- From the Programming Extension, press the Program key.
- Press the Scroll Down key.
- Select System programming.
- Enter the System Programming Password.
- Select System.
- Select Time and date.
- Enter the correct time in 24-hour format.
- Enter the date in dd/mm/yy format.
- Press the Hands-free key to finish programming.
If you have a power failure, you'll need to reset the time and date.
Changes to the system time will only take place when any external calls in progress at that time have cleared.