BenQ MX722 MX722 User Manual - Page 18

About the microphone input, SYSTEM, SETUP: Advanced, Audio Settings, Microphone Volume - projector specification

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The table below describes the connection methods for different devices, and where the sound is from. Device PC/Component Video Video/S-Video Microphone Audio input port AUDIO-IN-1/AUDIOIN-2 AUDIO (L/R) MIC The projector can play AUDIO-IN-1/AUDIO- the sound from... IN-2/MIC AUDIO (L/R)/MIC • MIC • AUDIO (L/R)/MIC • AUDIO-IN-1/MIC • AUDIO-IN-2/MIC Audio output port AUDIO-OUT AUDIO-OUT AUDIO-OUT The selected input signal determines which sound will be played by the projector speaker(s), and which sound will be output from the projector when AUDIO-OUT is connected. If you select the COMPUTER 1/Y Pb Pr 1 signal, the projector can play the sound received from AUDIO IN 1/MIC. If you select the COMPUTER 2/Y Pb Pr 2 signal, the projector can play the sound received from AUDIO IN 2/MIC. 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 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. Signal Microphone Parameter Transducer Principle Impedance Frequency response Min Type Max 300 1K 600 16k Dynamic ohm Hz • To adjust microphone volumes, directly set microphone volume levels in the SYSTEM SETUP: Advanced > Audio Settings > Microphone Volume menu. • To make the microphone input available when the projector is in standby mode, turn on the SYSTEM SETUP: Advanced > Standby Settings > Microphone function. • 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(s) of the projector. Move the microphone away from the speaker(s) of the projector. The greater volume you require, the greater distance you need to be away from the speaker(s) to prevent the noise. 18 Connection

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Connection
18
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
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.
•
To adjust microphone volumes, directly set microphone volume levels in the
SYSTEM
SETUP: Advanced
>
Audio Settings
>
Microphone Volume
menu.
•
To make the microphone input available when the projector is in standby mode, turn
on the
SYSTEM SETUP: Advanced
>
Standby Settings
>
Microphone
function.
•
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(s) of the projector. Move the microphone away from the speaker(s) of the
projector. The greater volume you require, the greater distance you need to be away
from the speaker(s) 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 (L/R)/MIC
• AUDIO-IN-1/MIC
• AUDIO-IN-2/MIC
Audio output port
AUDIO-OUT
AUDIO-OUT
AUDIO-OUT
The selected input signal determines which sound will be played by the projector speaker(s), and which
sound will be output from the projector when
AUDIO-OUT
is connected. If you select the
COMPUTER
1/Y Pb Pr 1
signal, the projector can play the sound received from
AUDIO IN 1
/
MIC
. If you select the
COMPUTER 2/Y Pb Pr 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