4.1.2 BUTTON
1. ON button:
Pressing the ON button more than 1 second (buzzer beeps once), the UPS system is turned on.
2. OFF button:
By pressing this button more than 1 second (buzzer beeps once) turns off the
UPS system whenever the UPS
run under the normal mode/battery mode.
3. Function button:
The Function button provides the following functions:
a) Battery self- diagnosis: When the UPS ran in normal mode, pressing this button more than 2 seconds
(buzzer beeps twice) can start the battery self-diagnosis.
b) Silence function in battery/bypass mode
In battery/bypass mode, when the buzzer beeps, pressing and holding the function button for more than 2
seconds (buzzer beeps two times) can silence the buzzer. Press the button for more than 2 seconds (buzzer
beeps twice) again to resume the alarm function.
c) LCD display screen switch
Pressing the function button for more than 1 seconds and less than 2 seconds (buzzer beeps once) to
switch LCD display screen.
4.ON+Function button:
Press and hold this key for more than 2 seconds to rotate LCD in any mode.
5.OFF+Function button:
Press and hold this key for more than 2 seconds, you can Setting the output voltage and frequency,
Operating by the follow steps:
1) Connect the mains input to the UPS, and make the UPS works in standby mode or bypass mode.
2) Press the 'F' and 'OFF' button more than one second, then release, the buzzer will beep once, the "OUTPUT"
is flashing, which means all of bottom are used for UPS setting, at this point, if the "VAC" is flashing, which
means the output voltage is set to enable; if the "Hz" is flashing, which means the frequency is set to
enable, the LCD screen indicator represents current output voltage and frequency setting value.
3) If you need to set the voltage, check the voltage setting is enabled ("VAC" is flashing), If not, press the 'F'
more than one second, then release, the output setting is enabled, at this point you can start to set output
voltage.
4) Release the 'OFF' key after you press it more than one second, LCD display the selected output voltage in
turn.
5) Repeat the fourth step until the LCD indicator meets the required voltage.
6) Press 'ON' key about one second, the output voltage setting completed.
7) The frequency setting is the same as the voltage setting, but before the setting, please confirm the
frequency setting is enabled, if not, press 'F' key about one second in order to switch to the frequency
setting screen ("Hz" is flashing).
8) When done, Press the 'F' and 'OFF' button more than one second, then
release,
the buzzer will beep once,
exit the setting mode.
In the setting process, if no key is detected within twenty second, the UPS exits the setting screen
automatically.
4.1.3.LCD display functions
When UPS is tower-mounted, the LCD displays as following Fig A. Press and hold the ON+Function key for
more than 1 second, the display will begin to rotate which matches with the rack-mounted configuration. LCD
displays as following Fig.B.
