VAC-2000UHD / 4000UHD User’s Guide
43
10 Troubleshooting
In case this device does not work correctly, please check the following items first.
•
Are this device and the connected devices turned on normally?
•
Are cables connected correctly?
•
Are there no loose connections?
•
Are cables that are appropriate to this device being used?
•
For 4K format, is an 18 Gbps ultra-high-speed cable used?
•
Are signal specifications of connected devices matched to each other?
•
Are settings of the sink device correct?
•
Are there any close objects that may cause noise?
If the problem still cannot be solved, check the items in the table below. Please refer to manuals of connected
devices as well, since they may possibly cause the problem.
Problem
Check item
Page
● Video output
Video is not output
[1] Verify that the EDID resolution setting of the VAC is set to the
input resolution supported by the display device.
・
The EDID resolution is set to 1080p by default, but some TVs do
not support that resolution.
・
If the EDID resolution is set to 1080i, the video may not be output
to the display device that does not support the interlaced
signals.
・
Some monitors for PCs do not support the resolutions for TVs.
Some
LCD TVs do not support PC resolutions (VGA to QWXGA).
20 [ F10 ]
[2] Does “SIGNAL LED” of the front panel light?
If the “SIGNAL” LED lights, check [3] to [8]; if the LED turns off,
check [9] and [11].
[3] Does the input signals authenticate HDCP?
Check the input HDCP authentication.
1.4: Signals protected by HDCP 1.4.
2.2: Signals protected by HDCP 2.2.
oFF: Signals whose copyright is not protected.
35 [ L03 ]
[4] Does the sink device support HDCP?
Check the HDCP supporting status.
If the check result is different from that of [3], video is not
displayed. Please note the HDCP supporting status depends on
each connecter of the sink device.
“oFF” or “- - -”: The resolution of the sink device may not be
supported; check the specification of the sink device.
If the video does not required HDCP, you can also disable HDCP
output to the source device by setting the VAC.
38 [ L90 ]
31 [ C01 ]
