II
1. Put on headset. Refer to your headset's User Guide to
adjust the microphone position for best performance.
2. Lift the phone's handset off the cradle and place it on your desk.
3. Make sure your Switcher amplifier settings are in default.
See page 3 for details.
4. Call a friend or colleague.
5. Adjust the Incoming Volume using the Incoming Volume
Thumbwheel. Refer to page 10 for more details.
6. Adjust the Outgoing Volume Control until the person on
the other end can hear your voice at an appropriate level.
See page 11 for more details.
7. If your friend cannot hear you, or you hear a buzz or hum,
try changing the Compatibility Switch. See page 4 for
more details.
8. Try activating the Mute function by depressing the
Microphone Selection Switch (red indicator showing).
Release the Microphone Selection Switch (no red
indicator showing) to deactivate the Mute function.
See page 12 for more details.
9. If you plugged your Switcher amplifier into an AC power
source, try unplugging the Power Supply. If you lose
power, your phone model requires AC power for your
Switcher amplifier. Plug the amplifier into the AC power
source again.
e n g l i s h
M A K E A T E S T C A L L .
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