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USER MANUAL - DUX-SRX
100-METER 4K HDBASET SCALING RECEIVER
TROUBLESHOOTING
1. Why the Power LED is off?
• Check that all the devices are on.
• Check that all the cables are qualified and connected properly.
2. Why the Link LED is off or blinking?
• Check that all the devices are on.
• Check that all the cables are qualified and connected properly.
• Check that the CatX cable used complies with the recommended specifications.
For more information, see CABLE SPECIFICATIONS.
3. Why the display connected to DUX-SRX shows no picture?
• Check that all the devices are on.
• Check that all the cables are qualified and connected properly.
• Check that the Link LED is steady on. For more information, see Q2 above.
• Check that the display works properly, and that the source device has normal
signals output.
• Ensure that the display device supports HDCP.
• Ensure the CatX cable and the HDMI cables used complies with the recommend-
ed specifications. For more information, see CABLE SPECIFICATIONS.
• Check that your display device is switched to the correct source input mode.
• Check that no compatibility issue exists between DUX-SRX and the display. If so,
replace the display with other models.
4. Why the display connected to DUX-SRX shows snow or mosaic?
• Check that all the cables are qualified and connected properly.
• Check that Ethernet cables are Cat5e/6 or higher gauge.
• Check that the source input device has no such problem as snow, mosaic or with
a damaged disc. If so, replace with another qualified input source.
• Check that no compatibility issue exists between DUX-SRX and the display. If so,
replace the display with qualified models.
