the blue intensity, The (-) button decreases the blue intensity.

13.Rotation Control (rear of unit) Adjusts display tilt.

*Dual function controls. Use the Dual-Function Toggle (7) to switch between Function Group A and Function Group B.

Section 4 - Troubleshooting

No picture, power indicators A, B, C off

Check AC cord is plugged into outlet and monitor.

Turn on the power switch.

No picture, power indicators A, B, C on.

• Adjust brightness and contrast controls.

No picture, power indicator A off, indicators B and C on.

Monitor is in DPMS “SUSPEND” mode. Press a key or move the mouse.

No picture, power indicators A and B off, indicator C on.

Monitor is in DPMS “OFF” mode. Press a key or move the mouse.

Check that video cable is connected completely.

Image is not centered

• Adjust Vertical Position and Horizontal Position controls.

Appendix A - Specifications

Picture Tube

Size

15-inch diagonal

 

 

Dot pitch

0.28mm

 

 

Surface treatment

Anti-glare

 

Bandwidth

75 MHz

 

 

Data Area

11.125 x 8.5 in.

 

 

Display mode

 

 

 

Mode

Resolution

V. Frequency

H. Frequency

VGA

640 x 350

70 Hz

31.47 KHz

VGA

640 x 400

70 Hz

31.47 KHz

VGA

640 x 480

60 Hz

31.47 KHz

VGA

640 x 350

84 Hz

37.86 KHz

VGA

640 x 400

84 Hz

37.86 KHz

VGA

640 x 480

72 Hz

37.86 KHz

MAC-II

640 x 480

67 Hz

35.00 KHz

8514A

1024 x 768

87 Hz

35.52 KHz

SVGA

800 x 600

56 Hz

35.16 KHz

SVGA

800 x 600

60 Hz

37.88 KHz

6

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MaxTech XT5988 user manual Troubleshooting, Appendix a Specifications