IN3144_IN3146_IN3148HD User’s Manual
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Audio
Press the Menu button to open the OSD menu. Press the ◄► buttons to move to the Settings 1
menu. Press the ▼▲ buttons to move to the Audio menu and then press (Enter) or ►. Press the
▼▲ buttons to move up and down in the Audio menu.
ITEM DESCRIPTION
Volume Press the ◄► buttons to enter and adjust the audio volume.
Mute Press the ◄► buttons to enter and turn on or off the speaker.
MIC
Press the ◄► buttons to enter and turn MIC Mode Off or On.
Note: MIC can only be turned on when a MIC is plugged in. Please connect a 3.5Ø
mini jack cable microphone to the projector and condenser microphone is
recommended to use as below.
Microphone
Transducer principle condenser
Impedance 600ohm~ 2.2Kohm
Frequency 100Hz~16KHz
Output
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