Z Microsystems 21 Bedienungsanleitung PDF herunterladen (Seite 17)

1727-0045UM REV B Issued 02/12

TROUBLESHOOTING

No Main Display Image

If the cable from the computer to the display is secure, determine the color of the standby LED and follow the appropriate procedure below.

Black - Cause: If the status LED is black (unlit), the unit is on standby or is not receiving power.

Recovery:

• Press and hold standby button.

• Ensure the power cable is plugged into the source.

• Connect the power cable to a AC outlet. Ensure the AC outlet is active.

• Turn on the display’s backlight by pressing the standby button.

Amber - Cause: If the status LED is amber, there is power but no video signal is being received.

Recovery:

• If Video 1 or Video 2 is selected, ensure there is a video signal coming into the selected channel.

• Ensure there is a video signal coming from the computer.

• Be sure the channel type is set correctly for the video signal that is provided by the graphics card. Confirm that the display is setup to analog or digital

and verify the outgoing signal from the host computer matches this signal type.

Green - Cause: When the status LED is green, there is both power and a video signal. If there is still no image, follow these recovery steps:

Recovery:

• Ensure the video signal coming from the computer is not a black screen.

• Ensure the Channel Type is selected corresponding to the incoming video signal.

• Ensure the Channel Type under “Configuration” in the OSD menu corresponds to the signal type (i.e. ANALOG or DIGITAL).

• Make sure the right cable is being used for the incoming video signal. DVI-D will not support an ANALOG signal.

• Try a known supported video source resolution and frequency as listed in the Appendix for specifications.

• If these Recovery criteria have been met and the issue is not resolved there is potentially a hardware failure. (Tech Support pg. 20)

Display Image has Poor Color or Brightness (Analog Signal Issue)

Possibe Recovery:

Red, Green, and Blue gains can be adjusted from the Color Balance menu topic within the OSD Main Menu. Best quality color is generally achieved when

red, green, and blue gains are balanced and all at similar levels. In the Picture Adjust submenu, ensure “Main Brightness” setting is at a sufcient level.

Display Image Has Vertical Bars (Analog Signal Issue)

Possibe Recovery:

If the main image begins to display vertical bars, adjust the “Horz Coarse”. From the Main Menu, use the ‘+’ and ‘-’ buttons to highlight the “Graphics

Mode” option. Select the “Graphics Mode” submenu and use the left and right arrow buttons to adjust the screen until the number of bars is reduced.

Continue adjusting one step at a time until the bars are no longer visible.

Make sure that the connectors are seated properly on the back of the display. “Horz Coarse” option is only available for Analog video signals.

Display Image Has Horizontal Bars (Analog Signal Issue)

Possible Recovery:

If the main image begins to display horizontal bars, check that the video input cable is securely attached to the back of the monitor. If this does not resolve

the issue there is a chance the connector cable is damaged or defective. Try replacing the DVI cable with a new one to see if the bars disappear.

5.0 TROUBLESHOOTING THE IDS SERIES

5.1 Troubleshooting Topics

This section will provide information and assistance with the following topics:

• Troubleshooting Topics for the IDS Series

• Frequently Asked Questions about the IDS Series

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