Mitsubishi GOT1000 GT15 User Manual page 300

3 GOT internal battery voltage status
Displays battery voltage status.
Display
Normal
Low/None
When the battery voltage is low, replace the battery immediately.
Refer to the following for battery replacement procedure.
12
12.1 Time Setting and Display
- 6
12.1.3 Operating the time setting & display
8.11 Battery
Status
Normal
Low voltage