User guide

To adjust the volume during a call:
1. Tap the  key on the screen to reduce the volume and the  key to
increase the volume. There are 15 volume levels. The Quattro 4.0 remembers
the last level that was set.
To mute and unmute a call:
1. Press and HOLD the  key on the screen.
2. The Quattro 4.0 announces “Mute On” or “Mute Off.”
Muted will appear on the screen when Microphone
is muted.
To end a call:
1. Press and HOLD the MFB. The Quattro 4.0 announces “Call Terminated.”
Placing a Call Dialing from the Phone:
1. Initiate a call using your mobile phone as you normally would. You will hear the
phone ringing through your hearing aid or CI or through the ear buds. When
the person you called picks up or you get voicemail - start talking.
Operating the Quattro 4.0
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