ViewSonic PJ750 User Manual page 20

Projector does not respond to the remote control (or responds poorly)
• Make sure you are within 10 feet from the projector.
• Point the remote at the screen or at the front of the projector.
• Make sure the infrared sensors (on the front and on the back) of the projector are not blocked.
• Darken the room. The lighting may be affecting the remote control.
• Replace the battery.
No sound
• Adjust the Volume and make sure the Mute button is toggled to OFF.
• Verify that the audio input is properly connected.
• Adjust the audio source device.
No video
• Check the video input connections.
• Adjust the Brightness.
A bright dot appears in the picture
• This is a characteristic of liquid crystal technology and is usually not a problem.
ViewSonic PJ750 17
E
N
G
L
I
S
H