Epson powerlite 1700c 사용자 설명서

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Try adjusting the 

Volume

 setting in the Setting menu (see 

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If you’re using a VCR or other video source, make sure the 
volume is not turned all the way down or muted. Also, make sure 
the cables are connected correctly, as described on page 40.

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If your presentation includes computer audio, make sure the 
volume control on your computer is not turned all the way down 
or muted. If you’re using the audio cable, make sure it is securely 
connected to both the projector and your computer’s 

headphone jack or 

 audio out jack.

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Make sure the Windows volume controls on your computer are 
not turned all the way down or set to Mute. You may be able to 
check this by clicking the volume control in your Windows 
system tray (lower right corner of the screen).

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Make sure the Mac volume controls are not turned all the way 
down. You may be able to adjust the volume from your menu bar 
(top right corner of the screen) or via the volume control function 
keys. 

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The remote control’s batteries may not be installed correctly or 
may be low on power. To change the batteries, see page 26. 

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Make sure you are within about 20 feet (6 meters) of the projector 
and within range of the projector’s front or back sensor 
(approximately 30° to the left or right and 15° above or below).

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Dim the room lights and turn off any fluorescent lights. Make 
sure the projector is not in direct sunlight. Strong lighting, 
especially fluorescent lights, may affect the projector’s infrared 
receivers. Also, turn off any nearby equipment that emits infrared 
energy, such as a radiant room heater.