2
Introduction
The TG135A is a programmable security alarm
with a high security PIR sensor incorporating
pulse-count technology. It has an optional
capability of sounding a chime when it detects
and is not in security mode.
Battery Installation and
Replacement
In armed mode the battery low LED will flash
every three seconds if the battery needs
replacing.
Remove the screw from the battery cover and,
pushing down in the area of the arrow heads
on the cover, release the catches and slide the
cover outwards in the direction of the arrow
heads. Remove the connector from the battery
if necessary and connect to a new alkaline PP3
battery taking care to get the polarity correct.
Locate the new battery in the battery
compartment and slide the cover into place.
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