See also:

Calendar
To view calendar. 1. Push the “INFO/PHONE” button. 2. Touch “Calendar”. On this screen, a blue line appears under the current date. or : To change month. or : To change year. ...

Speed dialing
Press the off-hook switch. Press the preset button in which the desired number is registered. Press the off-hook switch. ...

Battery
Check the battery as follows:  - Battery exterior Make sure that the battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps. 1. Terminals 2. H ...