Changing the battery
The battery indicator flashes when approximately 20% of battery life remains. The rate of
flashing increases as the battery life declines.
DIGICAT 500i/550i, How to Use the Transmitter
1. Loosen the two screws of the battery
cover and remove them together with
the cover.
2. Replace all batteries with four new
LR14 (C) batteries.
Alkaline batteries should be used.
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