21
Video Malfunctions
No picture and no sound
1. Check whether the device is in active mode.
2. Check whether the signal wire is plugged in securely, using the correspon-
ding INPUT.
3. If in internal computer mode, check whether internal computer is running.
With horizontal or vertical
1. Check whether signal wire is securely connected.
stripes or image distortion
2. Check whether other electronic equipment or power tools are placed
around the device.
No color, color is weak or
1. Adjust color and brightness or contrast in menu.
image is weak
2. Check whether signal wire is securely connected.
Audio Malfunctions
1. Check whether mute button is pressed for mute.
Image but no sound
2. Press VOL. + / - to adjust volume.
3. Check whether audio line is connected correctly.
1. Adjust sound balance in menu.
Only one speaker has
2. Check whether computer sound control panel only sets up one sound
sound
channel.
3. Check whether the audio line is connected correctly.
VGA output without sound 1. Check whether an external device is connected via the headphone jack.
