Meridian Modular / Compact Plus

Place the programming overlay on extension 221 (or lowest extension number if you do not have an extension 221) and use an M7310 or M7324 handset.

1. Press feature ** 266344
The Display will now read password
2. Enter the administration password. (23646)
The Display will now read "Terminals and Extns"
3. Press Next until the display reads "Time and Date"
4. Press Show
The Display reads "Time"
5. Press Change
The Display reads "Hour"
6. Press Change
7. Enter the hour HH (12 or 24 Hour format)
8. Press Next
   The Display Reads "Minutes"
9. Press Change
10. Enter The Minutes MM
11. Press Next
12. Press Change to toggle between AM and PM then Press release to exit

The above is the overlay for the M7310 and M7324 handsets. It is placed over the keys that are lit when in programming mode.

The above here shows the key layout for the new version handsets M7310N and M7324N mainly used on the Norstar Plus.

The latest Norstar Plus has a short cut to advance/retard the clock by one hour so it may be worth trying the following from extension 221.

Feature **393 to more clock forward 1 hour
Feature **2225 to move clock back 1 hour