Adjusting Call Volume; Switching Calls Between Handset, Headset, And Speakerphone - Plantronics .Audio 655 User Manual

Adjusting call volume

Handset
During a call, 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 53.
Switching calls between handset, headset, and
speakerphone
To switch call:
Handset or Speakerphone ➔
Headset
Headset or Speakerphone ➔
Handset
Handset or Headset ➔
Speakerphone
Page 10
Headset
Press up (towards the indicator light) or
down (towards the microphone) to adjust
call volume during a call.
Do the following:
Press the Headset
under 1 second or until you hear
a single high beep. The Handset
or Speakerphone key is no longer
illuminated, and
on the screen.
Press Handset
up when the handset is active.
Press Speakerphone
lights up when the speakerphone is
active.
button for
is now displayed
. The key lights
. The key