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M A K E A T E S T C A L L .
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 chang- ing the Compatibility Switch. See page 4 for more details.
8.Try activating the Mute function by depressing the Microphone Selection Switch (colored indicator showing). Release the Microphone Selection Switch (no colored 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 | 7 |