General Mode
a. Press the "Display-Toggle" button to check the UPS status:
b. Press and hold the Display-toggle button for 4 seconds:
If the machine is in the Battery Mode with active alarm, it will become silent.
If the machine is in the Line Mode, a self- diagnostic test will take place.
c. If the Display-toggle button remains untouched for over 30 seconds, the LCD backlight will turn off
automatically.
Set-up Mode
Step 1: Hold the Display-toggle button for 10 seconds to enter the UPS Set-Up Mode.
Step 2: By pressing the Display toggle, users can switch between setup functions. Some User Configurable
functions are as follows:
a. Delay Time: The time delay between switching from Battery Mode to Line Mode. There are 9 different
settings. The default setting is 0 minutes.
b. Battery Pack Numbers: PR750ELCDRT1U/ PR1000ELCDRT1U do not support this function, and the
LCD always shows 0.
c. Static Frequency Tolerance: There are 6 settings (1,2,4,6,8,10 %), and the default setting is +/- 6%.
Functional description: The setting may be adjusted to the quality of the electricity in use.
d. Slew Rate: Also known as Dynamic Frequency Tolerance. There are 5 different settings (0.25,0.5,1,2,4
Hz/Sec). The fault value is 4Hz/sec. Functional Description: "Slew Rate" indicates the tolerance of a
device in accepting frequency variance. Lower "Slew Rate" results in less tolerance but better
protection for the connected load and vice versa.
e. Low Battery Shutdown Voltage: This function will adjust the UPS shutdown point according to the
battery's remaining capacity.
These programmable items are sorted by unit as in the following table:
Step 3: Press and hold the display-toggle button for 4 seconds. When the icons blink, the value of each item
can be changed by slightly pressing the toggle.
Step 4: To save the value and return to general mode, press and hold the toggle for 4 seconds.
Note! If the machine is left idle for over 30 seconds during setup, it will turn off the backlight and return to
general mode automatically.
Note! If user wants to return to the general mode without saving changes, there are two methods:
(1) Wait for the backlight display to turn off, or,
(2) By pressing and holding the "Display-toggle key for 10 seconds.
Copyright © 2009 CyberPower Systems, Inc.
LCD SETUP FUCTIONS
Items
Input Voltage
Output Voltage
Load Capacity
Battery Capacity
Items
Delay Time
Battery Pack Numbers
Static Frequency Tolerance
Slew Rate
Low Battery Shutdown Voltage
Unit
V
V
%
%
Unit
Min
None
%
%
V
8