MaxTech XT7800 - Manual (Page 7)

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C. Horizontal-Position
Adjusts the horizontal position. The ADJ+ button moves the
display to the right. The ADJ- button moves the display to the left.
D. Vertical-Position
Adjusts the vertical position. The ADJ+ button moves the display
up. The ADJ- button moves the display down.
E. Pincushion
Adjusts the shape of the left and right sides of the display. The
ADJ+ button makes the display sides curve out. The ADJ- button
makes the display sides curve in.
F. Color Adjustment - Red
Adjusts the intensity of the red signal. The ADJ+ button increases
the red intensity. The ADJ- button decreases the red intensity.
G. Color Adjustment - Green
Adjusts the intensity of the green signal. The ADJ+ button
increases the green intensity. The ADJ- button decreases the
green intensity.
H. Color Adjustment - Blue
Adjusts the intensity of the blue signal. The ADJ+ button increases
the blue intensity. The ADJ- button decreases the blue intensity.
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 17-inch diagonal
Dot pitch 0.28mm
Surface treatment Anti-glare/anti-static
Bandwidth 75 MHz