See also:

Turning on/off the Hands-free mode
Turning on/off the Hands-free mode 1) OFF hook switch 2) ON hook switch 3) Talk switch To turn on the Hands-free mode, press the OFF hook switch . To turn off the Hands-free mode, press the ON hoo ...

Corrosion protection
Refer to “Corrosion protection”. ...

Callback
1. Select the “CALL BACK” menu. 2. Press the OFF hook switch . 3. Select the desired number by turning the “TUNE/TRACK/CH” dial. 4. Perform either of the following procedures. – Press the OFF ho ...