Model 4821/4820 Control/Communicator Installation Manual
2-2 150962
2.1 Setting System Time and Date
To set the time:
1. Press
[Code]. (Installer Code is factory-programmed as 1234.)
2. At the menu prompt, enter to select “Time”.
3. Enter digit(s) for hour in 24-hour military format, then press .
4. Enter digit(s) for minute, then .
Note that if the “Auto DST Adjustment” feature has been enabled, a message will display
when you set the time.
Example:
To change the system time to 3:45 p.m., the keystrokes are:
[Code]
To set the date:
1. [Code]
2. At the menu prompt, enter to select “Date”.
3. Enter digit(s) for month, then press .
4. Enter digit(s) for date, then press .
5. Enter four digits for year, then press .
Example:
To change the system date to July 15, 1996, the keystrokes are:
[Code]
1 ENTER
1
ENTER
ENTER
1 ENTER 1
1 5 ENTER
4 5 ENTER
1 ENTER
2
ENTER
ENTER
ENTER
1 ENTER 2
7 ENTER
1 5 ENTER
1 9 9 6 ENTER
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