C650 & C650R User
Manual Page 23
5.
OPERATION
5.1
LCD PANEL
The UPS has a five-button graphical LCD. It provides useful information about the UPS itself, load status, events,
measurements and settings.
THE LED
Indicator
Status
Description
Green
On
The UPS is operating normally on Online or on High Efficiency
mode.
Orange
On
The UPS is in Battery mode.
Orange
On
The UPS is in Bypass mode.
Red
On
The UPS has an active alarm or fault.
Please refer to section 8.1 Trouble shooting for more
information
THE BUTTONS
The button
Function
Illustration
Power on
Press the Button for >100ms & < 1s will power on the
UPS in standby.
Turn on
When the Unity is powered on, press the button for >3s
can turn on the UPS
Turn off
Press the button > 4s can turn off the UPS
Scroll up
Press to scroll up the menu option
Scroll down
Press to scroll down the menu option
Enter menu
Select/Confirm the current selection
Exit the present
menu
Press to exit present menu to Main menu or the higher-
level menu without changing a setting
Mute buzzer
Press the button to mute the buzzer temporarily, once
new warning or fault is active, buzzer will work again