Plantronics DuoPro - Manual (Page 6)

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5
TROUBLESHOOTING
Callers cannot hear me
■ For Voice Tube models 151, 161, or 171 determine if the
voice tube is clogged or positioned improperly. Plantronics
recommends replacing the voice tube every six to nine
months.
For a temporary solution to a clogged voice tube, gently
rinse warm water through the voice tube for a minute
then manually swing or shake it dry. Make sure the voice
tube is completely dry before reattaching.
■ For Noise-Canceling models 151N, 161N, or 171N
make sure the microphone is facing your mouth and
positioned properly.
■ Verify that the transmit volume control of the modular
adapter is set properly.
I cannot hear callers
■ Verify that the Quick Disconnect™ is connected.
■ Make sure the headset is positioned properly.
■ Make sure the modular adapter, if used, is installed
correctly.
■ Turn up the volume control on the modular adapter,
if used.
Fit is uncomfortable
■ For over-the-ear configurations, determine if the earloop
is properly positioned on your ear. For over-the-head
configurations, make sure the headband length is correct
so the stabilizer bars rest gently just above the ear.
■ Try all possible adjustments for the receiver in the over-
the-ear or over-the-head configuration.