Plantronics 240 Manuel D’Utilisation
Headset Contr
ols and Indicators
Action
Indicator Light
Tone
Tur
n the headset
on or of
f
On:
Slide the Power Switch
to the “On” position.
Of
f:
Slide the Power Switch
to the “Of
f” position.
On:
Short blue flash
Of
f:
Long r
ed flash,
then tur
ns of
f
On:
Four rising tones
Of
f:
Four descending
tones
Answer/end
a call
Tap the Call Contr
ol button.
None
Brief low tone at the
beginning or end of
the call.
Reject an
incoming call
Pr
ess and hold the Call
Contr
ol button until you
hear a low tone.
None
Low tone
Missed call
indicator
Briefly pr
ess any button to
cancel the indicator light.
Two simultaneous r
ed/
blue flashes, a pause, then
two mor
e r
ed/blue flashes
(repeating for 5 minutes or
until cancelled).
None
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