VOLUME 
Tone
Mute
Channel
Telephone operation
Options while on calls
Volume control
Press 
CID/-VOLUME
/VOLUME+ to increase the volume. When changing the volume level, the new setting is saved.
Call waiting
If you subscribe to call waiting service with your local telephone company, there will be a beep if there is an incoming call while you are already on a call. Press 
PHONE/FLASH to put your current call on hold and take the new call. Press 
PHONE/FLASH anytime to switch back and forth between calls. For more information on caller ID, see page 26.
Mute
Press MUTE to silence the microphone. When mute is on, MICROPHONE MUTED will show on the handset screen. You will be able to hear the caller, but the caller will not be able to hear you until you press MUTE again and resume speaking. When the mute function is turned off, MICROPHONE ON will show temporarily on the handset screen.
Temporary tone dialing
If dial pulse (rotary) is selected, you can switch to touch tone dialing during a call by pressing TONE*. This can be useful if it is necessary to send tone signals for access to answering systems or
After you hang up or press 
PHONE/FLASH (to receive a call waiting call), the telephone auto- matically returns to dial pulse (rotary) service.
Channel selection
During a call, if you hear clicks and pops, or if the speech sometimes fades, press CHAN/DELETE on the handset to scan for a clearer radio channel between cordless handset and base.
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