Plantronics DISCOVERY 975 User Manual page 15

Action
Enabling or Press volume button
disabling mute for 2 seconds.
(during an active
call)
Adjust the Tap the volume button once for
volume (during an each volume increment. After
active call) reaching max volume, tapping again
will drop the volume to the lowest
setting.
WARNING Do not use the earpiece 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 earpieces and hearing.
DURATIOn: TAP is under 1 second. PRESS is 1-4 seconds as directed.
Earpiece Controls and Indicators
Light tone
None Mute on: sequence starts with the
low-high tones plus voice prompt
"Mute On" (in English). 15 minutes
later just the low-high tones advise
status. Full sequence repeats
every 30 minutes until Mute is
de-activated.
Mute off: high-low tones followed
by voice prompt "Mute Off" (in
English).
One white flash for One low tone for each volume
every volume level increment change; 2 low tones at
change. maximum volume.
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