User's Manual

bottom half of the remote case. Both batteries will face
TX71 USER GUIDE
with positive side down.
Always remove both old batteries and discard in an
INTRODUCTION
appropriate manner. Insert the new batteries and re-
assemble the case in the reverse order to
The TX71 provides the only method to disarm your
disassembling.
security device (SRI-G or SRI-MG). The remote control
NB: When snapping the case halves together, ensure
uses pseudo-random encryption to alter the
the silicon membrane alignment is correct. Failure to
transmission code each time the a disarm signal is sent.
do so may pinch the membrane and allow water to
This patented technology ensures would-be thieves
enter the remote control.
cannot record your code and play it back to the security
device installed in your car.
PHYSICAL DESCRIPTION
The TX71 is a black ABS plastic formed in two halves.
The maximum case dimensions are 54mm x 32mm x
12mm
The two halves are friction snapped together. Between
the two halves is a silicon membrane which provides
water ingress protection. The membrane is also
designed to support and protect the printed circuit
board.
The case also include a large key ring loop to
conveniently attach the remote to the driver’s keys.
RADIO FREQUENCY TRANSMISSION
The TX71 uses a SAW locked 433MHz transmitter.
Coded signals are transmitted by Pulse-Width-
Modulation.
AT A GLANCE
MODEL NUMBER TX71
MANUFACTURER DYNAMCO PTY LTD
CASE COLOUR BLACK
LED COLOUR RED
BATTERY POWER SUPPLY
BATTERY 2 X CR2016 3 VOLT LITHIUM
CODE STRUCTURE PSEUDO RANDOM ENCRYPTION
The remote circuitry is powered by two CR2016 3 Volt
Lithium batteries placed one on top the other,
RF FREQUENCY 433MHz
supplying 6volts.
CAUTION:
BATTERY REPLACEMENT
To assure continued FCC compliance:
?Any changes or modifications not expressly
When the battery is low the effective range of the
approved by the grantee of this device could void the
remote control will decrease. This can be temporarily
user's authority to operate the equipment.
overcome by moving closer to the vehicle. However,
replacement CR2016 batteries should be purchased
FCC Label Compliance Statement:
and exchanged with the current batteries.
?This device complies with Part 15 of the FCC Rules.
To replace the batteries, use a small flat blade
Operation is subject to he following two conditions: (1)
screwdriver to lever between the two halves of the
this device may not cause harmful interference, and
remote case. Disassemble the entire remote control
(2) this device must accept any interference received,
paying particular attention to the order in which the
including interference that may cause undesired
pieces come apart.
operation.
The batteries will remain locked in place within the
RED LED
AUXILIARY
BUTTON
DISARM
BUTTON
KEY RING
LOOP
T
X
71
(HCS
2
0
0)
MEMBRANE
PRINTED CIRCUIT BOARD
CASE TOP
CASE BOTTOM
BATTERIES
DYNAMCO PTY LTD
S E C U R I N G V E H I C L E S W O R L D W I D E