Plantronics VOYAGER 835 User Manual page 10

Headset Controls and indicators
Action
Check battery Press and hold both the call
power control and volume down
buttons for about 2 seconds.
The indicator light flashes red
to show the charge level.
Adjust the volume Tap the up or down
(during call) volume button
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.
Voice Dial Press and hold the call
control button for 2 seconds
Redial last number Tap the call control
button twice
Indicator Light
red flashes Battery level
1 More than 2/3 full
2 1/3 - 2/3 full
3 Less than 1/3 full
Blue flash
Blue flash repeating
every 2 seconds
Blue flash repeating
every 2 seconds
Tone
None
Brief low tone (2
low tones when
volume limit is
reached)
None
Two brief low
tones
6