SIGMA Category 1 - Manual (Page 15)

6. Radio Transmitters
Your S U B A R U Category 1 Alarm System s radio transmitters operate on the DTI and
R&TTE approved frequency of 433.92mhz, for use in all EU member states. Although
extremely robust you must take care of your radio transmitters to prolong their working
life.
If you lose or damage a radio transmitter, replace it immediately.
If you need more than two radio transmitters for your security system your S U B A R U
dealer can supply a third or fourth transmitter (maximum 4 to preserve security).
The radio transmitters are battery powered and although the batteries are long life
lithium cells, it is recommended that these are changed every year. Your S U B A R U
dealer will be pleased to supply these for you.
Replacing the Batteries in a Radio Transmitter
Eventually the lithium battery cells will need replacing. A symptom of low battery power is
reduced operating range from the vehicle. To maintain optimum performance of the radio
transmitter it is good practice to replace the lithium battery cells annually.
The radio transmitters are built into the ignition keys and are powered by single lithium
cell (model number CR1620). For information on changing the cells in these transmitters
consult your vehicle handbook.
Caution:
Lithium battery cells should not be exposed to temperatures exceeding 60”C
(140”F). You must dispose of depleted lithium batteries carefully. Battery cells may
explode or leak if recharged, incinerated or short-circuited. Your local authority will
advise you of the correct disposal method in your area.
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