MaxTech XT4862 user manual Troubleshooting, Appendix a Specifications

8.Contrast Control: Adjusts the contrast. Turn clockwise to increase the contrast.

9.Brightness Control: Adjusts the display brightness. Turn clockwise to increase the brightness.

Section 4 - Troubleshooting

No picture, power indicator off

•Check AC cord is plugged into outlet and monitor.

•Turn on the power switch.

No picture, power indicator green.

•Check that video cable is connected completely.

•Adjust brightness and contrast controls.

•Turn the computer on.

No picture, power indicator amber.

•Monitor is in DPMS power-saving mode. Press a key or move the mouse to restore the screen.

Image is not centered

• Adjust Vertical Position and Horizontal Position controls.

Appendix A - Specifications

Picture Tube	Size	14-inch diagonal
	Dot pitch	0.28mm
	Surface treatment Non-glare
Bandwidth	65MHz
Data Area	9.76 x 7.20 in.
Display mode
Mode	Resolution	V. Frequency	H. Frequency
VGA I	640 x 350	70 Hz	31.47 KHz
VGA I	640 x 400	70 Hz	31.47 KHz
VGA I	640 x 480	60 Hz	31.47 KHz
VGA II	640 x 350	84 Hz	37.86 KHz
VGA II	640 x 400	84 Hz	37.86 KHz
VGA II	640 x 480	72 Hz	37.86 KHz
SVGA	800 x 600	60 Hz	37.88 KHz
SVGA	800 x 600	72 Hz	48.09 KHz
Ultra VGA	1024 x 768	60 Hz	48.37 KHz
Synchronization	Horizontal:	30-50 KHz
	Vertical:	50-90 Hz

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