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Operator Control and Display Panel
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9.6 Navigation Keys
The navigation keys on the front panel—F1 through F4 and Help—are used to access the LCD to view
the current status and other information about the Liebert
®
APM
™
.
Navigation key icons on the LCD appear above each key to indicate its operation (see Table 26). The
keys are “soft keys” that can change functions according to the icon.
•Use F1 to move to the home portion of the LCD.
•Use F3 and F4 as cursor keys to move left and right or up and down, depending on the icons dis-
played above the keys.
•Use F3 and F4 on the display simultaneously to view individual Module information such as
Input and Output conditions and individual Module Firmware versions
•Use F2 as an ESC key.
•Use HELP to access help information on the LCD or to enter a choice.
9.7 LCD Menus and Data Items
The LCD menus provide access to the following categories of information and settings for the UPS.
Selecting a menu changes the information displayed in the UPS data items portion of the LCD. The
menu choices are listed below and described in detail in Table 27.
• Mains - view utility power input data: voltage, current, frequency and power factor
• Bypass - view bypass data: voltage and frequency
• Output - view output data: voltage, current, frequency and power factor
• Load - view load data: load percent, output current, output power and crest factor (CF)
• System - view system data
• Battery - view battery characteristics—voltage, current, temperature, remaining time and capac-
ity—and messages when the battery is boost/float charging or disconnected
• Events - view the events log—displays all recent events added to the log (new records added at
end)
• Records - access the history log—displays all records in the log (new records added at end)
• Language - select a language for LCD text (choices appear in the native language)
• Settings - configure UPS settings: adjust the display contrast, choose a format for date display,
set the date and time, set up the UPS for modem communications (baud rate, address, mode and
phone numbers to dial for alarm notifications) and change the password
• Command - start or stop a battery maintenance test, battery capacity test or system test
• Run Time - view available backup time for the UPS and bypass
• Version - view firmware versions for the inverter, rectifier and software display board and the
model information for the UPS
Figure 56 shows a menu tree of the options available from the LCD menus.
Table 26 Icons for navigation keys
Key F1 F2 F3 F4 HELP
Functions
Available
Home
Exit
Left Right Enter
Up Down Help
ESC
?