INFOSEC UPS SYSTEM E3 PRO 1000 RT User Manual page 12

3 . O P E R A T I O N S
3.1 Buttons operation
Button
ON/Mute Button
OFF/Enter
Button
Select Button
ON/Mute +
Select Button
Select +
OFF/Enter
Button
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12
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Function
 Turn on the UPS: Press and hold ON/Mute button for at least 2
seconds to turn on the UPS.
 Mute the alarm: After the UPS is turned on in battery mode, press
and hold this button for at least 3 seconds to disable or enable the
alarm system. But it's not applied to the situations when warnings
or errors occur.
 Up key: Press this button to display previous selection in UPS
setting mode.
 Switch to UPS self-test mode: Press ON/Mute buttons for 3
seconds to enter UPS self-testing while in AC mode, ECO mode,
or converter mode.
 Turn off the UPS: Press and hold this button at least 2 seconds to
turn off the UPS. UPS will be in standby mode under power
normal or transfer to Bypass mode if the Bypass enable setting by
pressing this button.
 Confirm selection key: Press this button to confirm selection in
UPS setting mode.
 Switch LCD message: Press this button to change the LCD
message for input voltage, input frequency, battery voltage, output
voltage and output frequency. It will return back to default display
when pausing for 10 seconds.
 Setting mode: Press and hold this button for 3 seconds to enter
UPS setting mode when Standby and Bypass mode.
 Down key: Press this button to display next selection in UPS
setting mode.
 Switch to bypass mode: When the main power is normal, press
ON/Mute and Select buttons simultaneously for 3 seconds. Then
UPS will enter to bypass mode. This action will be ineffective when
the input voltage is out of acceptable range.
 Exit setting mode or return to the upper menu: When working in
Setting mode, press ON/Mute and Select buttons simultaneously
for 0.2 seconds to return to the upper menu. If it's already in top
menu, press these two buttons at the same time to exit the setting
mode.
 Rack or Tower display switch: Press Select and OFF/Enter
buttons simultaneously for 3 seconds. The display will switch from
or to Rack and Tower.