Bg Zeus2 Glass Helm ZM Display 19 User Manual download pdf (Page 17)

Troubleshooting tips | ZM Series User Manual

Troubleshooting tips

Issue Possible Cause

No picture - red LED ON

LED on continuously indicates no (compatible) video is available

on currently selected source;

Conrm that the correct video input is selected

Check that the video signal cable is properly connected to the

display. Test cable with ‘known good‘ equipment

Check display settings of the video source - ensure the

resolution is supported by the display

Ensure brightness is turned up to a suitable level

No picture - red LED OFF

Make sure power is connected to an appropriate DC voltage

source, and that the fuse is tted or breaker is switched on. After

pressing power button, the red LED should blink as monitor

starts up, followed by momentary display of the logo on the

screen.

Image persistence

Image persistence occurs when a ghost of an image remains

on the screen after the screen image has been changed. Unlike

a CRT monitor, an LCD monitor’s image persistence is not

permanent. To erase an image ghost, turn the monitor o for

several hours. To avoid this condition, do not leave the monitor

displaying the same image unnecessarily, for an extended

period of time

Picture quality & image

stability

Check for video cable condition; is shield intact, and does cable

not exceed maximum distance for video standard

Check the signal source is outputting a compatible resolution at

a supported frequency

Monitor may be receiving incorrect/bad sync signals from

source

Video compromised by interference from other equipment

Low level backlight

Supply voltage has dropped below 10V. Will restore at >11V

Unit has been subject to excessively hot direct sunlight for an

extended period and/or unit enclosure is too hot. Automatic

thermal protection has been enabled

Slight distortion in text

or graphics

Not working in native resolution, where possible adjust the

video source to output correct resolution

Display is present but

“bars” appear or roll

across screen

Ground loop problem between video source and monitor

Video compromised by interference from other equipment

Vertical shaded bars on

screen image

Incoming video may be in 4:3 ratio, either leave in ‘aspect’ mode,

or set to ‘ll’ to use full screen space.

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