Icom IC-7760 Advanced Manual page 110

12
MAINTENANCE (ADVANCED)
Replacing the clock backup battery
The IC-7760's controller has a lithium backup battery
(CR2032) for the internal clock and timer functions.
When the backup battery is exhausted, the transceiver
normally works but cannot retain the current time.
R WARNING! DISCONNECT the power adapter
from the outlet before removing the controller's
cover.
1. Detach the desktop stand from the controller.
2. Remove the 8 screws from the controller's rear
cover.
Front panel
3. Pull the front panel out of the rear cover.
L Be careful not to stretch the speaker cables.
4. While lightly lifting the metal fitting (+ terminal) of
the battery holder in the direction of 1, remove
the old battery in the direction of 2.
L If you cannot remove the battery with your fingers,
use a thin, non-metallic stick, such as a toothpick.
CAUTION: DO NOT use metal objects, such as a
tweezer. This could damage the controller.
5. While lightly placing the new battery in the
direction of 3, push it into the battery holder.
Pull out
Be careful not to stretch
the speaker cables.
Rear cover
Backup battery
3
1
2
For Users in California (U.S.A.)
This CR2032 Lithium Battery contains Perchlorate
Material—special handling may apply.
See https://dtsc.ca.gov/perchlorate/
6. Return the front panel to the original position,
reinstall the 8 screws, and then connect the power
adapter to the outlet.
7. Turn ON the transceiver, and then set the date
and time in the DATE/TIME screen.
» SET > Time Set > Date/Time
MENU
12-2