17
16
Making/answering/
ending calls
Ascending/descending
tones, 2 tones at limit
3 mid tones = Mute
3 low tones = Unmute
NOTE: Tones repeat every
15 seconds when muted.
Short key press
Short key press
straight in
Rock back
and forth
Mid tone
Low battery
warning
Return headset
to charging cradle
1 tone every 10 seconds
Out of range
warning—when
on active call
Move closer
to base
—
—
2 tones
Incoming call
notification*
*Only works when using optional Handset Lifter.
Press call control
button to answer call
—
3 repetitive tones
Mute
Listening volume
minor adjust
Key Feature Action Tone
Action
Light
Fully Charged
Solid amber
Charging
Flashes amber
Solid green
Power Solid red
Talking
Flashes greenMuted
CS55 CS50
T
alking/Muted
(Green)
Charging (Amber)
Power (Red)
T
alking/Muted
(
Green)
Charging (Amber)
Power (Red)