Njoy Ranger 30KR User Manual page 16

Battery Test

It will show "Start Battery Test" if the UPS is not in test. Touch "Yes" to start
battery test. Then, it will start battery testing. 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 "Stop battery test" if the UPS is in test.
Battery Test

Mute All
It will show "Mute all" if the audio is active. Touch "Yes" to activate mute.
If "Mute all" is active, it will show
main 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" to
activate audio function or
Mute All
16
TURN OFF UPS
icon on the top left corner of the
Cancel Mute all