Senstar MPS4100 Security System Transmitter User Manual Original PPI submission Users Manual

Senstar Corporation Security System Transmitter Original PPI submission Users Manual

Original PPI submission Users Manual

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Document ID589147
Application ID02Ouj9hp3Y9o/i35fuxi4Q==
Document DescriptionOriginal PPI submission Users Manual
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Date Submitted2005-10-06 00:00:00
Date Available2005-10-11 00:00:00
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Document TitleOriginal PPI submission Users Manual
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1130 Terra Bella Ave.
Mountain Wew, CA 94043
Telephone (415) 966-8550
Fax (415) 966-8517
June 1996
FORTH BELOW. PPi warrants, to the original purchaser only, the products
delivered hereunder substantially conform to applicable specifications and are
free from defects in material or workmanship. This warranty expires one year
from the date of delivery. PPi‘s entire liability and Buyers exclusive remedy
shall be. at PPi's option. either (a) to repair or replace :he product, or (b) to grant
a credit at the prices invoiced at the time of shipment. TO MAKE A WARRANTY
This warranty will only apply to products which are. after examination,
determined to PPi's satisfaction to be detective. PPi does not warrant (i) any
product that has been repaired or altered. except by PPi. (ii) defects caused by
tailure to provide a suitabie installation environment for the product. (iii) damage
caused by use of the product for purposes other than those for which it was
designed. (iv) damage caused by disasters such as lire, Ilocd. wind, and
lightning, (v) damage caused by unauthorized attachments or modifications, (vi)
damage during shipment. or (VII) any other abuse or misuse by the purchaser
(including physical or electrical). PPi also does not warrant any product)
components. or parts not manutacrured by PPi. Any products which are
manufactured by others and furnished by PPi under this order carry the
warranty ot the original manufacturer. These products are designated by (‘) on
the order acknowledgment.
'.1 c.” Luau?
Model MPS-aioo Microwave Protection System is designed for exterior perimeter
intrusion detection applications. The mes-4100 detects movement within a microwave
field between the Transmitter and Receiver. ar‘d nitiates an Alarm to alert responding
The MPS—4100 bi-stat:c micmwave system consists of one Model MIPS-4100
Transmitter and one Model MPS-4100 Receiver. The Transmitter is powered by a '
Gallium Arsenide FieldAEttects Transistor (GaAS FET] that radiates amplitude
modulated X-band energy at 10.525 GHz which travels to the Receiver. The received
energy is amplified and processed. Thus. a microwave energy field is established
cerween the Transmitter and Receiver. When an intruder enters the microwave field.
the received energy is changed. and an Alarm occurs. Operation of Model MIPS-4100
is illustrated in Figure 1_
Figure 1. Operation of MPS-4100
The following describes the features of the MPS-etoo:
n am
The pattern of the microwave field is established by a Linear Array antenna element
heused within the Transmitter and Receiver. The maximum coverage range is 800
feet. The pattern width is adjustable to meet a variety ol application requirements.
r n I
Six selectable operating frequencies allow multiple sets of MPS-MOO to be used in
either stacked or linear configuration.
The received Audio signal is amplified by an automatic gain control (AGC)
preamplifier enabling the preamplifier output to be held to a constant level. regardless
of Transmitter-Receiver distance (distance must be within maximum distance oi Figure-
2). The Preamplifier output is applied to a phase- -locked loop (PLL) detector which
operates as a narrow bandpass filter at one of the modulation frequencies. The
Receive trequency is selected to match the modulation frequency of the Transmitter,
while rejecting spurious signals and other Transmitters.
The FLL detector output is a voltage level which is held constant under nomal
conditions by the slow-acting AGC loop. Rapidly changing signal strength caused by
a target moving into the microwave beam is not affected by the AGC loop and causes
an AC signal to appear at the PLL detector outputs The signal is amplified. filtered and
compared with upper and lower Alarm threshold voltages. Whenever a signal exceeds
either threshold voltage. an Alarm is generated. The gain of the signal amplifier may
be adjusted with a ‘Sensitivlty' potentiometer on the circuit board. The Signal
bandwidth. affecting the Model MPS~4100 response to fast moving targets. may be set
to "Fast" or ‘SIow" with a PCB jumper.
Alarm Outpgt
Two Alarm output formats are available to signal an Alarm or Tamper condition.
Standard or Multiplex. The output type is selected via switches on the Receiver.
The Standard format provides a Form C relay output for Alarm or Tamper. Alarm output
relays are energized on power-up and drop into Alarm condition upon loss of DC
power. The Alarm relay hold-in time is adjustable from .5 to 30 seconds. Tamper
output is available on both the Receiver and Transmitter.
The Multiplex format uses our unique CEnDe data communications protocol to
communicate to the MX-f 000 Command and Control Center over a 2 wire data bus. A
transponder card plugs into a socket on the Receiver circuit board
— I_.-r ea.- t—u n—l .—
' me
Accurate alignment of the Transmitter and Receiver to establish the strongest signal is
accomplished with the help of a series of LED's on the Receiver circuit board that
indicate when optimum alignment has been achieved. A 600 ohm impedance Audio
jack and voltage output are also available for headset or voltmeter verification of
The MPS-ADOO Receiver has a built-in output that can be used to evaluate signal
variations in the detection path. Alone is generated to correspond with obiects
moving within the protected area and varies in trequency and amplitude. During
quiescent operation. a low, steady tone is generated, but a louder, higher pitch tone
will occur as an intruder moves within the protected area.
The audio is very useful in locating false alarms generated by moving objects within
the detection path (i.e.. bushes, weeds, etc. ).
The model MPS-dioo Transmitter consists of two major subassemblies: The Antenna
Assembly and Transmitter Circuit Board.
The Anntena Assembly is a llat plane. or Linear Array antenna with a GaAs FET
Oscillator that generates the X band microwave energy mounted on the rear side. The
Antenna directs the microwave energy toward the Receiver. The Antenna Assembly
attaches to the Transmitter Circuit Board assembly by means of stand-off screws so
that the two iorm one removable assembly.
The Transmitter Circuit Board contains the modulator circuit to drive the oscillator. One
of six modulation frequencies can be selected via a 6 position dip switch Iocated.on
this board.
The Transmitter contains a Tamper switch with form C output that signals when the
outer cover on the rear of the housing has been removedThe switch is a 2 position
plunger with a pull-out position tor servicing the unit.
An optional method tor Tamper detection has been incorporated into the Transmitter
that requires no Tamper circuit wires. With this option selected. the powerto the
Transmitter is interrupted whenever the enclosure cover is removed. This shuts off the
transmission at microwave energy. resulting in an Alarm signal at the Receiver.
The model MPS-Al 00 Receiver consists of two major subassemblies: The Antenna
Assembly and the Receiver Circuit Board. The Antenna Assembly is a llat plane or
Linear Array antenna, with a Schottkey Diode Detector mounted to the rear side. The
antenna captures the microwave energy from the Transmitter. The Schottkey Diode
Detector converts the modulated X band energy into an Audio lrequenq' signal for
processing by the Receiver Circuit Board. The Antenna Assembly attaches to the
Receiver Circuit Board by means of stand—off screws so that the two form one
removable assembly.
The Receiver Circuit Board contains the processing circuitry that generates an Alarm
when sufficient changes in the microwave signal are detected. The modulation
frequency is set to match that of the Transmitter via two sets of jumpers. The gain of the
signal amplifier may be adjusted with a “Sensitivity“ potentiometer on the Receiver ,
Circuit Board. This adjustment also determines the width of the pattern by effectively
ignoring weaker changes in the microwave signal that fall below the sensitivity
threshold. The higher the sensitivity setting. the lower the signal change required to
generate an Alarm, the further out from the center or the field the change can be
detected. The signal bandwidth. affecting the response to last moving targets. may by
set to “Fast" or "Slow“ via a jumper on the Receiver Circuit Board. The Alarm output
time can be adjusted from .5 to 30 seconds via a potentiometer.
The Receiver Circuit Board contains three indicator LED's tor Alarm, Wrong Channel,
and Jam. The alarm LED indicates an Alarm condition“. The Wrong Channel LED
indicates that the modulation frequency of the Receiver does not match that of the
Transmitter. The Jam LED indicates that the Receiver is picking up two microwave
signals of the same modulation frequency, indicating cross interference between two
microwave units. A Jam condition may be programmed to trigger an Alarm output via a
switch on the Receiver.
The Receiver Circuit Board contains a slot to plug in a multiplex communications
transponder to communicate with the MX-‘looo Command and Control Center via a 2
wire data bus. The Receiver also contains a built-in preamp that leads Audio signal to
the MX-1000 for Audio assessment 0! activity within the microwave field,
Several operating parameters are selectable via jumpers and switches on the
Receiver Circuit Board.
A series of LED's on the Receiver Circuit Board indicate the alignment level. A voltage
output is also available for voltmeter verification. as well as an Audio output to a
headphone jack.
Typical maximum width protection pattern of Model MPs-4100 is 50 feet fora
mounting height of 2.5 feet. (.76M] above smooth earth. Maximum width occurs when
Transmitter-Receiver distance is maximum and Receiver “sensitivity" is set to
maximum. The pattern width varies depending on the distance covered. the mounting
height. and the sensitivity setting, Actual patterns will vary depending on the site
topography and surface conditions. Generally. lower mounting heights or a rougher
surface will increase pattern width.
The vertical protection pattern will also depend on the protection distance, mounting
height, and the sensitivity setting. The pattern height above the centerline will be
approximately one half of the pattern width. The protection pattern below centerline
will tend to fill the area between beam centenine and the ground, except for a “dead
zone' immediately in front of the Transmitter and Receiver, which will be described -
next. '
The antenna creates a microwave energy pattern at an approximate 13 degree angle.
This means that the pattern development is not immediate, resulting in a “dead zone”
in front of the Transmitter and Receiver. in which it Is possible to crawl under the
pattern undetected See Figure 2A, Forthis reason it is necessary to overiap or‘olfset"
Transmitters and Receivers to cover this dead zone. Figures 28 and C show the
amount of offset at corners and midpoints required to ensure complete pattern
development based on the mounting height and the sensitivity setting. Protection
against prone “commando“ style crawl may require additional offset and/or special site
Figure 2A. Side Front View - Dead Zone
Figure 23. Top View - Corner Overlap
MP 4 a.”
Figure 2C. Top View - Intermediate Overlap
Installation should begin with a survey of the area to be covered to ensure that it meets
the following site requirements:
A. Required area
1. The length of each zone must be established first.
2. The width of the zone wiil be determined by the amount or open space to the left and
the right of the Transmitter and Receiver heads. Generally, there should be a ciear
open space that exceeds one half the pattern width on each side.
3. The area to be protected should be free of trees. shrubs. busnes, obstacles such as
utility boxes, structures. and water puddles. See figure 3.
Figure 3. Required Clearance Area
B. Te'rain
1. The terrain shout: be flat, with less than 6 inches devzation in elevation betWeen the
Transmitter and Receiver.
2. Any ditches or low spots greater than 6 inches must be tilted in to prevent blind
spots that would ail0w crossing under the microwave pattern undetected.
Si Objects buried in the ground should be buried fiat. with no protruding edges that can
reflect or biock the microwave signal.
4, The ideal ground cover shoufd be river rock or gravel. with a unit diameter of less
than 2.25 inches.
5. Asphalt paved. cemented. dirt. or clay/dirt surfaces are also acceptable. providing
that water is not allowed to accumulate or run across the area under rainy conditions.
The movement of water can cause changes in the microwave signal which may be
interpreted as an intruder moving through the pattern.
6. If the surface is grass. it must be kept cut to a maximum ol three inches in heigh'.
7. Never instai the MIPS-4130 we open water or where standing puddles will form.
8, Avoid elevations. unless the terrair is groomed flat with adequate drainage so
water cannot ficw downhill,
Figure 4. Terrain
C. Microwave Signal Considerations
ft Microwave signals can pass through co.. mon construczion. hatenals such as glass
plaster and c‘rywazl, Microwave signals will ref ectc r or solid obiec is ano me: alic
2. Microwave signals will pass through standard chain link fences if the beam axis is at
right angles to :he fence. The more the fence deviates from being at right angles to the
beam the less signal penetraflon. and the more reflection.
at Microwave signazs that detect a moving or "flexing" fence, or other Jarge metallic
objects, can generate false Alarms. The large size of a metallic obiect can cause a
small amount of motion to appear as a large moving cbiect.
4. When planning to install microwave detectors outside. rememberthat microwave
sicnals can penetrate exterior walls detecting the motion of individuals inside of a
bwldi ng as well as water flowing throuch room and plumbing drains thereby
generating false Alarms
5. Additional sources of potent: al false Alarms are: moving machinery parts. as well as
the vibrations caused by machinery, large vehicles such as trucks. buses and aircraft
E ~zec ricaf and radio equipment such as transformers, fluorescent or 'high mast"
lighting, radio and cellular Transmit: are and repeaters that generate Radio Frequency
Interference and Eleczro Magnetic interference and electrical conditzcns such as
lightning .arge voltage fluctuations or loss of power.
Dr Locaeing Equipment
14 Choose the location of Transmitters and Receivers that will provide optimum
detection, and be free from false Alarms.
2. Always locate Model MPS-4100 within a ‘enced in or controlled access area to
prevent unwanted Atarms from random toot traffic. vehicles. or large animals.
3‘ Locate units a minarnurn of 6 to 10 feet away frcrn any fence or wall zo eliminate the
pessioliity ofiumoing over the detection pat-tern. See Figure 5.
Figure 5. Optimum Security
4 Unizs shoulc be lccared wnere they will as protected from academia! damage as
weil as Tampering. l‘ units mus: be instafled near raadways or weere they will be
vulnerable is vehicle traffic, installing devices such as bumper posts can provide
adcyticnal protecticnSGe Figure 6.
Figure 6. Physical Protection
5. Always place we Transmitters or Receivers at corners and intermediate points oi
linear zones requimg two or were micrcwaves. This eliminates the possibility of a
ransmiiter overpowering a Receiver located in zhe same corner. which could inieders
with the proper operation of the: microwave pairi Refer to l—‘zgure 7A
6. For maximum security, offset Transmitters and Receivers at intersecting points to
prevert ceac spcts. A 15 foot (4.6Ml offset is recommenced a: corners and a 30 foot
ofise: at intermediate points where 2 sets of microwaves are nstelied in a linear
ccniigurancn. Adcitonei-y, the urfiis should be :ns:alied 18-20 aches of off center at
intermediate paints»
nuns-iv?“ atuivu
aficgwifl é
. 1 ‘
, i
, Q1,
.=. “fl
amen/en YRMSJIPEN '-
Figure 7. Perimeter Layout
E, Mounting
The following assumes that all posts have been installed. conduit run with junction
boxes to each post. and wire pulled through the conduit into eacn junction box.
Mounting pcszs should be 4 inch OD pipe fixed in a concrete looting. with enough post
above ground to allow 8 inches of vertical adjustment ‘rcm the initial mounting height.
and a minimum i313 feet (1 meter} below ground. For colder climates the (19911 should
be at least 6 inches below the lrcst line.
Wire size for power shculd be sufficient to minimize voltage drop between the power
supoly and the units. Reler to the chart in figure 9 for recommended wire sige‘based on
the load requirements and the length of each wire run.
For data loop wire installation. use the recommended interconnect wiring listed an the
MX installation manual. The cable should be 3 pair. individually shielded, twisted. with
gvgrail tgil ang Qrfiggfi shield in a high density polyethylene (HOPE) outer jacketing.
NOTE: Wire must be rated for outdoor direct burial use in wet conditions.
1. Mount Transmitter and Receiver to a 4 men OD pipe using the pole mount
2. ttach 3M irch flex conduit between the junction box at the base of the post and the
ccncuit connector on the rear ccver of the microwave unit.
Fly.» 3 mPS~4‘C: Fce Max:
Figure 9.
Voltage Drop vs. Wire Gauge
being installed theStanoard methodandthewwplex method
The Standard methodprovioes relay outputslorAlarmandTemper. Therelayomputs
can be taken to an Alarm control input.
The Multiplex method connects the MPS-4100 directly into the woman multiplex data
loop. in this format, a second MPS-4100 Transmitter and Receiver cen be wired into
the 'host‘ Receiver. the Receiver chosen for direct connection to the data loop. Power
feeds item the ‘host' Receiver to the “slave“ Receiver and Transmitter. while Alarm end
Tamper signals are led into the ‘host" Receiver. This configuration allows two ecu oi
MIPS-4100's to share one transponder communication card. mooring as 2 zones. _
Standard method wiring:
1. Remove the cover oi the Transmitter to access the wiring terminals.
2. Connect power wires to Tat-1M & 2(-). Observe polarity. Power may come lrom
a power supply. or from the Receivervia T8249) 5 2(-).
3. ConnecTemper-iestoTBlGEtNOorNCJMMfiesi-BmSt. For
4. Tamper cum may be wired to the control system. or to the Trenern‘lter Tamper
input on the Reca'ver. terminals TBZ-s & 4 (Nc. 3K Ohm input only).
1. I! Audio output to external amplifier is used. connect Audio wires to TB1-1(+) & 2(-).
2. Connect power wires to T81-3(+) & 4(-)4 Observe polarity.
3. Connect Tamper wires to TB1-7 a. 8. Select NO or NO via jumper JP3. Optional 3k
EOLFl in line with the NC output is selectable via jumper JP4.
4. Connect Alarm wires to TBl-9 & 10. Select NO or NO via jumper JPS, Optional 3k
EOLFI in line with the NC output is selectable via jumper JP&
5. Connect Transmitter output power wires to TBZ-t (+) & 2(-).
6. Connect Transmitter NC Tamper input wires to TB2-3 8. 4. This input requires a 3k ‘
ohm EOLR Turn St switch 3 to ON at the Transmitter.
Wiring to MX-l 000 data loop.
1. Connect power wires to TBt-1(+) & 2(-). Observe polarity. Power may be
supplied from a power supply. or from the Receiver auxiliary power terminals on TB2.
2. Connect Tamper wires to Tat-3 & 4. Select NC via St switch 2. Select 3k ohm
EOLR via switch 3. The Tamper circuit connects to TBZ on the Receiver.
The Receiver has 3 terminal boards. T81. T82. and TBS that will be used when wiring
to the MX multiplex data communications loop. One Receiver must be selected as the ‘
‘host‘ for up to two sets of MRS-4100. A second MPS-4100 unit wires into the host
Receiver as a “slave". allowing 2 sets to share one multiplex communications
transponder thereby maximizing the capability of the MX control data loop. The host
Receiver will be wired slightly different than the slave Receiver. The slave Transmitter
wires into the slave Receiveriust as the host Transmitter does to the host Receiver.
Reler to above instructions for wiring the slave Transmitter. '
Host Receiver:
1. Connect the Audio pair from the 3 pair shielded data communications cable to T81-
1(+) & 2(-). See note below regarding shield terminations.
2. Connect the power wires to TBl-3(+) 8. 4(-J. Observe Polarity.
3. Wire the data loop pair from the 3 pair cable to the data input terminals TBl -5(+) &
B(-). See note below regarding shield terminations.
4. Power for the slave MPS-d‘loo and host Transmitter may be wired into T82-1 a 2.
5. Connect the Tamper wires from the host Transmitterto TB2-3 & 4 (NC. 3k input
6. Plug the communications transponder into the pin connector. Be sure the address
has been set.
Note: There are no terminals for the individualpair shields, or the overal shield. l
one data cable is wired into the microwave enclosure lie end of data looop). all shields
should be clipped and taped off. If there is an incoming and outgoing. data cable.
carefully splice each individual incoming and outgoing shield and tape olf. The overall
shield must be spliced and taped as well. DO NOT ALLOW THE lNDlVlDUAL
The “slave" Receiver inputs ior Alarm, Tamper, Sell-Test and Audio all wire to TBS on
the host Receiver as lollows:
7. Connect the Audio pair to TBa-1(+) & 2 (-).
8. Connect the Self-Test high (+) output to Tee-3.
Qt Connect the Tamper input to Tea-4.
10. Connect the Alarm input to TBa-S.
11. Connect the common for Self-test, Tamper and Alarm to TBS-6.
Slave-Receiver Connections:
All connections irom the slave Receiver to the host can be made via a 3 pair cable as
1. Apply power to TBi-3(+) & 4(-). Observe polarity.
2. Wire Self-Test to TBl-5(+) & 6(-)"
3. Connect Tamper wires to TBl -7 a. Sf Select NC. 3K ohm EOLH output via JP3 & 4r
4. Connect Alarm wires to Tat-9 8. 10.‘ Select NC. 3k ohm EOLR output via JPS & 6.
5. Connect Audio output to the slave output terminals T83-1(+) & 2(~)r Do not use
the T81 Audio termlnals for a slave Receiver.
'Seli-Test, Tamper. and Alarm Return are commoned together on one-wire.
‘————- um
0 nzvcc
0 pm
0 mm mm:
0 mm mm
0 AUG com
Figure 10. MP5 Mulliplex Masten‘Slave Connections
G. Setting switches to configure the MPS~4100
The Transmitter contains two 6-position dipswitches, Si and $3. The Receiver
contains two e-position dipswitches, St and 52. After wiring is completed, configure
the MPS-4100 by setting the appropriate dipswitches as follows:
St 1 - ON enables Modulation Frequency 1. OFF disables
‘ 2 - ON enables Modulation Frequency 2. OFF disables.
3 - ON enables Modulation Frequency 3. OFF disables.
4 - ON enables Modulation Frequency 4. OFF disables.
5 - ON enables Modulation Frequency 5. OFF disables.
6 ~ ON enables Modulation Frequency 6. OFF disables.
$3 1 - ON selects NO Tamper output. OFF disables output.
2- ON selects NC Tamper output. OFF disables output.
3- ON adds 3k Ohm EOLR in- line with NO output. OFF shunts EOLR
4- ON enables relay output on Tamper. OFF disables relay output.
5 - ON enables Auto Shut—OH power interrupt on Tamper. OFF disables.
6 ~ ON enables Auto Shut~0tf power interrupt on Tamper. OFF disables.
St 1 - ON connects MPS-dtoo to MX data loop. OFF lor Standard operation.
2 - ON enables Sell-Test in Standard mode. OFF disables.
3 - ON connects MFG-4100 to MX data loop. OFF lor Standard operation.
4 - ON enables Sell-Test in Standard mode. OFF disables.
5 - ON connects Tamper to MX data loop. OFF for Standard output.
6 - ON connects Tamper to MX data loop. OFF for Standard output.
32 1 - ON enables Audio. OFF disables. .
2 - ON enables Audio output via slave terminals. OFF lor normal output via TBl.
3 - ON enables Alarm output on Jam condition. OFF no Alarm on Jam.
4 ON supplies pewerto all internal LED 5. OFF shuts oft powerto LED’s.
5 ON supplies power to Alarm relay. OFF disables Alarm relay
6- Not Used.
JP1 R41 JP2 R40 Enables Modulation Frequency 1
R43 R42 Enables Modulation Frequency 2
H45 R44 Enables Modulation Frequency 3
R47 FMS Enables Modulation Frequency 4
R49 Flde Enables Modulation Frequency 5
R51 nso Enables Modulation Frequency 6
Once wiring has been completed and checked for correct terminations. power can be
applied and the alignment calibrated. Alignment can be calibrated by observing the
Alignment LED‘s LDZ - LDH on the Receiver. Circuit Board. An optional DC reading
can be obtained by connecting the leads of a voltmeterto TP_(+) and TP_Ground.
A Power Up
1. Turn on power to MPS-4100 at power supply.
2. Check the Power LED on Transmitter.
a. If it is not illuminated. disconnect power and re-check wiring.
3. Check The LED’s on the receiver. .
a. If no LED's are illuminated, disconnect power and re-check wiring.
b. It the Alarm LED is illuminated. the Transmitter and Receiver need to be aligned.
c. If the Wrong Channel LED is illuminated. check for correct modulation frequency
match with Transmitter. Change the to match Transmitter if required.
(1. if the JAM LED is illuminated, check for possible interference with another MPS~
4100 of the same modulation frequency. Change the modulation frequency if
B Alignment
Alignment is easier. faster. and more accurate it done with 2 persons. one at the
Transmitter and the Receiver.
1. Adjust the vertical and horizontal positioning ot the Receiver enclosure pivoting the
unit up and down. and side to side. . Observe the Alignment LED's L02 - LD11. The
green LED‘s LD4 ~LDli indicate the acceptable alignment level. The higher the LED
number. the betterthe alignment. When the highest alignment level has been
obtained. secure the Receiver in place.
2. Adjust the vertical and horizontal positioning of the Transmitter to see if the
alignment can be improved. it is necessary for the person monitoring the LED's at the
Receiver to be the “eyes' for the person at the Transmitter, and keep them informed of
any improvement or deterioration of the present level as real-time as possible. This
may be done via 2-way radios. or hand signals. When finished. secure in place.
3. Make final adiustments at the Receiver to see if the signal can be improved further
after the Transmitter has been adjusted. Secure in place.
4. Alignment is complete.
If the adjustment of both the Transmitter and Receiver does not improve the alignment.
and the present level is either in the Red. Yellow or lower Green LED‘s. it may be
necessary to move the Receiver, Transmitter, or both. up or down on their mounting
pole. Begin at either end. and repeat steps 1-3. Continue with the opposite and until
sufficient improvement is made.
Note: Proper alignment is critical to the reliable operation at the MPS-4100. A poorly
aligned MPS-4100 can create nuisance alarms. This can reduce the cantidence level.
and thereby the effectiveness of the system.
C Final Testing and Adiustment.
t. Verity that all indicator LED's are off, and that the Alarm relay is in non-alarm state." .
2. Move hands or body in front of the Receiver to test for proper detection. Look tor the
Alarm LED to illuminate. and listen for the relay to activate. Verify receipt of Alarm at
Control Center.
3. Walk along the outside edge of the pattern to determine the pattern width.
Remember that pattern width is a function oi the Sensitivity control. The higher the
sensitivity, the wider the detection pattern will be. Conversely, the lower the sensitivity,
the narrower the detection pattern.
4. To increase sensitivity, turn the Sensitivity Pot clockwise. To decrease. tum counter-
5. Walk into the microwave field at various points to check for proper detection.
5. Consult the project specifications for additional detection tests and pertorm as
required. .
NOTE: This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions.
may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment 0" and on. the user is encouraged to
try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
0 Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected
- Consult the dealer or an experienced radieITV technician for help,
CAUTION: Any changes or modifications not expressly approved by the grantee of
this device could void the user's authority to operate the equipment.

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