Digimate DGL2700 manual Troubleshooting, Symptoms, Check Items, No picture, Unclear picture, Noise

Troubleshooting

Read the manual thoroughly to operate the Display properly. If the problem persists and you cannot correct the problem, stop using the Display and contact your dealer or the nearest service center for further assistance.

SYMPTOMS	CHECK ITEMS
	 Make sure the power cord is firmly plugged in the
No picture	socket.
	 Make sure the power switch is turned on.
a) Power indicator does not light
	 Make sure the AC socket has power.
up.	 Check if the remote control if it works and the batteries
	still have power.
No picture	 Make sure the Display is ON
	 Check if the signal cable is properly connected.
b) Power indicator is green.
	 Increase the Contrast and/or Brightness.
	 The Display is on power saving mode, press a key on
No picture	the keyboard or move the mouse.
c) Power indicator is red.	 Make sure the Display is ON.
	 Make sure the signal cable is properly connected.
Unclear picture, Noise	 Make sure the TV signal is received or cables are
	properly connected.
	 Make sure the audio cables are properly connected.
	 Make sure that a headphone is not connected.
No Sound	 Make sure Mute is not set.
	 If picture is received, adjust the TV system setting
	correctly.
Display is too dark or too bright.	 Lower the Contrast and Brightness from the OSD or
	input device.
Display is not in the center.	 Adjust the image position using H-position or V-position
	in OSD.
Display vibration.	 Check if the power voltage is within the specifications.
	 Check if the signal cables are properly connected.
After-image remains after	 This is a characteristic of a liquid crystal display (LCD),
	it is not a malfunction and will disappear after a few
turning TV off.
	minutes.
Distorted image.	 Make sure the aspect ratio is set properly.
Purple image	 Check if the Proper signal type option is set:
	Component or RGB.
Out of Range	 Check if the input signal is supported by the Display.

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