User's Manual

16
Pre-programmable buttons
To call the number programmed behind one of the
four pre-programmable buttons, press this button
wait for a beep and then press the Call/Answer
button.
Volume
• To increase the volume of a call.
Press the upper part of the volume button.
• To decrease the volume of a call.
Press the lower part of the volume button.
Lock
Slide the button up to lock all the buttons except
the emergency button.
7. Buttons