Other Information

Troubleshooting

Perform any adjustments only according to Instruction Manual. If the problem still exists and you cannot correct the problem, stop using the DISPLAY and contact your dealer or service center at (866) 333-3384 for assistance.

SYMPTOMS

CHECK ITEMS

 

Make sure the power cord is firmly plugged in the socket.

No picture

Make sure the power switch is turned on.

a) Power indicator

Make sure the AC socket is OK.

does not light up.

Check if the Remote control if it works or must change its

 

batteries

No picture

Make sure the DISPLAY is ON

b) Power indicator is

Check if the signal cable is properly connected.

green.

Increase the CONTRAST and/or BRIGHTNESS.

No Picture

The DISPLAY is on power saving mode, touch the keyboard or

the mouse.

c) Power indicator is

Make sure the DISPLAY is ON.

red.

Make sure the signal cable is properly connected.

 

Unclear picture,

Make sure the TV signal is received or cables are connected

Noise

well.

 

Make sure the audio cables are properly connected.

No Sound

Make sure the headphone is not connected.

Make sure the “Mute” function is not set.

 

 

If picture is received, adjust the TV system setting correctly.

Display is too dark or

Lower the contrast and brightness from OSD or input device.

too bright.

 

Display is not in the

Adjust the image position using H-position or V-position in OSD.

center.

 

Display vibration.

Check if the power voltage is within the spec.

Check if the signal cables are properly connected.

 

After-image remains

This is characteristic of liquid crystal, it will not cause malfunction

after turns TV off

and disappear after few minutes

Distorted image

Make sure the aspect ratio is set properly.

Purple image

Check if Proper signal type of “Component” or “RGB” setting is

set.

 

Out of Range

Check if the input signal is acceptable for display.

Green, red, blue,

This is characteristic of liquid crystal. It will not cause

white dots on screen

malfunction.

 

Make sure battery’s power or wrong battery orientation.

Remote control

Remove the obstacle between remote control and DISPLAY.

cannot work

Check if one of Key buttons is stuck to cause malfunction.

 

Notice that the distance from DISPLAY.

 

1. User must select the submenu “Set Password” in “Parental

Lost password

Controls” menu from OSD and enter the master password:

3609. Then you can set a new password for confirmation. All

for parental control

old settings in “Parental Controls” menu will not be changed

 

any more.

 

2. You can call service center for master password.

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Digimate DGL3704M manual Troubleshooting, Cannot work