See also:

Volume control switch
Press the switch to the “+” side to increase the volume. Press the switch to the “−” side to reduce the volume. A number indicating the volume will be shown on the audio display. ...

When “NO USB” is displayed (type D audio)
This message is displayed under the following conditions. - No USB storage devices/iPod® are connected. - A non-connectable USB storage device/ iPod® is connected. Connect a connectable USB s ...

Setting PIN code
The PIN code is a 4-digit number and is used when locking the phonebook. 1. Select the “SETUP” menu. 2. Select the “SECURITY” menu. 3. Select the “SET PIN” menu. Then “CURRENT PIN?” is displayed. ...