AMX AXB-PCCOM AXLINK TO PC COMMUNICATIONS PORT INTERFACE Instruction Manual download pdf (Page 49)

Troubleshooting

VTM-D15/A 15" MultiMedia Touch Panel Systems

Troubleshooting

Display Troubleshooting

Match the symptom below that best describes your problem.

Troubleshooting

No Picture/LED Power Indicator is not lit • Check that there is electrical power coming from the power

outlet. Use another device that you know works to check for

power.

• Check that the power cord is properly connected to the power

adapter.

• Check that the power adapter is properly connected to the

display.

• Check that the power switch of display is turned on.

No Picture/LED Power Indicator is orange • Check that the video signal cable is properly connected.

• Check that the power switch of your computer or video source is

in the “ON” position.

• Ensure the computer is not in power saving mode. (Move the

mouse or press a key on the keyboard to wake up the

computer.)

Text is not solid • Change the resolution of the video signal to 1024 x 768 and

press the AUTO button on the front of the panel to run the auto

adjustment feature.

• Adjust the Clock and Phase in the OSD menu to fine tune.

• Adjust Sharpness in the OSD menu.

Screen image is not centered/some

lines are missing

• Adjust H. Position and V. Position to fine tune.

• Press the AUTO button on the front of the panel to run the auto

adjustment feature.

Red, Green, Blue, or Black dots on

the screen

• Some stationary “always ON” red, green, or blue dots may

appear on the monitor. These are called bright pixels and can

happen with any LCD panel.

Panel doesn’t respond to my touches • The protective cover acts to press on the entire LCD and makes

calibration difficult because the user can’t calibrate on specific

crosshairs when the sheet is pressing on the whole LCD.

• Verify that the protective laminate coating on the LCD is removed

before beginning any calibration process.

Panel doesn’t accurately reflect my touch

points

• Rather than using a touch pen (or something with a fine point),

try using the tip of your finger (covers a larger area than a touch

pen).

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