery charger which are recommended
by Nihon Kohden are used. The measurement is performed at room temperature, NIBP is
measured in auto mode at 60 minute intervals and SpO2 is measured on an index finger of a
male patient with weight 60 kg. Operation time depends on the thickness of the SpO2 probe
attachment site.
NiMH secondary: SANYO HR-3UF (W)
Battery charger: SANYO NC-M55
Alkaline primary: Nihon Kohden Medipower (equivalent to Panasonic LR6 (G))
Dimension and Weight
Dimension:
Weight:
accessories)
114 W × 103 H × 58 D (mm)
280 g ±30 g (excluding batteries, NIBP cuff and other
Environment
Operating environment
Operating temperature:
Operating humidity:
Operating atmospheric pressure:
5 to 40°C, 41 to 104°F
When using NIBP cuff, 10 to 40°C, 50 to 104°F
30 to 85% (non-condensing)
70 to 106 kPa
Storage environment
Storage temperature:
Storage humidity:
Storage atmospheric pressure:
−20 to 65°C, −4 to 149°F
10 to 95%
70 to 106 kPa
Safety Standards
Safety standard:
Operator’s Manual ZM-940PA/941PA
CAN/CSA-C22.2 No. 601-1 M90: 1990
CAN/CSA-C22.2 No. 601-1. 1S1-94: 1994
CAN/CSA-C22.2 No. 601-1. 1B-90: R2002
CAN/CSA-C22.2 No. 60601-2-49-04: 2004
CAN/CSA-C22.2 No. 60601-2-27: 1998
CAN/CSA-C22.2 No. 60601-2-30: 2002
IEC 60601-1:1988
IEC 60601-1 Amendment 1: 1991
89
IEC 60601-1 Amendment 2: 1995
IEC 60601-1-2: 2001
IEC 60601-2-27: 1994
IEC 60601-2-30: 1999
IEC 60601-2-49: 2001
According to the type of protection
against electrical shock:
INTERNALLY POWERED EQUIPMENT
According to the degree of protection
against electrical shock:
ECG and impedance method respiration: DEFIBRILLATION-PROOF TYPE CF APPLIED
PART
SpO2 and NIBP:		
DEFIBRILLATION-PROOF TYPE BF APPLIED
PART
According to the degree of protection
against harmful ingress of water:
IPX0 (Ordinary equipment)
According to the degree of safety of
application in the presence of a
FLAMMABLE ANAESTHETIC
MIXTURE WITH AIR, OR WITH
OXYGEN OR NITROUS OXIDE:
Equipment not suitable for use in the presence of
FLAMMABLE ANAESTHETIC MIXTURE WITH
AIR, OR WITH OXYGEN OR NITROUS OXIDE
According to the mode of operation:
CONTINUOUS OPERATION
Electromagnetic Compatibility
IEC 60601-1-2: 2001
Electromagnetic Emissions
This Model ZM-940PA is intended for use in the electromagnetic environment specified below.
The customer or the user of the ZM-940PA should assure that it is used in such an environment.
Emissions test
RF emissions
CISPR 11
RF emissions
CISPR 11
Harmonic emissions
IEC 61000-3-2
Voltage fluctuations/
flicker emissions
IEC 61000-3-3
90
Compliance
Electromagnetic environment guidance
Group 1
The ZM-940PA uses RF energy only for its internal
function. Therefore, its RF emissions are very
low and are not likely to cause any interference in
nearby electronic equipment.
Class B
The ZM-940PA is suitable for use in all
establishments, including domestic establishments.
Not applicable
Not applicable
Operator’s Manual ZM-940PA/941PA
Electromagnetic Immunity
This Model ZM-940PA is intended for use in the electromagnetic environment specified below.
The customer or the user of the ZM-940PA should assure that it is used in such an environment.
Immunity test
Electrostatic
discharge (ESD)
IEC 61000-4-2
IEC 60601 test
level
±6 kV contact
±8 kV air
Compliance
level
±6 kV contact
±8 kV air
Electrical fast
transient/ burst
IEC 61000-4-4
Not applicable
±2 kV for power
supply lines
±1 kV for input/output
lines
Surge
Not applicable
±1 kV differential
IEC 61000-4-5
mode
±2 kV common mode
Voltage dips, short <5% UT (>95% dip in Not applicable
interruptions and UT) for 0.5 cycle
voltage variations
on power supply
40% UT (60% dip in
input lines
UT) for 5 cycles
IEC 61000-4-11
70% UT (30% dip in
UT) for 25 cycles
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
<5% UT (>95% dip in
UT) for 5 s
3 A/m
Electromagnetic
environment - guidance
Floors should be wood, concrete
or ceramic tile. If floors are
covered with synthetic material,
the relative humidity should be at
least 30%.
—
—
—
3 A/m
Power frequency magnetic fields
should be at levels characteristic
of a typical location in a
typical commercial or hospital
environment.
NOTE: UT is the AC mains voltage prior to application of the test level
Avoiding Electromagnetic Interference (Impedance Respiration)
Impedance respiration measurement is very sensitive and affected by electromagnetic interference.
Technological limitations do not allow immunity levels higher than 1 V/m for radiated RF
electromagnetic fields. Electromagnetic fields with field strengths above 1 V/m may cause
measurement error. Do not use electrically radiating equipment near the impedance respiration
measurements.
Operator’s Manual ZM-940PA/941PA
91
Immunity test
IEC 60601 test
level
Compliance
level
Electromagnetic environment
- guidance
Portable and mobile RF communications
equipment should be used no closer to any
part of the ZM-940PA, including cables,
than the recommended separation distance
calculated from the equation applicable to
the frequency of the transmitter.
Recommended separation distance
Conducted RF IEC
61000-4-6
3 Vrms
3 Vrms
Radiated RF
IEC 61000-4-3
3 V/m
3 V/m 80 MHz to
80 MHz to 2.5 GHz 2.5 GHz
(1 V/m 80 MHz
to 2.5 GHz for
respiration)
d = 1.2√P
d = 1.2√P  80 MHz to 800 MHz
d = 2.3√P  800 MHz to 2.5 GHz
(d = 3.5√P  80 MHz to 800 MHz for
respiration
d = 7.0√P  800 MHz to 2.5 GHz for
respiration)
where P is the maximum output power
rating of the transmitter in watts (W)
according to the transmitter manufacturer
and d is the recommended separation
distance in meters (m).
Field strengths from fixed RF transmitters,
as deter mined by an electromagnetic
site survey*1, should be less than the
compliance level in each frequency
range*2.
Interference may occur in the vicinity of
equipment marked with the following
symbol:
NOTE 1: At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorption and reflection from structures, objects and people.
*1 Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and
land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted
theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an
electromagnetic site survey should be considered. If the measured field strength in the location in which
the ZM-940PA is used exceeds the applicable RF compliance level above, the ZM-940PA should be
observed to verify normal operation. If abnormal performance is observed, additional measures may be
necessary, such as re-orienting or relocating the ZM-940PA.
*2 Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 1 V/m for respiration
and 3 V/m for all other functions.
92
Operator’s Manual ZM-940PA/941PA
Recommended Separation Distances between Portable and Mobile RF
Communications Equipment
The ZM-940PA is intended for use in an electromagnetic environment in which radiated RF
disturbances are controlled. The customer or the user of the ZM-940PA can help prevent
electromagnetic interference by maintaining a minimum distance between portable and mobile RF
communications equipment (transmitters) and the ZM-940PA as recommended below, according to
the maximum output power of the communications.
Separation distance according to frequency of transmitter (m)
Rated maximum output
power of transmitter
(W)
150 kHz to 80 MHz
d = 1.2√P
80 MHz to 800 MHz
d = 1.2√P
800 MHz to 2.5 GHz
d = 2.3√P
(For respiration:
d = 3.5√P)
(For respiration:
d = 7.0√P)
0.01
0.12
0.12 (0.35*)
0.23 (0.7*)
0.1
0.38
0.38 (1.1*)
0.73 (2.2*)
1.2
1.2 (3.5*)
2.3 (7.0*)
10
3.8
3.8 (11*)
7.3 (22*)
100
12
12 (35*)
23 (70*)
For transmitters rated at a maximum output power not listed above, the recommended separation
distance d in meters (m) can be estimated using the equation applicable to the frequency of the
transmitter, where P is the maximum output power rating of the transmitter in watts (W) according
to the transmitter manufacturer.
(* For respiration)
NOTE 1 At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected
by absorption and reflection from structures, objects and people.
Recovery Time after Defibrillation
The transmitter returns to the normal operating mode within 10 seconds after defibrillation. The
stored settings are not affected.
System Composition for EMC Test
The ZM-940PA bedside monitor is tested to comply with IEC 60601-1-2: 2001 with the following
composition.
Units
ZM-940PA transmitter
YP-943P NIBP cuff
BR-906P ECG electrode lead
TL-201T finger probe
Operator’s Manual ZM-940PA/941PA
Cable length
—
0.15 m
0.8 m
1.6 m
93
ZM-941PA
Measuring Parameters
Measuring waveforms:
Measuring numeric data:
ECG, Respiration in impedance method, pulse
SpO2, NIBP, pulse rate
Transmitting Data
Waveform data:
Numeric data:
Status information:
ECG, respiration, pulse wave
SpO2 and NIBP
Battery replacement, channel ID, type of transmitter, check
electrodes, abnormal polarization voltage, pacing data,
SpO2 status, NIBP status
Displayed Data
SpO2, NIBP, pulse rate, pulse wave bar graph, check electrode, battery replacement, NIBP
measurement mode and status information
ECG Measurement
Channels:
Input range:
DC offset:
Input impedance:
Pacing pulse detection:
±5 mV or more
±500 mV or more
5 MΩ or more (5 Hz)
ANSI/AAMI EC13
Based upon Pacemaker pulse rejection Capability
ECG recovery time after defibrillation: within 10 s
Respiration Measurement
Measuring method:
Impedance range:
Impedance method
0 to 2 kΩ or less
SpO2 Measurement
Display range:
Measuring range:
Minimum display range:
Measuring accuracy
94
Depends on the receiving monitor
0 to 100%, in 1% steps
1%
When the measuring accuracy of the SpO2 probe is not considered:
±1 (80% ≤ SpO2 ≤ 100%)
±2 (50% ≤ SpO2 < 80%)
Less than 50% is not specified
When considering the measuring accuracy of the SpO2 probe:
±2 (80% ≤ SpO2 ≤ 100%)
±3 (70% ≤ SpO2 < 80%)
Less than 70% is not specified
Operator’s Manual ZM-940PA/941PA
NIBP Measurement
Displayed items:
Cuff pressure display range:
Measurement modes:
Systolic, diastolic, mean
0 to 300 mmHg
Manual, STAT, auto at 5, 10, 15, 30, 60, 120 or 240
minute interval
±3 mmHg (0 ≤ NIBP ≤ 200 mmHg)
±4 mmHg (200 < NIBP < 300 mmHg)
Meets or exceeds AAMI Sp-10. 1992 standard
(Maximum mean error: ±5 mmHg
Maximum standard deviation: 8 mmHg)
Measurement accuracy:
Pulse Rate
Measuring range:
30 to 200 beats/min ±8 beats/min (NIBP)
30 to 250 beats/min ±3% ±1 beat/min (SpO2)
Transmitter
FCC regulation:
FCC part 95 Subpart H
Wireless Medical Telemetry Service (WMTS)
<740 mV/m (at 3 m)
below 960 MHz: 200 μV/m (at 3 m)
above 960 MHz: 500 μV/m (at 3 m)
Internal
Indicated on the transmitter
1395.0250 to 1399.9750 MHz
1427.0250 to 1431.9750 MHz
50 kHz or 37.5 kHz (12.5 kHz when interleaved)
Frequency shift keying
F1D
<20 kHz
5.0 mW (factory default setting)
Can be changed to 1.0 mW if required
Field strength limits:
Undesired emission:
Antenna:
Transmission channel:
Transmission frequency range:
Channel spacing:
Modulation:
Type of emission:
Occupied bandwidth:
Effective radiated power:
Power Requirements
Operating voltage:
Battery type:
3.2 to 4.8 V
Three AA (R6) type NiMH secondary batteries
Three AA (R6) type alkaline dry cell primary batteries
Battery lifetime:
Type
NiMH secondary
Alkaline primary
Lifetime (Measuring parameters)
ECG, SpO2, NIBP
ECG, SpO2
ECG only
1.5 days
2 days
2.5 days
1 day
2 days
2.5 days
Operator’s Manual ZM-940PA/941PA
95
The above data is when the following batteries and battery charger which are recommended by
Nihon Kohden are used. The measurement is performed at room temperature, NIBP is measured in
auto mode at 60 minute intervals and SpO2 is measured on an index finger of a male patient with
weight 60 kg. Operation time depends on the thickness of the SpO2 probe attachment site.
NiMH secondary: SANYO HR-3UF (W)
Battery charger: SANYO NC-M55
Alkaline primary: Nihon Kohden Medipower (equivalent to Panasonic LR6 (G))
Dimension and Weight
Dimension:
Weight:
114 W × 103 H × 58 D (mm)
280 g ±30 g (excluding batteries, NIBP cuff and other
accessories)
Environment
Operating environment
Operating temperature:
Operating humidity:
Operating atmospheric pressure:
Storage environment
Storage temperature:
Storage humidity:
Storage atmospheric pressure:
5 to 40°C, 41 to 104°F
When using NIBP cuff, 10 to 40°C, 50 to 104°F
30 to 85% (non-condensing)
70 to 106 kPa
−20 to 65°C, −4 to 149°F
10 to 95%
70 to 106 kPa
Safety Standards
Safety standard:
96
CAN/CSA-C22.2 No. 601-1 M90: 1990
CAN/CSA-C22.2 No. 601-1. 1S1-94: 1994
CAN/CSA-C22.2 No. 601-1. 1B-90: R2002
CAN/CSA-C22.2 No. 60601-2-49-04: 2004
CAN/CSA-C22.2 No. 601.2.27-98: 1998
CAN/CSA-C22.2 No. 60601-2-30-02: 2002
IEC 60601-1:1988
IEC 60601-1 Amendment 1: 1991
IEC 60601-1 Amendment 2: 1995
IEC 60601-1-2: 2001
IEC 60601-1-2 Amendment 1: 2004
IEC 60601-2-27: 2005
IEC 60601-2-30: 1999
IEC 60601-2-49: 2001
Operator’s Manual ZM-940PA/941PA
According to the type of protection
against electrical shock:
INTERNALLY POWERED EQUIPMENT
According to the degree of protection
against electrical shock:
ECG and impedance method respiration: DEFIBRILLATION-PROOF TYPE CF APPLIED
PART
SpO2 and NIBP:		
DEFIBRILLATION-PROOF TYPE BF APPLIED
PART
According to the degree of protection
against harmful ingress of water:
IPX0 (Ordinary equipment)
According to the degree of safety of
application in the presence of a
FLAMMABLE ANAESTHETIC
MIXTURE WITH AIR, OR WITH
OXYGEN OR NITROUS OXIDE:
Equipment not suitable for use in the presence of
FLAMMABLE ANAESTHETIC MIXTURE WITH
AIR, OR WITH OXYGEN OR NITROUS OXIDE
According to the mode of operation:
CONTINUOUS OPERATION
Electromagnetic Compatibility
IEC 60601-1-2: 2001
IEC 60601-1-2 Amendment 1: 2004
Electromagnetic Emissions
This Model ZM-941PA is intended for use in the electromagnetic environment specified below.
The customer or the user of the ZM-941PA should assure that it is used in such an environment.
Emissions test
RF emissions
CISPR 11
RF emissions
CISPR 11
Harmonic emissions
IEC 61000-3-2
Voltage fluctuations/
flicker emissions
IEC 61000-3-3
Compliance
Electromagnetic environment guidance
Group 1
The ZM-941PA uses RF energy only for its internal
function. Therefore, its RF emissions are very
low and are not likely to cause any interference in
nearby electronic equipment.
Class B
The ZM-941PA is suitable for use in all
establishments, including domestic establishments.
Not applicable
Not applicable
Operator’s Manual ZM-940PA/941PA
97
Electromagnetic Immunity
This Model ZM-941PA is intended for use in the electromagnetic environment specified below.
The customer or the user of the ZM-941PA should assure that it is used in such an environment.
Immunity test
Electrostatic
discharge (ESD)
IEC 61000-4-2
IEC 60601 test
level
±6 kV contact
±8 kV air
Compliance
level
±6 kV contact
±8 kV air
Electrical fast
transient/ burst
IEC 61000-4-4
Not applicable
±2 kV for power
supply lines
±1 kV for input/output
lines
Surge
Not applicable
±1 kV differential
IEC 61000-4-5
mode
±2 kV common mode
Voltage dips, short <5% UT (>95% dip in Not applicable
interruptions and UT) for 0.5 cycle
voltage variations
on power supply
40% UT (60% dip in
input lines
UT) for 5 cycles
IEC 61000-4-11
70% UT (30% dip in
UT) for 25 cycles
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
<5% UT (>95% dip in
UT) for 5 s
3 A/m
Electromagnetic
environment - guidance
Floors should be wood, concrete
or ceramic tile. If floors are
covered with synthetic material,
the relative humidity should be at
least 30%.
—
—
—
3 A/m
Power frequency magnetic fields
should be at levels characteristic
of a typical location in a
typical commercial or hospital
environment.
NOTE: UT is the AC mains voltage prior to application of the test level
Avoiding Electromagnetic Interference (Impedance Respiration)
Impedance respiration measurement is very sensitive and affected by electromagnetic interference.
Technological limitations do not allow immunity levels higher than 1 V/m for radiated RF
electromagnetic fields. Electromagnetic fields with field strengths above 1 V/m may cause
measurement error. Do not use electrically radiating equipment near the impedance respiration
measurements.
98
Operator’s Manual ZM-940PA/941PA
Immunity test
IEC 60601 test
level
Compliance
level
Electromagnetic environment
- guidance
Portable and mobile RF communications
equipment should be used no closer to any
part of the ZM-941PA, including cables,
than the recommended separation distance
calculated from the equation applicable to
the frequency of the transmitter.
Recommended separation distance
Conducted RF IEC
61000-4-6
3 Vrms
3 Vrms
Radiated RF
IEC 61000-4-3
3 V/m
3 V/m 80 MHz to
80 MHz to 2.5 GHz 2.5 GHz
(1 V/m 80 MHz
to 2.5 GHz for
respiration)
d = 1.2√P
d = 1.2√P  80 MHz to 800 MHz
d = 2.3√P  800 MHz to 2.5 GHz
(d = 3.5√P  80 MHz to 800 MHz for
respiration
d = 7.0√P  800 MHz to 2.5 GHz for
respiration)
where P is the maximum output power
rating of the transmitter in watts (W)
according to the transmitter manufacturer
and d is the recommended separation
distance in meters (m).
Field strengths from fixed RF transmitters,
as deter mined by an electromagnetic
site survey*1, should be less than the
compliance level in each frequency
range*2.
Interference may occur in the vicinity of
equipment marked with the following
symbol:
NOTE 1: At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorption and reflection from structures, objects and people.
*1 Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and
land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted
theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an
electromagnetic site survey should be considered. If the measured field strength in the location in which
the ZM-941PA is used exceeds the applicable RF compliance level above, the ZM-941PA should be
observed to verify normal operation. If abnormal performance is observed, additional measures may be
necessary, such as re-orienting or relocating the ZM-941PA.
*2 Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 1 V/m for respiration
and 3 V/m for all other functions.
Operator’s Manual ZM-940PA/941PA
99
Recommended Separation Distances between Portable and Mobile RF
Communications Equipment
The ZM-941PA is intended for use in an electromagnetic environment in which radiated RF
disturbances are controlled. The customer or the user of the ZM-941PA can help prevent
electromagnetic interference by maintaining a minimum distance between portable and mobile RF
communications equipment (transmitters) and the ZM-941PA as recommended below, according to
the maximum output power of the communications.
Separation distance according to frequency of transmitter (m)
Rated maximum output
power of transmitter
(W)
150 kHz to 80 MHz
d = 1.2√P
80 MHz to 800 MHz
d = 1.2√P
800 MHz to 2.5 GHz
d = 2.3√P
(For respiration:
d = 3.5√P)
(For respiration:
d = 7.0√P)
0.01
0.12
0.12 (0.35*)
0.23 (0.7*)
0.1
0.38
0.38 (1.1*)
0.73 (2.2*)
1.2
1.2 (3.5*)
2.3 (7.0*)
10
3.8
3.8 (11*)
7.3 (22*)
100
12
12 (35*)
23 (70*)
For transmitters rated at a maximum output power not listed above, the recommended separation
distance d in meters (m) can be estimated using the equation applicable to the frequency of the
transmitter, where P is the maximum output power rating of the transmitter in watts (W) according
to the transmitter manufacturer.
(* For respiration)
NOTE 1: At 80 MHz and 800 MHz, the separation distance for the higher frequency range
applies.
NOTE 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected
by absorption and reflection from structures, objects and people.
Recovery Time after Defibrillation
The transmitter returns to the normal operating mode within 10 seconds after defibrillation. The
stored settings are not affected.
System Composition for EMC Test
The ZM-941PA bedside monitor is tested to comply with IEC 60601-1-2: 2001 and IEC 60601-1-2
Amendment 1: 2004 with the following composition.
Units
ZM-941PA transmitter
YP-943P NIBP cuff
BR-906P ECG electrode lead
TL-201T finger probe
100
Cable length
—
0.15 m
0.8 m
1.6 m
Operator’s Manual ZM-940PA/941PA
Standard Accessories
No.
Name
1 NIBP cuff for adult, standard
2 Strap
Model
YP-943P
—
Q’ty
Supply Code No.
S938B
Y236
The following parts are available for replacement.
Lock plate is a standard
accessory of the YP943P/944P NIBP cuff.
No.
Name
3 Battery case cover
4 Lock plate
Model
—
—
Operator’s Manual ZM-940PA/941PA
Q’ty
Supply Code No.
6144-012004
6113-049585
101
Options
CAUTION
Only use Nihon Kohden specified electrodes, electrode leads, SpO2 probes, and
NIBP cuffs. Otherwise, the maximum performance from the transmitter cannot be
guaranteed.
Transmitter
Channel writer, QI-901PK
ECG/RESP
Name
Electrode
lead
102
Application
3 electrodes, clip type,
lead length 80 cm
3 electrodes, snap type,
lead length 80 cm
6 electrodes, clip type,
lead length 80 cm
6 electrodes, snap type,
lead length 80 cm
Model
Q’ty
Supply Code No.
BR-903PA
K911A
BR-913PA
K910B
BR-906PA
K912A
BR-916PA
K915A
Operator’s Manual ZM-940PA/941PA
NIBP
Width
(cm)
Name
Cuff for adult, for
attaching transmitter to
patient arm
Cuff for infant
Cuff for child
Cuff for adult
Standard
13
Large
15
Small
Standard
Standard
Large
Disposable cuff for infant
Disposable cuff for child
Disposable cuff for adult
Small
Standard
Medium
large
Large
Extra large
Extension hose
10
13
15
10
14
Air Hose
Length
(cm)
15
Model
YP-943P*
YP-944P*
Q’ty
Supply
Code No.
S938B
S938C
17
17
17
20
YP-960T
YP-961T
YP-962T
YP-963T
YP-964T
YP-810P
YP-811P
YP-812P
YP-813P
15
20
YP-814P
S946G
17
18
—
20
20
150
YP-815P
YP-816P
YN-990P
S946H
S946I
S903
15
20
S943A
S943B
S943C
S944B
S944C
S945C
S945D
S946E
S946F
* The lock plate is provided with these NIBP cuffs.
Operator’s Manual ZM-940PA/941PA
103
SpO2
Name
Finger probe (reusable)
Multi-site probe (reusable)
Finger probe (reusable)
SpO2 probe (for adult, disposable)
SpO2 probe (for child, disposable)
SpO2 probe (for neonate, disposable)
SpO2 probe (for adult, disposable)
SpO2 probe (for child, disposable)
SpO2 probe (for neonate/adult,
disposable)
SpO2 probe (for child/infant,
disposable)
SpO2 probe (for adult/neonate,
disposable)
SpO2 probe (for child/infant,
disposable)
COTTONY tape
Foam tape for TL-051S/052S/
061S/062S
Attachment tape for TL-220T/
251T/252T/253T/630T/631T
Probe fastener
104
Cable
length
0.6 m
1.6 m
1.6 m
0.6 m
1.6 m
0.6 m
1.6 m
1.6 m
0.8 m
1.6 m
0.8 m
1.6 m
0.8 m
1.6 m
0.8 m
1.6 m
0.8 m
1.6 m
0.8 m
1.6 m
—
Model/
Code No.
20
Supply
Code No.
P225H
P225F
P225G
P310A
P310C
P311A
P311C
P201A
P201B
P201C
P203A
P203E
P203B
P203F
P203C
P203G
P203D
P203H
P228A
P228B
P229A
P229B
P259
4 × 25 packages
P260
3 × 30 packages
P263
30
P267
Q’ty
TL-201T
TL-220T
TL-630T1
TL-630T3
TL-631T1
TL-631T3
TL-251T
TL-252T
TL-253T
TL-271T
TL-271T3
TL-272T
TL-272T3
TL-273T
TL-273T3
TL-274T
TL-274T3
TL-051S
TL-052S
TL-061S
TL-062S
340703
24
—
YS-093P2
Operator’s Manual ZM-940PA/941PA
Transmission Frequencies
Channel: 9002 to 9478
Transmission
Transmission
Transmission
frequency
Channel No.
frequency
Channel No.
frequency
Channel No.
(MHz)
(MHz)
(MHz)
608.0250
608.0375
608.0500
608.0625
608.0750
608.0875
608.1000
608.1125
608.1250
608.1375
608.1500
608.1625
608.1750
608.1875
608.2000
608.2125
608.2250
608.2375
608.2500
608.2625
608.2750
608.2875
608.3000
608.3125
608.3250
608.3375
608.3500
608.3625
608.3750
608.3875
608.4000
608.4125
608.4250
9002
9003
9004
9005
9006
9007
9008
9009
9010
9011
9012
9013
9014
9015
9016
9017
9018
9019
9020
9021
9022
9023
9024
9025
9026
9027
9028
9029
9030
9031
9032
9033
9034
Operator’s Manual ZM-940PA/941PA
608.4375
608.4500
608.4625
608.4750
608.4875
608.5000
608.5125
608.5250
608.5375
608.5500
608.5625
608.5750
608.5875
608.6000
608.6125
608.6250
608.6375
608.6500
608.6625
608.6750
608.6875
608.7000
608.7125
608.7250
608.7375
608.7500
608.7625
608.7750
608.7875
608.8000
608.8125
608.8250
608.8375
9035
9036
9037
9038
9039
9040
9041
9042
9043
9044
9045
9046
9047
9048
9049
9050
9051
9052
9053
9054
9055
9056
9057
9058
9059
9060
9061
9062
9063
9064
9065
9066
9067
608.8500
608.8625
608.8750
608.8875
608.9000
608.9125
608.9250
608.9375
608.9500
608.9625
608.9750
608.9875
609.0000
609.0125
609.0250
609.0375
609.0500
609.0625
609.0750
609.0875
609.1000
609.1125
609.1250
609.1375
609.1500
609.1625
609.1750
609.1875
609.2000
609.2125
609.2250
609.2375
609.2500
9068
9069
9070
9071
9072
9073
9074
9075
9076
9077
9078
9079
9080
9081
9082
9083
9084
9085
9086
9087
9088
9089
9090
9091
9092
9093
9094
9095
9096
9097
9098
9099
9100
105
Transmission
Transmission
Transmission
frequency
Channel No.
frequency
Channel No.
frequency
Channel No.
(MHz)
(MHz)
(MHz)
106
609.2625
609.2750
609.2875
609.3000
609.3125
609.3250
609.3375
609.3500
609.3625
609.3750
609.3875
609.4000
609.4125
609.4250
609.4375
609.4500
609.4625
609.4750
609.4875
609.5000
609.5125
609.5250
609.5375
609.5500
609.5625
609.5750
609.5875
609.6000
609.6125
609.6250
9101
9102
9103
9104
9105
9106
9107
9108
9109
9110
9111
9112
9113
9114
9115
9116
9117
9118
9119
9120
9121
9122
9123
9124
9125
9126
9127
9128
9129
9130
609.7125
609.7250
609.7375
609.7500
609.7625
609.7750
609.7875
609.8000
609.8125
609.8250
609.8375
609.8500
609.8625
609.8750
609.8875
609.9000
609.9125
609.9250
609.9375
609.9500
609.9625
609.9750
609.9875
610.0000
610.0125
610.0250
610.0375
610.0500
610.0625
610.0750
9137
9138
9139
9140
9141
9142
9143
9144
9145
9146
9147
9148
9149
9150
9151
9152
9153
9154
9155
9156
9157
9158
9159
9160
9161
9162
9163
9164
9165
9166
610.1625
610.1750
610.1875
610.2000
610.2125
610.2250
610.2375
610.2500
610.2625
610.2750
610.2875
610.3000
610.3125
610.3250
610.3375
610.3500
610.3625
610.3750
610.3875
610.4000
610.4125
610.4250
610.4375
610.4500
610.4625
610.4750
610.4875
610.5000
610.5125
610.5250
9173
9174
9175
9176
9177
9178
9179
9180
9181
9182
9183
9184
9185
9186
9187
9188
9189
9190
9191
9192
9193
9194
9195
9196
9197
9198
9199
9200
9201
9202
609.6375
9131
610.0875
9167
610.5375
9203
609.6500
9132
610.1000
9168
610.5500
9204
609.6625
9133
610.1125
9169
610.5625
9205
609.6750
9134
610.1250
9170
610.5750
9206
609.6875
9135
610.1375
9171
610.5875
9207
Operator’s Manual ZM-940PA/941PA
Transmission
Transmission
Transmission
frequency
Channel No.
frequency
Channel No.
frequency
Channel No.
(MHz)
(MHz)
(MHz)
609.7000
9136
610.1500
9172
610.6000
9208
610.6125
9209
611.0625
9245
611.5125
9281
610.6250
9210
611.0750
9246
611.5250
9282
610.6375
610.6500
610.6625
610.6750
610.6875
610.7000
610.7125
610.7250
610.7375
610.7500
610.7625
610.7750
610.7875
610.8000
610.8125
610.8250
610.8375
610.8500
610.8625
610.8750
610.8875
610.9000
610.9125
610.9250
610.9375
610.9500
610.9625
610.9750
610.9875
611.0000
611.0125
611.0250
611.0375
9211
9212
9213
9214
9215
9216
9217
9218
9219
9220
9221
9222
9223
9224
9225
9226
9227
9228
9229
9230
9231
9232
9233
9234
9235
9236
9237
9238
9239
9240
9241
9242
9243
611.0875
611.1000
611.1125
611.1250
611.1375
611.1500
611.1625
611.1750
611.1875
611.2000
611.2125
611.2250
611.2375
611.2500
611.2625
611.2750
611.2875
611.3000
611.3125
611.3250
611.3375
611.3500
611.3625
611.3750
611.3875
611.4000
611.4125
611.4250
611.4375
611.4500
611.4625
611.4750
611.4875
9247
9248
9249
9250
9251
9252
9253
9254
9255
9256
9257
9258
9259
9260
9261
9262
9263
9264
9265
9266
9267
9268
9269
9270
9271
9272
9273
9274
9275
9276
9277
9278
9279
611.5375
611.5500
611.5625
611.5750
611.5875
611.6000
611.6125
611.6250
611.6375
611.6500
611.6625
611.6750
611.6875
611.7000
611.7125
611.7250
611.7375
611.7500
611.7625
611.7750
611.7875
611.8000
611.8125
611.8250
611.8375
611.8500
611.8625
611.8750
611.8875
611.9000
611.9125
611.9250
611.9375
9283
9284
9285
9286
9287
9288
9289
9290
9291
9292
9293
9294
9295
9296
9297
9298
9299
9300
9301
9302
9303
9304
9305
9306
9307
9308
9309
9310
9311
9312
9313
9314
9315
Operator’s Manual ZM-940PA/941PA
107
Transmission
Transmission
Transmission
frequency
Channel No.
frequency
Channel No.
frequency
Channel No.
(MHz)
(MHz)
(MHz)
108
611.0500
9244
611.5000
9280
611.9500
9316
611.9625
611.9750
611.9875
612.0000
612.0125
612.0250
612.0375
612.0500
612.0625
612.0750
612.0875
612.1000
612.1125
612.1250
612.1375
612.1500
612.1625
612.1750
612.1875
612.2000
612.2125
612.2250
612.2375
612.2500
612.2625
612.2750
612.2875
612.3000
612.3125
612.3250
612.3375
612.3500
612.3625
612.3750
612.3875
9317
9318
9319
9320
9321
9322
9323
9324
9325
9326
9327
9328
9329
9330
9331
9332
9333
9334
9335
9336
9337
9338
9339
9340
9341
9342
9343
9344
9345
9346
9347
9348
9349
9350
9351
612.4125
612.4250
612.4375
612.4500
612.4625
612.4750
612.4875
612.5000
612.5125
612.5250
612.5375
612.5500
612.5625
612.5750
612.5875
612.6000
612.6125
612.6250
612.6375
612.6500
612.6625
612.6750
612.6875
612.7000
612.7125
612.7250
612.7375
612.7500
612.7625
612.7750
612.7875
612.8000
612.8125
612.8250
612.8375
9353
9354
9355
9356
9357
9358
9359
9360
9361
9362
9363
9364
9365
9366
9367
9368
9369
9370
9371
9372
9373
9374
9375
9376
9377
9378
9379
9380
9381
9382
9383
9384
9385
9386
9387
612.8625
612.8750
612.8875
612.9000
612.9125
612.9250
612.9375
612.9500
612.9625
612.9750
612.9875
613.0000
613.0125
613.0250
613.0375
613.0500
613.0625
613.0750
613.0875
613.1000
613.1125
613.1250
613.1375
613.1500
613.1625
613.1750
613.1875
613.2000
613.2125
613.2250
613.2375
613.2500
613.2625
613.2750
613.2875
9389
9390
9391
9392
9393
9394
9395
9396
9397
9398
9399
9400
9401
9402
9403
9404
9405
9406
9407
9408
9409
9410
9411
9412
9413
9414
9415
9416
9417
9418
9419
9420
9421
9422
9423
Operator’s Manual ZM-940PA/941PA
Transmission
Transmission
Transmission
frequency
Channel No.
frequency
Channel No.
frequency
Channel No.
(MHz)
(MHz)
(MHz)
612.4000
9352
612.8500
9388
613.3000
9424
613.3125
9425
613.5375
9443
613.7625
9461
613.3250
9426
613.5500
9444
613.7750
9462
613.3375
9427
613.5625
9445
613.7875
9463
613.3500
9428
613.5750
9446
613.8000
9464
613.3625
9429
613.5875
9447
613.8125
9465
613.3750
9430
613.6000
9448
613.8250
9466
613.3875
9431
613.6125
9449
613.8375
9467
613.4000
9432
613.6250
9450
613.8500
9468
613.4125
9433
613.6375
9451
613.8625
9469
613.4250
9434
613.6500
9452
613.8750
9470
613.4375
9435
613.6625
9453
613.8875
9471
613.4500
9436
613.6750
9454
613.9000
9472
613.4625
9437
613.6875
9455
613.9125
9473
613.4750
9438
613.7000
9456
613.9250
9474
613.4875
9439
613.7125
9457
613.9375
9475
613.5000
9440
613.7250
9458
613.9500
9476
613.5125
9441
613.7375
9459
613.9625
9477
613.5250
9442
613.7500
9460
613.9750
9478
Operator’s Manual ZM-940PA/941PA
109
Channel: E002 to E398
Transmission
frequency
(MHz)
1395.0250
1395.0375
1395.0500
1395.0625
1395.0750
1395.0875
1395.1000
1395.1125
1395.1250
1395.1375
1395.1500
1395.1625
1395.1750
1395.1875
1395.2000
1395.2125
1395.2250
1395.2375
1395.2500
1395.2625
1395.2750
1395.2875
1395.3000
1395.3125
1395.3250
1395.3375
1395.3500
1395.3625
1395.3750
1395.3875
1395.4000
1395.4125
1395.4250
1395.4375
1395.4500
110
Channel
No.
E002
E003
E004
E005
E006
E007
E008
E009
E010
E011
E012
E013
E014
E015
E016
E017
E018
E019
E020
E021
E022
E023
E024
E025
E026
E027
E028
E029
E030
E031
E032
E033
E034
E035
E036
Transmission
frequency
(MHz)
1395.4625
Channel
No.
E037
1395.4750
1395.4875
1395.5000
1395.5125
1395.5250
1395.5375
1395.5500
E038
E039
E040
E041
E042
E043
E044
1395.5625
1395.5750
1395.5875
1395.6000
1395.6125
1395.6250
1395.6375
1395.6500
1395.6625
1395.6750
1395.6875
1395.7000
1395.7125
1395.7250
1395.7375
1395.7500
1395.7625
1395.7750
1395.7875
1395.8000
1395.8125
1395.8250
1395.8375
1395.8500
1395.8625
1395.8750
1395.8875
E045
E046
E047
E048
E049
E050
E051
E052
E053
E054
E055
E056
E057
E058
E059
E060
E061
E062
E063
E064
E065
E066
E067
E068
E069
E070
E071
Transmission
frequency
(MHz)
Channel
No.
1395.9000
1395.9125
1395.9250
1395.9375
1395.9500
1395.9625
1395.9750
1395.9875
1396.0000
1396.0125
1396.0250
1396.0375
1396.0500
1396.0625
1396.0750
1396.0875
1396.1000
1396.1125
1396.1250
1396.1375
1396.1500
1396.1625
1396.1750
1396.1875
1396.2000
1396.2125
1396.2250
1396.2375
1396.2500
1396.2625
1396.2750
1396.2875
1396.3000
1396.3125
1396.3250
E072
E073
E074
E075
E076
E077
E078
E079
E080
E081
E082
E083
E084
E085
E086
E087
E088
E089
E090
E091
E092
E093
E094
E095
E096
E097
E098
E099
E100
E101
E102
E103
E104
E105
E106
Operator’s Manual ZM-940PA/941PA
Transmission
frequency
(MHz)
1396.3375
1396.3500
1396.3625
1396.3750
1396.3875
1396.4000
1396.4125
1396.4250
1396.4375
1396.4500
1396.4625
1396.4750
1396.4875
1396.5000
1396.5125
1396.5250
1396.5375
1396.5500
1396.5625
1396.5750
1396.5875
1396.6000
1396.6125
1396.6250
1396.6375
1396.6500
1396.6625
1396.6750
1396.6875
1396.7000
1396.7125
1396.7250
1396.7375
1396.7500
1396.7625
1396.7750
E107
E108
Transmission
frequency
(MHz)
1396.7875
1396.8000
E109
E110
E111
E112
E113
E114
E115
E116
E117
E118
E119
E120
E121
E122
E123
E124
E125
E126
E127
E128
E129
E130
E131
E132
E133
E134
E135
E136
E137
E138
E139
E140
E141
E142
1396.8125
1396.8250
1396.8375
1396.8500
1396.8625
1396.8750
1396.8875
1396.9000
1396.9125
1396.9250
1396.9375
1396.9500
1396.9625
1396.9750
1396.9875
1397.0000
1397.0125
1397.0250
1397.0375
1397.0500
1397.0625
1397.0750
1397.0875
1397.1000
1397.1125
1397.1250
1397.1375
1397.1500
1397.1625
1397.1750
1397.1875
1397.2000
1397.2125
1397.2250
Channel
No.
Operator’s Manual ZM-940PA/941PA
Channel
No.
E143
E144
E145
E146
E147
E148
E149
E150
E151
E152
E153
E154
E155
E156
E157
E158
E159
E160
E161
E162
E163
E164
E165
E166
E167
E168
E169
E170
E171
E172
E173
E174
E175
E176
E177
E178
Transmission
frequency
(MHz)
1397.2375
1397.2500
Channel
No.
E179
E180
1397.2625
1397.2750
1397.2875
1397.3000
1397.3125
1397.3250
1397.3375
1397.3500
1397.3625
1397.3750
1397.3875
1397.4000
1397.4125
1397.4250
1397.4375
1397.4500
1397.4625
1397.4750
1397.4875
1397.5000
1397.5125
1397.5250
1397.5375
1397.5500
1397.5625
1397.5750
1397.5875
1397.6000
E181
E182
E183
E184
E185
E186
E187
E188
E189
E190
E191
E192
E193
E194
E195
E196
E197
E198
E199
E200
E201
E202
E203
E204
E205
E206
E207
E208
1397.6125
1397.6250
1397.6375
1397.6500
1397.6625
1397.6750
E209
E210
E211
E212
E213
E214
111
Transmission
frequency
(MHz)
Channel
No.
Transmission
frequency
(MHz)
Channel
No.
1397.6875
1397.7000
1397.7125
1397.7250
1397.7375
1397.7500
1397.7625
1397.7750
1397.7875
1397.8000
1397.8125
1397.8250
1397.8375
1397.8500
1397.8625
1397.8750
1397.8875
1397.9000
1397.9125
1397.9250
1397.9375
1397.9500
1397.9625
1397.9750
1397.9875
1398.0000
1398.0125
1398.0250
1398.0375
1398.0500
1398.0625
1398.0750
1398.0875
E215
E216
E217
E218
E219
E220
E221
E222
E223
E224
E225
E226
E227
E228
E229
E230
E231
E232
E233
E234
E235
E236
E237
E238
E239
E240
E241
E242
E243
E244
E245
E246
E247
1398.1375
1398.1500
1398.1625
1398.1750
1398.1875
1398.2000
1398.2125
1398.2250
1398.2375
1398.2500
1398.2625
1398.2750
1398.2875
1398.3000
1398.3125
1398.3250
1398.3375
1398.3500
1398.3625
1398.3750
1398.3875
1398.4000
1398.4125
1398.4250
1398.4375
1398.4500
1398.4625
1398.4750
1398.4875
1398.5000
1398.5125
1398.5250
1398.5375
E251
E252
E253
E254
E255
E256
E257
E258
E259
E260
E261
E262
E263
E264
E265
E266
E267
E268
E269
E270
E271
E272
E273
E274
E275
E276
E277
E278
E279
E280
E281
E282
E283
1398.1000
1398.1125
1398.1250
E248
E249
E250
1398.5500
1398.5625
1398.5750
E284
E285
E286
112
Transmission
frequency
(MHz)
Channel
No.
1398.5875
1398.6000
1398.6125
1398.6250
1398.6375
1398.6500
1398.6625
1398.6750
1398.6875
1398.7000
1398.7125
1398.7250
1398.7375
1398.7500
1398.7625
1398.7750
1398.7875
1398.8000
1398.8125
1398.8250
1398.8375
1398.8500
1398.8625
1398.8750
1398.8875
1398.9000
1398.9125
1398.9250
1398.9375
1398.9500
1398.9625
1398.9750
1398.9875
1399.0000
1399.0125
1399.0250
E287
E288
E289
E290
E291
E292
E293
E294
E295
E296
E297
E298
E299
E300
E301
E302
E303
E304
E305
E306
E307
E308
E309
E310
E311
E312
E313
E314
E315
E316
E317
E318
E319
E320
E321
E322
Operator’s Manual ZM-940PA/941PA
Transmission
frequency
(MHz)
1399.0375
1399.0500
1399.0625
1399.0750
1399.0875
1399.1000
1399.1125
1399.1250
1399.1375
1399.1500
1399.1625
1399.1750
1399.1875
1399.2000
1399.2125
1399.2250
1399.2375
1399.2500
1399.2625
1399.2750
1399.2875
1399.3000
1399.3125
1399.3250
1399.3375
1399.3500
1399.3625
1399.3750
1399.3875
1399.4000
1399.4125
1399.4250
1399.4375
1399.4500
E323
E324
Transmission
frequency
(MHz)
1399.4625
1399.4750
E325
E326
E327
E328
E329
E330
E331
E332
E333
E334
E335
E336
E337
E338
E339
E340
E341
E342
E343
E344
E345
E346
E347
E348
E349
E350
E351
E352
E353
E354
E355
E356
1399.4875
1399.5000
1399.5125
1399.5250
1399.5375
1399.5500
1399.5625
1399.5750
1399.5875
1399.6000
1399.6125
1399.6250
1399.6375
1399.6500
1399.6625
1399.6750
1399.6875
1399.7000
1399.7125
1399.7250
1399.7375
1399.7500
1399.7625
1399.7750
1399.7875
1399.8000
1399.8125
1399.8250
1399.8375
1399.8500
1399.8625
1399.8750
Channel
No.
Operator’s Manual ZM-940PA/941PA
Channel
No.
E357
E358
E359
E360
E361
E362
E363
E364
E365
E366
E367
E368
E369
E370
E371
E372
E373
E374
E375
E376
E377
E378
E379
E380
E381
E382
E383
E384
E385
E386
E387
E388
E389
E390
Transmission
frequency
(MHz)
1399.8875
1399.9000
1399.9125
1399.9250
1399.9375
1399.9500
1399.9625
1399.9750
Channel
No.
E391
E392
E393
E394
E395
E396
E397
E398
113
Channel: E502 to E898
Transmission
frequency
(MHz)
1427.0250
1427.0375
1427.0500
1427.0625
1427.0750
1427.0875
1427.1000
1427.1125
1427.1250
1427.1375
1427.1500
1427.1625
1427.1750
1427.1875
1427.2000
1427.2125
1427.2250
1427.2375
1427.2500
1427.2625
1427.2750
1427.2875
1427.3000
1427.3125
1427.3250
1427.3375
1427.3500
1427.3625
1427.3750
1427.3875
1427.4000
1427.4125
1427.4250
1427.4375
114
E502
E503
E504
E505
E506
E507
E508
E509
E510
E511
E512
E513
E514
E515
E516
E517
E518
E519
E520
E521
E522
E523
E524
E525
E526
E527
E528
E529
E530
E531
E532
E533
E534
Transmission
frequency
(MHz)
1427.4500
1427.4625
1427.4750
1427.4875
1427.5000
1427.5125
1427.5250
1427.5375
1427.5500
1427.5625
1427.5750
1427.5875
1427.6000
1427.6125
1427.6250
1427.6375
1427.6500
1427.6625
1427.6750
1427.6875
1427.7000
1427.7125
1427.7250
1427.7375
1427.7500
1427.7625
1427.7750
1427.7875
1427.8000
1427.8125
1427.8250
1427.8375
1427.8500
E535
1427.8625
Channel
No.
E536
E537
E538
E539
E540
E541
E542
E543
E544
E545
E546
E547
E548
E549
E550
E551
E552
E553
E554
E555
E556
E557
E558
E559
E560
E561
E562
E563
E564
E565
E566
E567
E568
Transmission
frequency
(MHz)
1427.8750
1427.8875
1427.9000
1427.9125
1427.9250
1427.9375
1427.9500
1427.9625
1427.9750
1427.9875
1428.0000
1428.0125
1428.0250
1428.0375
1428.0500
1428.0625
1428.0750
1428.0875
1428.1000
1428.1125
1428.1250
1428.1375
1428.1500
1428.1625
1428.1750
1428.1875
1428.2000
1428.2125
1428.2250
1428.2375
1428.2500
1428.2625
1428.2750
E569
1428.2875
Channel
No.
Channel
No.
E570
E571
E572
E573
E574
E575
E576
E577
E578
E579
E580
E581
E582
E583
E584
E585
E586
E587
E588
E589
E590
E591
E592
E593
E594
E595
E596
E597
E598
E599
E600
E601
E602
E603
Operator’s Manual ZM-940PA/941PA
Transmission
frequency
(MHz)
1428.3000
1428.3125
1428.3250
1428.3375
1428.3500
1428.3625
1428.3750
1428.3875
1428.4000
1428.4125
1428.4250
1428.4375
1428.4500
1428.4625
1428.4750
1428.4875
1428.5000
1428.5125
1428.5250
1428.5375
1428.5500
1428.5625
1428.5750
1428.5875
1428.6000
1428.6125
1428.6250
1428.6375
1428.6500
1428.6625
1428.6750
1428.6875
1428.7000
1428.7125
1428.7250
1428.7375
E604
Transmission
frequency
(MHz)
1428.7500
E605
E606
E607
E608
E609
E610
E611
E612
E613
E614
E615
E616
E617
E618
E619
E620
E621
E622
E623
E624
E625
E626
E627
E628
E629
E630
E631
E632
E633
E634
E635
E636
E637
E638
E639
1428.7625
1428.7750
1428.7875
1428.8000
1428.8125
1428.8250
1428.8375
1428.8500
1428.8625
1428.8750
1428.8875
1428.9000
1428.9125
1428.9250
1428.9375
1428.9500
1428.9625
1428.9750
1428.9875
1429.0000
1429.0125
1429.0250
1429.0375
1429.0500
1429.0625
1429.0750
1429.0875
1429.1000
1429.1125
1429.1250
1429.1375
1429.1500
1429.1625
1429.1750
1429.1875
Channel
No.
Operator’s Manual ZM-940PA/941PA
E640
Transmission
frequency
(MHz)
1429.2000
E641
E642
E643
E644
E645
E646
E647
E648
E649
E650
E651
E652
E653
E654
E655
E656
E657
E658
E659
E660
E661
E662
E663
E664
E665
E666
E667
E668
E669
E670
E671
E672
E673
E674
E675
1429.2125
1429.2250
1429.2375
1429.2500
1429.2625
1429.2750
1429.2875
1429.3000
1429.3125
1429.3250
1429.3375
1429.3500
1429.3625
1429.3750
1429.3875
1429.4000
1429.4125
1429.4250
1429.4375
1429.4500
1429.4625
1429.4750
1429.4875
1429.5000
1429.5125
1429.5250
1429.5375
1429.5500
1429.5625
1429.5750
1429.5875
1429.6000
1429.6125
1429.6250
1429.6375
Channel
No.
Channel
No.
E676
E677
E678
E679
E680
E681
E682
E683
E684
E685
E686
E687
E688
E689
E690
E691
E692
E693
E694
E695
E696
E697
E698
E699
E700
E701
E702
E703
E704
E705
E706
E707
E708
E709
E710
E711
115
Transmission
frequency
(MHz)
1429.6500
1429.6625
1429.6750
1429.6875
1429.7000
1429.7125
1429.7250
1429.7375
1429.7500
1429.7625
1429.7750
1429.7875
1429.8000
1429.8125
1429.8250
1429.8375
1429.8500
1429.8625
1429.8750
1429.8875
1429.9000
1429.9125
1429.9250
1429.9375
1429.9500
1429.9625
1429.9750
1429.9875
1430.0000
1430.0125
1430.0250
1430.0375
1430.0500
1430.0625
1430.0750
1430.0875
116
E712
E713
Transmission
frequency
(MHz)
1430.1000
1430.1125
E714
E715
E716
E717
E718
E719
E720
E721
E722
E723
E724
E725
E726
E727
E728
E729
E730
E731
E732
E733
E734
E735
E736
E737
E738
E739
E740
E741
E742
E743
E744
E745
E746
E747
1430.1250
1430.1375
1430.1500
1430.1625
1430.1750
1430.1875
1430.2000
1430.2125
1430.2250
1430.2375
1430.2500
1430.2625
1430.2750
1430.2875
1430.3000
1430.3125
1430.3250
1430.3375
1430.3500
1430.3625
1430.3750
1430.3875
1430.4000
1430.4125
1430.4250
1430.4375
1430.4500
1430.4625
1430.4750
1430.4875
1430.5000
1430.5125
1430.5250
1430.5375
Channel
No.
E748
E749
Transmission
frequency
(MHz)
1430.5500
1430.5625
E750
E751
E752
E753
E754
E755
E756
E757
E758
E759
E760
E761
E762
E763
E764
E765
E766
E767
E768
E769
E770
E771
E772
E773
E774
E775
E776
E777
E778
E779
E780
E781
E782
E783
1430.5750
1430.5875
1430.6000
1430.6125
1430.6250
1430.6375
1430.6500
1430.6625
1430.6750
1430.6875
1430.7000
1430.7125
1430.7250
1430.7375
1430.7500
1430.7625
1430.7750
1430.7875
1430.8000
1430.8125
1430.8250
1430.8375
1430.8500
1430.8625
1430.8750
1430.8875
1430.9000
1430.9125
1430.9250
1430.9375
1430.9500
1430.9625
1430.9750
1430.9875
Channel
No.
Channel
No.
E784
E785
E786
E787
E788
E789
E790
E791
E792
E793
E794
E795
E796
E797
E798
E799
E800
E801
E802
E803
E804
E805
E806
E807
E808
E809
E810
E811
E812
E813
E814
E815
E816
E817
E818
E819
Operator’s Manual ZM-940PA/941PA
Transmission
frequency
(MHz)
1431.0000
1431.0125
1431.0250
1431.0375
1431.0500
1431.0625
1431.0750
1431.0875
1431.1000
1431.1125
1431.1250
1431.1375
1431.1500
1431.1625
1431.1750
1431.1875
1431.2000
1431.2125
1431.2250
1431.2375
1431.2500
1431.2625
1431.2750
1431.2875
1431.3000
1431.3125
1431.3250
1431.3375
1431.3500
1431.3625
1431.3750
1431.3875
1431.4000
1431.4125
1431.4250
E820
E821
Transmission
frequency
(MHz)
1431.4375
1431.4500
E822
E823
E824
E825
E826
E827
E828
E829
E830
E831
E832
E833
E834
E835
E836
E837
E838
E839
E840
E841
E842
E843
E844
E845
E846
E847
E848
E849
E850
E851
E852
E853
E854
1431.4625
1431.4750
1431.4875
1431.5000
1431.5125
1431.5250
1431.5375
1431.5500
1431.5625
1431.5750
1431.5875
1431.6000
1431.6125
1431.6250
1431.6375
1431.6500
1431.6625
1431.6750
1431.6875
1431.7000
1431.7125
1431.7250
1431.7375
1431.7500
1431.7625
1431.7750
1431.7875
1431.8000
1431.8125
1431.8250
1431.8375
1431.8500
1431.8625
Channel
No.
Operator’s Manual ZM-940PA/941PA
Channel
No.
E855
E856
E857
E858
E859
E860
E861
E862
E863
E864
E865
E866
E867
E868
E869
E870
E871
E872
E873
E874
E875
E876
E877
E878
E879
E880
E881
E882
E883
E884
E885
E886
E887
E888
E889
Transmission
frequency
(MHz)
1431.8750
1431.8875
1431.9000
1431.9125
1431.9250
1431.9375
1431.9500
1431.9625
1431.9750
Channel
No.
E890
E891
E892
E893
E894
E895
E896
E897
E898
117

---

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