VIEWSONIC PJD7383 - Manual (Page 24)

Connection 20
ensure a quality use of the wireless microphone, it is recommended that your
microphone conforms to the specifications listed in the table below.
• There are two ways to adjust microphone volumes.
• 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.)
• 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.
Signal Parameter Min Type Max
Microphone
Transducer Principle Dynamic
Impedance 300 1K ohm
Frequency response 600 16k Hz