Sony NAV-U NV-U44 - Manual (Page 6)

6
Other basic menu operations
About the battery status indication
The battery status can be checked by the indicator in the main menu.
To Touch
cancel the setting “Cancel”
confirm the selection/proceed to the next step “Done” or “OK”
Indicator Status
Adapter connected.
Fully charged.
Not fully charged.
Low battery.
Battery is empty. Charge battery immediately.