BenQ CRT Television Digital Projector User Manual

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Connection 19
Once connected, the audio can be controlled by the projector On-Screen Display (OSD)
menus. See "Audio Settings" on page 45 for details.
The table below describes the connection methods for different devices, and where the
sound is from.
The projector can play sound if the connected RJ45 cable or USB cable carries audio signal. There is no need
to connect the audio cable when the USB Display or Network Display source is selected.
About the microphone input
• If you wish to use a microphone, connect a 3.5 mini jack cable microphone to the
projector.
• You can use a wireless microphone as long as a wireless module is attached to the
projector’s microphone input jack and it works well with the associated devices. To
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.
•Press MIC/VOL keys (+/-) on the remote control.
• To make the microphone input available when the projector is in standby mode, turn
on the SYSTEM SETUP: Advanced > 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.
Device
PC/Component Video Video/S-Video Microphone
Audio input port
AUDIO IN 1/AUDIO IN
2
AUDIO (L/R)
MIC
The projector can play
the sound from...
AUDIO IN 1/AUDIO IN
2/MIC
AUDIO (L/R)/MIC
• MIC
• AUDIO IN 1/MIC
• AUDIO IN 2 (L/R)/
MIC
Audio output port
AUDIO OUT AUDIO OUT AUDIO OUT
The selected input signal determines which sound will be played by the projector speaker, and which sound
will be output from the projector when AUDIO OUT is connected. If you select the COMPUTER 1/
YPbPr 1 signal, the projector can play the sound received from AUDIO IN 1/MIC. If you select the
COMPUTER 2/YPbPr 2 signal, the projector can play the sound received from AUDIO IN 2/MIC.
Signal Parameter Min Type Max
Microphone
Transducer Principle Dynamic
Impedance 300 1K ohm
Frequency response 600 16k Hz

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