Plantronics EXPLORER 240 User Manual page 11

Headset Controls and Indicators
Action
Make a call Enter the number on your
phone and press send.
Battery level To check, simultaneously
press and hold both the
Call Control and Volume
buttons for about 2
seconds. The indicator
light flashes to show the
charge level.
Adjust the volume Tap the Volume button to
(during call) increase through 4 levels;
tap at top level to return to
lowest volume setting.
WARNING Do not use headsets at high volumes for an extended period of time. Doing so can cause
hearing loss. Always listen at moderate levels. See www.plantronics.com/healthandsafety for more
information on headsets and hearing.
Indicator Light
Blue flash every 2 seconds until
the call is ended.
red flashes Battery level
1 More than 2/3 full
2 1/3 - 2/3 full
3 Less than 1/3 full
Single blue flash for every
volume level change.
Tone
Ringing
None when
checking level.
Low battery tone
indication: 3 tones
when under 5
minutes talk time
is remaining.
Low tone at every
volume level
change. (Two
tones at maximum
volume level.)
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