Austdac ABMA3-1 Manuel de l'utilisateur - Page 4

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Photograph 2: Intercom type ABMA3-1 rear view

The above photograph shows the rear of the ABMA3-1 intercom with its battery removed to expose the
battery charge current select jumper. In the LO position the battery charge current is 11mA and 22mA in the
HI position. Refer to the system drawing for the correct charge rate for your intercoms. Generally, the HI
position is used in systems with short powered segments and fewer intercoms, the LO position is used in
long powered segments with more intercoms.

Photograph 3: Battery type 5/NH/1-N

I.S. INTERCOM
4 OF 6
20-320-12
TYPE ABMA3-1 USER MANUAL
Issue: 03