Njoy Ranger 30KT User Manual page 20

Battery test
It will show "Battery Test" if the UPS is not in test. Touch "Yes" to start
battery test. Then, it will show "Battery testing....." during battery test period.
After few seconds, battery test result will show on the screen. Touch "Back"
to return to main screen immediately or "No" to cancel this operation and
back to main screen. It will show "Cancel battery test" if the UPS is in test.
Battery Test
Audio mute
It will show "Mute all" if the audio is active. Touch "Yes" to activate mute. If
"Mute all" is active, it will show
screen. Touch "Back" to return to CONTROL screen immediately or "No" to
cancel this operation and back to CONTROL screen.
It will show "Cancel Mute All" if the UPS is mute already. Touch "Yes" activate
audio function or "No" to keep mute. Touch "Back" to return to CONTROL
screen.
Mute All
20
Cancel Battery Test
icon on the top left corner of the main
Cancel Mute All