Select Button - Njoy Helios PRO Series User Manual

• Switch to UPS self-test mode: Press ON/Mute
buttons simultaneously for 5 seconds to enter UPS
self-testing while in AC mode, ECO mode, AECO
mode, or converter mode.
OFF/Enter Button
• Turn off the UPS: Press and hold this button for at
least 2 seconds to turn off the UPS. The UPS will be
in standby mode under normal power or transfer to
Bypass mode if the Bypass setting is enabled.
• Confirm selection key: Press this button to confirm
selection in UPS settings mode.

Select Button

• Switch LCD message: Press this button to change
the LCD message for input voltage, input frequency,
battery voltage, output voltage and output
frequency.
• Settings mode: Press and hold this button for 5
seconds to enter UPS settings mode when the UPS
is in standby mode or bypass mode.
• Down key: Press this button to display next
selection in UPS settings mode.
ON/Mute + Select Button
• Switch to bypass mode: When the main power
is normal, press ON/Mute and Select buttons
simultaneously for 5 seconds. Then the UPS will
enter to bypass mode. This action will be ineffective
when the input voltage is out of acceptable range.
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Select + OFF/Enter Button
• Rack or Tower display switch: Press Select and
OFF/Enter buttons simultaneously for 3 seconds.
The display change from/to Rack to/from Tower.
5.2 LCD Panel Indicators
Display Function
Remaining backup time information
Indicates the remaining backup time in
pie chart.
Indicates the remaining backup time in
8 8
numbers.
H: hours, M: minutes
Warning & Fault information
Indicates that the specified warning and
fault occurs.
Indicates the warning and fault codes,
8 8
and the codes are listed in details in 5.4
section.
Settings operation
8 8
Indicates the setting operation
Input/Output & Battery information
Indicates the output/input voltage,
INPUT BATT. OUTPUT
output/input frequency, and battery
V
Hz
voltage.
V: voltage, Hz: frequency
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