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System and Control Options
37 Liebert
®
AC4
™
7.7.2 Set Date & Time/Automatic Daylight Saving Time
The Liebert AC4 has a built-in real-time clock that is backed up by an encapsulated lithium battery
and set up to adjust automatically for daylight saving time twice a year. The Setup System Info menu
allows you to set the current date or time or change the automatic adjustment at any time.
To change the daylight saving time setting or to set the current date
or time:
• From the Setup System Info Menu, use the arrows
↑↓ to choose
Set Date & Time, then press Enter ↵.
• To change the daylight saving time setting:
• To the right of Daylight Svg Time, use the arrows
↑↓ to
choose Y (Yes - automatically adjust for daylight saving time)
or N (No), then press Enter ↵.
• The format of the date and time is DD-MMM-YY HR:MM:SS. To
set the current date or time:
• Press Enter ↵ to advance to the next character position you
want to change.
• Use the arrows
↑↓ to choose from available entries:
• Press Enter ↵ to advance to the next character position.
• When finished, press Enter ↵ again.
7.7.3 Setup Site ID
You may enter a Site ID to identify the Liebert AC4’s location, using a
name that may consist of up to 40 characters (see Table 12 for valid
characters). The Site ID will appear with each alarm.
To enter or change the Site ID:
• From the Setup System Info Menu, use the arrows
↑↓ to choose
Setup Site ID, then press Enter ↵.
• To enter a Site ID:
• Use the arrows
↑↓ to choose a character.
• Press Enter ↵ to advance to the next character position.
• If the Site ID is less than 40 characters, you may enter an
underscore (_) character to indicate the end of the name.
• When finished, press Enter ↵ again.
Date Day (DD) 0-31
Month (MMM) JAN-DEC
Year (YY) 00-99
Time Hour (HR) 00-23
Minutes (MM) 00-59
Seconds (SS) 00-59
Setup System Info Menu
SETUP SYSTEM INFO
CHANGE PASSWORD
> SET DATE & TIME
↑↓=NEXT ↵=SELECT
SETUP SITE ID
FACTORY DEFAULTS
Set Date & Time
SET DATE & TIME
DAYLIGHT SVG TIME: Y
18-MAY-04 10:56:30
↑↓=SELECT ↵=NEXT/END
Setup System Info Menu
SETUP SYSTEM INFO
CHANGE PASSWORD
SET DATE & TIME
↑↓=NEXT ↵=SELECT
> SETUP SITE ID
FACTORY DEFAULTS
Setup Site ID
SETUP SITE ID
↑↓=SELECT
↵=NEXT/END