Garmin APOLLO GX65 - Manual (Page 190)

Low Internal Battery Voltage
This message is generated when low internal battery
voltage is detected. It becomes an old message after
being viewed. Battery voltage is checked every 15
seconds. This battery backs up the memory for
information added by the user, such as user waypoints
and stored flight plans.
Low Battery
Voltage: Unit
Needs Service
High Battery Voltage
This message is generated when high or zero battery
voltage is detected. It becomes an old message after
being viewed. Battery voltage is checked every 15
seconds. The unit must be returned to the factory for
service. Continued operation is NOT recommended.
Internal Battery
Failure:Turn Off
Unit/Needs Srvc!
Countdown Timer Expired
This message is generated when the Countdown
Timer (which must have been counting down) goes
to 0. The message is cleared when the user views the
message or reactivates the Countdown Timer.
Countdown Timer
Expired
8-14
Message Function