Leica Digisystem i780231 Manuel De L'utilisateur page 35

Changing the battery
Digisystem, How to Use the Transmitter
The battery indicator flashes to indicate a poor battery condition.
1. Unscrew the two fasteners and remove
the cover.
2. Replace all batteries with four new LR20
(D) type alkaline batteries, or remove and
recharge the battery pack if rechargeable
batteries are fitted.
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