From any display phone with handset hung up:

1. Press # 2 0
   
   
2. Enter password
   
   
3. Press 1
   
   
4. Press #
   
   
5. Press # again
   
   
6. Press 5 5. Display reads: YY MM DD W HH MM
   
   
7. Input data
   YY - last two digits of year
   MM - month of year (from 01 - 12)
   DD - day of month (from 01 - 31)
   W - weekday (from 0 - 6, 0=Sunday)
   HH - hour (24 hour mode, 10=10 am, 22=10 pm)
   MM - minute
   
   
8. Press #
   
   
9. Display will adjust itself to the new time and date.