g To mute or restore the volume to an auxiliary audio input device
Press the Soft button on your microphone.
The audio input from the device is muted or restored, and the volume of your voice remains the
same.
Using a second microphone
You can purchase a second infrared microphone as a back-up or to use as asecond microphone. For
example, a teacher can use the primary microphone and the students can pass around a second
microphone.
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You can set thestudent microphone so students can’t adjust the volume on their microphone or on
any auxiliary audio input devices. For more information, see Setting your microphone to disable
volume buttons on page 20.
Setting up a second microphone
The SMARTAudio system microphone can transmit on two channels: channel 1 and channel 2.
When you connect a second microphone, you must set it to use the unused channel.
Yourmicrophone mode determines how to set your second microphone to an unused channel.
l In Find Channel mode (default), the microphone chooses an available channel.
l In Assigned Channel mode, the microphone transmits on the channel you assign it.
In Assigned Channel mode, you can set amicrophone to transmit on either channel 1 or channel 2.
g To check the microphone mode
1. If the microphone is turned on, turn it off by pressing the Mute/Power Off button for four
seconds.
2. Turn on the microphone by pressing any button.
3. Observe the microphone status light.
If the microphone status light flashes red once, the microphone is set to Assigned Channel
mode and channel 1.
If the microphone status light flashes red twice, the microphone is set to Assigned Channel
mode and channel 2.
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Usingthe microphone
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