Plantronics Calisto User Manual page 62

DRAFT
Adjusting call volume
Press up or down to adjust call volume
when you are using your handset,
speakerphone, or headset.
TIP: For your comfort and health, always listen to calls at a moderate volume.
For complete safety information, see page 50.
Switching calls between handset, headset, and
speakerphone
To switch call:
From handset or speakerphone to
headset
From headset or speakerphone to
handset
From handset or headset to
speakerphone
Page 8
Handset Headset
Press up (towards the indicator light) or
down (towards the microphone) to adjust
call volume when you are using your
headset.
TIP: Do not press the button
inwards to adjust volume.
Do the following:
Press the Headset
1 second.
Press Handset
Press Speakerphone
button for
.
.