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4. Operation
4.1 Display Panel
The UPS has a four-button graphical LCD with dual color backlight. Standard back-light is used to light up the display
with black text and a blue background. When the UPS has a critical alarm, the backlight changes the background to
red. See Figure below:
Control Buttons functions:
There are four buttons on the control panel.
ON/OFF
UPS Test /Alarm Silence
Select
Enter
The following table describes the functions of the LCD control buttons.
Table2. Description of control button
Control
Button
Switch
Function
ON/OFF
-
-To turn on/off the UPS
Press and hold the button
more than 3 seconds.
--To release the UPS from faulty mode
Cut off input power and then press and hold the button more than 2 seconds to shut down
the UPS.
UPS Test
Alarm Silence
--
To perform basic function test
Press and hold the button
for 3 seconds.
--To perform Battery life test
Press and hold the button
for 10 seconds.
-- To disable alarm buzzer
Press the button
for one second.
Select
Press the Select button
to select the settings value one by one
Enter
--
Enter settings mode
Press and hold the button
more than 3 seconds.
-
- Enter settings item
Press and hold the Enter button
more than one second, the UPS allows users to
configure the settings, and the settings string will flash.
--
Confirm settings
Press and hold the Enter button for one second.
-- Exit Settings mode
Press and hold the Enter button
for 3 seconds or button
for 0.5 second.
