1. Setting up your answering machine
Setting up the date and time
Press the Clock key for 2 seconds.
Use the Forward and Backward keys to choose the desired day. For example: Sunday.
Use the Forward and Backward keys to choose the desired date. For example: May 12, 2013, April 15, 1971, etc.
Press the Clock key for 2 seconds againn.
The device suggest a time of the day.

2. Setting up your answering machine - continued
Use the Forward and Backward keys to choose the desired time. For example: 5:30 pm. You need to put hours and minutes in separately.
Press the Clock key again. (Please note: The settings are now active.)
You can now listen to the date and time setting that you have just configured. Setting up the date and time is complete.