TRXS-830 Ankle Transmitter
User Guide
Information in this documentation is subject to change without
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Elmo-Tech Ltd. The software described in this document is
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Table of Contents
1 Introduction.................................................................... 2
2 Installing the Transmitter............................................... 3
Activating the Transmitter.................................................. 3
Attaching the Transmitter .................................................. 5
3 Removing the Transmitter .............................................. 7
Deactivating the Transmitter .............................................. 8
4 Maintenance ................................................................... 9
Cleaning the Transmitter.................................................... 9
Replacing the Transmitter Straps .......................................11
5 Specifications................................................................ 13
Transmitter Specifications.................................................13
6 FCC Information............................................................ 14
1
E3 Receiver Unit and Transmitter Installation Guide
1 Introduction
The TRXS-830 is an inconspicuous transmitter used in house
arrest applications and is attached to the client's ankle or wrist
by means of a tamper-detecting strap. The client's presence (or
absence) is tracked constantly by radio transmissions between
the Transmitter and the E3 Receiver Unit. When the client
enters or leaves the defined home environment, the E3 Receiver
Unit records the event. The E3 Receiver Unit then checks the
client’s stored curfew schedule to determine if the event is in
violation of his or her curfew order.
2
2 Installing the Transmitter
Once the E3 Receiver Unit has been connected and is working
correctly, you can calibrate and install the Transmitter (Tx).
Check that you have the following equipment items before you
install the Transmitter:
f Transmitter (Tx) and Strap holder
f Locking clips (male and female)
f Strap holder
f Electronic key
f Locking tool
f Screwdriver (to open the clips if necessary). It is
recommended to use a 5mm flat head screwdriver
Activating the Transmitter
Before the Transmitter can be attached to the Offender, you
must first activate and calibrate the Transmitter.
To activate and calibrate the Transmitter:
1. Hold the Transmitter in your hand with the metal pins (along
the strap) pointing towards you. You will need to support the
underside of the strap.
2. Hold the electronic key in your other hand, with the ‘OFF’
button pointing towards the open or free end of the strap.
The ‘OFF’ button must be facing away from the Transmitter
body.
3. Press the electronic key down over the metal pins with the
two touch points on top of the electronic key matching the
metal pins on the Transmitter strap.
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E3 Receiver Unit and Transmitter Installation Guide
4. Hold the electronic key and the Transmitter strap in this
position while you perform the next step.
5. Press the ‘ON’ on the electronic key for one second; the red
LED light on the electronic key turns steadily on for two
seconds. If the Transmitter successfully received the
activate/calibrate commands the red light on the electronic
key will flash for two seconds.
Note: If the Transmitter failed to receive the
activate/calibrate command, the red light on the electronic
key will turn off after the initial two seconds on. If the
electronic key’s battery is low, the red light will immediately
flash for two seconds once the ‘ON’ button is pressed.
6. Place the Tra n smitter on its side, on a non-metal table and
wait for about thirty seconds.
To deactivate the Transmitter, simply follow the instructions
from steps 1 to 6 above, but instead of pressing the ‘ON’ button
on the electronic key to activate/calibrate the Transmitter, press
the ‘OFF’ button.
4
2 Installing the Transmitter
Attaching the Transmitter
To attach the Transmitter to the offender:
1. Place a strap hol der over the
short strap (strap with pin
side) of the Transmitter.
2. Attach the female Clip to the
underside of the
Transmitter’s short strap (to
lie against the Offenders
skin). Check that the closed
end of the clip fits with the
edge of the strap.
3. Wrap the Transmitter around the Offender’s wrist/ankle at its
narrowest point.
4. Lay the long strap over the
female clip ensuring that all
pins on the short strap are
protruding through the long
strap.
5. Slide the strap holder over
the end of the long strap in
order to hold it in place.
Note: The Transmitter must fit tightly around the
Offender’s wrist/ankle, but not squeezing. It is also
permissible to wear a sock underneath the ankle
Transmitter. Try to mount the Transmitter over the sock
before it is fastened.
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E3 Receiver Unit and Transmitter Installation Guide
6. Cover the female clip
with the male clip
ensuring that the pins
on the male clip fit
correctly into the
female clip (the
grooves on the side of
each clip must match).
7. Ask the Offender to stand up and move around to ensure
that the Transmitter is comfortable.
8. Fasten the two clips using the specially designed locking
tool. An audible clicking sound should be heard, indicating
that the clips are closed properly.
Note: Once the Transmitter has been activated and
attached to the offender’s wrist or ankle and the relevant
offender is within the defined reception range of the E3
Receiver Unit, the E3 Receiver Unit locks onto and starts to
monitor the Transmitter.
6
3 Removing the Transmitter
3 Removing the Transmitter
To remove the Transmitter:
1. Check the followin g signs to see if the clips have been
tampered with:
f Cracks on the clips
f Broken pins
f Sign of adhesive or glue
2. Being careful not to damage or cut the strap, use a
screwdriver to break the disposable clips.
Screwdriver
Grooves
3. Collect all the fragments of the broken clip. Do not leave any
disposable items.
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E3 Receiver Unit and Transmitter Installation Guide
Deactivating the Transmitter
Deactivating the Transmitter is essential to preserving the unit’s
internal battery.
To deactivate (turn off) the Transmitter:
1. Hold the Transmitter in your hand with the metal pins (along
the strap) pointing towards you. You will need to support the
underside of the strap.
2. Hold the electronic key in your other hand, with the ‘OFF’
button pointing towards the open or free end of the strap.
The ‘OFF’ button must be facing away from the Transmitter
body.
3. Press the electronic key down over the metal pins with the
two touch points on top of the electronic key matching the
metal pins on the Transmitter strap.
4. Hold the electronic key and the Transmitter strap in this
position while you perform the next step.
5. Press the ‘OFF’ on the electronic key for one second; the red
LED light on the electronic key turns steadily on for two
seconds. If the Transmitter successfully received the
deactivate command the red light on the electronic key will
flash for two seconds.
Note: If the Transmitter failed to receive the deactivate
command, the red light on the electronic key will turn off
after the initial two seconds on. If the electronic key’s
battery is low, the red light will immediately flash for two
seconds once the ‘ON’ button is pressed.
6. Pack the Transmitter into its original packaging and place
into the carrying case.
8
4 Maintenance
Cleaning the Transmitter
The Transmitter is made of a single mold, especially designed to
protect the integrity of the electronic circuits during daily use
and while it is being cleaned.
The following cleaning methods are approved by Elmo-Tech:
f Manual Cleaning – using a soft brush and approved cleaning
product.
f Using a Dishwasher – together with an approved cleaning
product.
To clean the Transmitter manually:
1. Remove the Transmi tter from its carrying case.
2. If there are clips on the Transmitter, remove the ‘female’
and ‘male’ parts before cleaning.
3. Remove the strap hol der from the Transmi tter.
4. Hold the Transmitter by the end of the lo ng strap and either:
f Spray the Transmitter with 3MTM Citrus Base cleaner, or
an alcohol based equivalent.
Or
f Using a damp cloth or towel, clean the Transmitter with
soapy water.
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E3 Receiver Unit and Transmitter Installation Guide
5. Using a dry cloth or towel, dry the outside of the Transmi tter
and place it on a towel with its inner side facing up.
6. Using a soft brush, gently brush the inner side of the
Transmitter along the tracks.
7. After cleaning, wash the Transmitter in clean water.
8. Using a dry cloth or towel, dry the Transmitter thoroughly.
9. Place the strap holder back onto the short strap of the
Transmitter.
10. Place the Transmitter back into its carrying case.
To clean the Transmitter using a dishwasher:
1. Remove the Transmi tter from its carrying case.
2. If there are clips on the Transmitter, remove the ‘female’
and ‘male’ parts before cleaning.
3. Remove the strap hol der from the Transmi tter.
4. Place the Tra n smitter into the dishwasher machine.
5. Use a pH neutral or slightly acidic cleaning agent.
Note: Elmo-Tech recommends Hepi dishwashing Products
by Thurn-produckte (http://www.thurn-produkte.de/).
6. Choose the shortest cycle, at a maximum temperature of
52ºC.
7. Once the Transmi tter is dry, place the strap holder back
onto the short strap of the Transmitter.
8. Place the Tra nsmitter back into its carrying case.
10
4 Maintenance
Replacing the Transmitter Straps
After some time and depending on the wear and tear of the
Transmitter, the straps on the Transmitter will need to be
replaced. Any of the following points could justify replacing a
Transmitter strap:
f Visible damage to one or both straps
f Strap tamper alarm generated, with no visible damage to
the Transmitter
f Transmitter will not calibrate
Note: If only one side of the strap is damaged, you may
want to leave the undamaged side in place and replace only
the damaged side of the strap.
Check that you have the following equipment items before you
replace the Transmitter straps:
f 1 Transmitter body
f 1 pair of replacement straps (long/medium non-pins side
and long/medium pins side)
f Screwdriver
f Extra screws
f Extra strap clips (male and female)
f Electronic key
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E3 Receiver Unit and Transmitter Installation Guide
To replace the Transmitter straps:
1. Using the screwdri v er, open the screw(s) that holds the
strap clasp to the Transmitter and remove the strap clasp.
2. Gently shake the strap l oose from the Transmitter body,
being extra careful not to damage the metal pins on the
Transmitter body.
3. Position the new strap over the Transmitter body. Notice
that the two small holes on the strap have to lie exactly over
the two metal pins.
4. Gently place the strap down over the metal pins and press
down along the seam of the strap, snugly fitting the entire
strap to the Transmitter body.
5. Put the strap clasp back in place with the wider side pointing
in-wards.
6. Close the screw (s) with the screwdriver. It has to be closed
firmly, but not too tight since this can damage the strap.
7. Test the new strap by performing a calibration. Refer to the
chapter about Installing the Transmitter.
12
Note: If, after the calibration, the Transmitter does not
reset, repeat steps 1-6 making sure that the strap is
positioned correctly over the pins. Then perform another
calibration test. If changing only one side of the strap does
not work, you should try and change the other strap side.
5 Specifications
Transmitter Specifications
f Transmitter size:
5.5 x 4.2 x 1.5 cm
(2.2 x 1.65 x 0.67 in)
f Fully adjustable / reusable
straps
f Shock resistant f Multi tamper protection
f Battery operational life:
18 / 36 months
f Waterproof to 4.5 m (15 ft) f Frequency: 318MHz
f Transmitter weight:
50 g (1.75 oz)
f Disposable lockin g clip
f Battery shelf life: 2-3 years
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E3 Receiver Unit and Transmitter Installation Guide
6 FCC Information
TRXS-830 FCC ID: LSQ-TRXS-830
FEDERAL COMMUNICATIONS COMMISSION (FCC)
The device complies with Part 15 of the FCC Rules.
Operation is subject to the following two condit ions:
(1) This device may not cause harmfu l interference, and (2) This device must
accept any interference received, including interference that may cause
undesired operation.
This device 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 device generates , us es 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 particu lar installation. If this device does
cause harmful interference to radio or television reception, which can be
determined by turning the equipme nt off and on, the user is encouraged to try
to correct the interference by one or more of the following measures:
1. Reorient or relocate the receiving antenna, 2. Increase the separation
between the equipment and the receiver, 3. Connect the equipment into an
outlet on a circuit different from that to which the receiver is connected,
4. Consult the dealer or an experienced radio/TV 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.
Part 15 STATEMENT
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