You must be on the main phone on jack 01 to set time. You can determine if
your phone is jack 01 by pressing PROGRAM and then pushing the number 6 on the dial pad. The phone will read the jack and extension number. When you have determined the jack 01 phone, do the following.
1. Push PROGRAM key
2. Dial "0"
3. Enter year (last 2 digits)
4. Enter month (01-12)
5. Enter day (01-31)
6. Enter day of week (Sun 0, Mon 1, Tue 2, Wed 3, Thu 4, Fri 5, Sat 6.)
7. Enter Hour (01-12)
8. Enter Minute (00-59)
9. Press 0 for AM 1 for PM
10. Press "AUTO DIAL/STORE" key
11. Push PROGRAM key to return to normal mode.