NEC DSX WIRELESS HEADSET ADAPTER User Manual page 7

Adjusting the Speaking Volume
To adjust the headset speaking volume:
1. Set the Transmit Slide Switch to position
2. While on a call, adjust the Headset
Microphone Volume Control as required.
Receive Volume
Control and Mute
Receive Slide
Switch
Transmit Volume
.
C
Control
Adjusting the Listening Volume
To adjust the headset listening volume:
1. Set the Receive Slide Switch to position
2. While on a call, adjust the Headset Receive
Volume Control as required.
– The volume control on your headset may
be different than shown.
To mute the headset microphone:
1. Press and release the Headset Receive
Volume Control to mute; Press and release
to un-mute.
Transmit Slide
Switch
2
.
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