Volume; Mute - Plantronics CS50-R User Manual

LISTENING VOLUME
Rock the headset volume control back and forth to adjust listening volume.
NOTE: Be sure to set your telephone's volume at the mid range before adjusting the
CS50-R volume.
HEADSET MUTE
To mute headset, press the listening volume/mute button straight in. Press again
to unmute.
You will hear 3 rapid beeps every 30 seconds to indicate mute is on.
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