Plantronics SuproPlus Headset System - Manual (Page 8)

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Major Adjust Minor Adjust
Use the speaking volume minor adjust
control on the back of the base for minor
incremental adjustments.
NOTE: You must be in talk mode (i.e. on a
call) to adjust.
Use the speaking volume major adjust
control on the bottom of the base for large
incremental adjustments.
NOTE:
A is the lowest setting.
B is the most common setting.
D is the loudest setting.
LISTENING VOLUME SPEAKING VOLUME
Major Adjust Minor Adjust
Headset Mute
Headset Mute
To mute headset, press the mute button straight in.
Press again to unmute.
Talk indicator light on base will flash while muted.
You will hear 3 rapid beeps every 30 seconds to indicate
that mute is on.
Push on the “+” and “–” buttons to adjust
listening volume in minor incremental
adjustments.
Use listening volume major adjust
control on the back of the base for large
incremental adjustments.
NOTE:
1 is the loudest setting.
4 is the lowest setting.
NOTE: Be sure to set your telephone’s volume at the mid range before adjusting the SupraPlus ™
Wireless volume.