ViewSonic VS13339VS13340 User Manual page 24

ensure a quality use of the wireless microphone, it is recommended that your
microphone conforms to the specifications listed in the table below.
Signal
Microphone
• There are two ways to adjust microphone volumes.
•
•
• To make the microphone input available when the projector is in standby mode, turn on
the SYSTEM SETUP: Basic > Standby Settings > Microphone menu.
• If the microphone is not working, check the volume setting and cable connection.
• You might get feedback noise from the microphone when you are too close to the
speaker of the projector. Move the microphone away from the speaker of the projector.
The greater volume you require, the greater distance you need to be away from the
speaker to prevent the noise.
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Parameter
Transducer Principle
Impedance
Frequency response
Directly set microphone volume levels in the SYSTEM SETUP: Advanced > Audio
Settings > Microphone Volume menu.
Set projector volume levels in the SYSTEM SETUP: Advanced > Audio Settings >
Volume menu, or press Volume keys (+, -) on the remote control. (The projector
volume setting will affect the microphone volume.)
Min Type Max
300 1K
600 16k
Dynamic
ohm
Hz