Front Panel - GE MDS 4790 Series Installation & Operation Manual

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4. Locate the battery cable and connect it to the proper terminals on the
battery. The red wire connects to the positive (+) terminal; the black
wire connects to the negative (–) terminal.
Backup Battery
(P/N 28-1575Axx)
Figure 40. Backup Battery Installation
5. Reinstall the top cover of the radio and set the
switch to . If the battery is charged, the radio should begin oper-
ON
ating immediately. If it is not charged, you must operate the radio
from an AC power for at least 6 hours before battery backup is
available.
6. This completes the installation of the backup battery. To remove the
battery from the radio, reverse these steps.

8.3 Front Panel

The front panel is secured to the chassis with spring-loaded latches. To
remove the panel, simply pull out at the bottom edge until it is free from
the chassis (Figure 41 on Page
ular cable from the back of the panel. Reverse these steps to re-install
the front panel on the chassis.
MDS 4790/9790 Series I/O Guide
BATTERY BACKUP
89). You must also disconnect the mod-
MDS 05-3438A01, Rev. F