Electronics Tomorrow 707090401 Battery Operated RF Clock Transmitter User Manual

Electronics Tomorrow Ltd. Battery Operated RF Clock Transmitter

User manual

Download: Electronics Tomorrow 707090401 Battery Operated RF Clock Transmitter User Manual
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Document ID155021
Application IDt3Tx3GJsoeeuGgupiAA7hw==
Document DescriptionUser manual
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeUser Manual
Display FormatAdobe Acrobat PDF - pdf
Filesize24.03kB (300340 bits)
Date Submitted2001-06-15 00:00:00
Date Available2001-06-14 00:00:00
Creation Date2001-05-28 18:26:07
Producing SoftwareAcrobat 4.0 Scan Plug-in for Windows
Document Lastmod2001-05-28 18:50:35
Document TitleUser manual
Document CreatorAcrobat 4.0 Scan Plug-in for Windows

INSTRUCTIONMANUAL
Locations Of Control
Main Unit
LCD
amour" mm
B MIN/DATE mm
H WWW my.
fl mime ser
CALENDAR m
I REGYNC um
fl REsEr mu
m ctr-man
|| may Dew
|| K-ymh sot
Remote Unit
n LCD
C/F
Reset
Battery Door
E Wall Mount
Holder
Feature
IN temperature and REMOTE temperature
Centigrade or Fahrenheit readout
Hour and minute display
12 or 24 hour format
Calendar with day of week display From January 1, 2000 to December 31, 2030
Battery life : approximate 1 year ( with alkaline battery)
Operating temperature from 0C to 40C (32F to 104F)
Temperature measuring range from -50C to 70C (~58F to 138F)
Temperature resolution 0.1C
Before You Begin
To ensure proper functioning of the RF Thermo Clock, please follow this set up
procedure.
0 Insert batteries for main unit ( Refer to instructions for battery installation ).
0 Place the main unit as close as possible next to the remote unit and insert batteries
for the remote unit.
0 Position the remote unit and main unit within effective transmission range,
which , in usual circumstances is 20 to 30 meters.
Note that the effective range is affected by the building materials and where the main
and remote unit are positioned. Try various setup for best result
Batteries Installation
Batteries installation of main unit
. Open the battery cover of the main unit.
0 Insert 4 pcs of AA size batteries in proper polarity (+) and (-) as indicated.
0 Close the battery cover
Batteries installation of remote unit
0 Slide open the battery compartment door.
0 Insert 2 pcs of AA size batteries in proper polarity (+) and (-) as indicated.
0 Close the battery door.
Notes: Do not use old batteries or different batteries together.
Getting Started
Once batteries are placed in the main unit, it will start receive signal for 10 minutes,
also once batteries are placed in the remote unit, it will start to transmit information t
3 minutes intervals. Upon successful reception, the remote unit temperature will be
displayed on the Remote temperature field. The main unit will automatically update
the remote reading at 3 minutes intervals.
If no signals are received within the 10 minutes intervals, blank “— - “ will be
displayed.
Check IN / REMOTE Temperature
The in door temperature is displayed on the IN temperature field and the remote
temperature will be displayed on the REMOTE temperature field.
If no reading are received for five consecutive times, blank “- -“ will be displayed on
REMOTE field. In this case, pressing of RE_SYNC button will force the main unit to
receive signals for 10 minutes (Refer to Lose Sync. )
Clock Set
At the back of the RF Thermo Clock, slide the switch to TIME SET and the time will
keep flashing on the display. Then press HR or MIN button to set your desired time
and slide the switch to the LOCK position to complete the time set.
Calendar Set
At the back of the RF Then-no Clock, slide the switch to CALENDAR and the date
will keep flashing on the display. Then press the MONTH, DATE and YEAR button
to set your desired calendar setting and slide the switch to the LOCK position to
complete the calendar set
12HR/24HR International Time Display Set
Press the 12HR/24HR button to choose the desired display format. “AM” and “PM”
will be displayed only in 12HR format.
Centigrade ( C ) or Fahrenheit ( F) set
Slide the C/F switch to choose the Centigrade or Fahrenheit readout.
Note that the remote temperature display on the main unit is dominated by the
selection on the C/F slide switch of the main unit. Whatever the display unit of the
remote unit is, it will be automatically converted to the chosen one of the main unit.
Receiver stage indicator
The stage indicator indicate the following stage of the received signal
The unit is in receiving mode ‘Q’ d
t A p A
Transmission data are securely received "279
Transmission date are not securely
received or no signals A
Lose Sync.
If without obvious reasons the display goes blank, press RE-SYNC to force the
receiver to start receive signal. If it still fails, check:
0 The remote unit is still in place.
0 The batteries of both remote unit and main unit, replace as necessary.
0 The transmission is within range and path is clear of obstacles and interference.
Shorten the distance when necessary.
Interference
Signals from other household devices, such as entry controls, door bells and home
security systems, may interfere the RF Thermc Clock to cause temporarily reception
failure. This is normal and does not aflect the general performance of the product. The
transmission and reception of temperature reading will resume once the interference
stopped
Wall Mounting or Using the Stand
The main unit has a built in stand which can flipped open, it can support the main unit
on a flat surface Or you can close the flip and mount the unit on wall. Drive the screw
into the wall until the head extends about 1/8 inch from the wall, then locate the
keyhole slot over the screw head and slide the RF Thermo Clock down to make it
secure.
The remote unit comes with a wall mount holder which can hold the unit on wall, or
just place it on a flat surface.
Reset the RF Thermo Clock
Press the RESET button when the RF Thermo Clock does not operate normally
Note: Once resetting the RF Thermo Clock, the main unit will start to receive for 10
minutes (Refer to Getting Started )4
Take care of your RF Thermo Clock
0 Avoid exposing your RF Thermo Clock to extreme temperatures, water or severe
shock.
0 Do not put your RF Thermo Clock in conditions of excessive force, shock, dust,
extreme temperature or humidity. Any of these conditions may shorten the lifi of
the clock.
0 Do not tamper with any of the internal component of the RF Thermo Clock. This
will invalidate the warranty under the above condition.
0 Use only fresh batteries. Mixing old and new batteries may cause battery leakage.
Specification
General :
"RF transmission frequency 433.92MHz
RF transmission range up to 30meters
Main Unit :
Display temperature range -50.0C to 70.0C
(-58.0F to 158.0F)
Proposed operating range 0.0C to 40.0C
(32.0F to 104.0F)
Temperature resolution 0A 1 C
Power 4 pcs UM~3 or “AA" 1.5 V alkaline battery
Weight
Dimension
Remote Unit :
Display temperature range —50.0C to 70.00
(-58.0Ft0158‘0F)
Proposed operating range —20.0C to 60.0C
(.4.or to 140017)
23—MRY‘2221 111131 TDMDRRDM INT‘L HOLDINGS 852 233- 3273 FhBl/Gl
7h > it». a __,, ZZLQJL 1mm ”5“ mw (ff/l.
Temperature resolution 1 0.10
Power : Zpes UM—3 or “AA” 115V alkaline battery
Weight -
Dimension
Warning: Changes or modifications to this unit not expressly approved by the party
responsible for compliance could void the user‘s authority to operate the equipment.
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
interfierence 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 oritelevision
reception, which can be determined by turning the equipment off-and ou, the useris .
encouraged to try to correct the interference by one of more of the following. 1
measures:
0 Rem-lent or relocate the receiving antenna.
0 Increase the separation between the equipment and receiver. ~ t “= ,. w
0 Connect the equipment into an outlet on a circuit difierent from thatito which the
receiver is connected,
0 Consult the dealer or an experienced radio/T V technician for‘help. . .. » i .
TDTflL F.21
23—MRY—2l31 11:22 E152 2m 3273 F.01

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Modify Date                     : 2001:05:28 18:50:35+08:00
Create Date                     : 2001:05:28 18:26:07+08:00
Creator                         : Acrobat 4.0 Scan Plug-in for Windows
Producer                        : Acrobat 4.0 Scan Plug-in for Windows
Page Count                      : 7
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FCC ID Filing: PEQ707090401

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