Rose Electronics CrystalView DVI Mini - Manual (Page 23)

TROUBLESHOOTING
CrystalView DVI Mini Installation and Operations Manual 19
Troubleshooting
Video
Diagnosis Possible Reason Possible Solution
Power LED off Power supply Check power supply units and
the connection to the mains.
Link Status
LED off Connection between
Transmitter and Receiver
unit Check the CATx cable and
connections
Video OK LED off
(Transmitter)
No video signal detected
From the source Check DVI-D cable to CPU.
Download DDC information from
monitor
Reboot CPU if necessary
Video OK LED off
(Receiver)
No monitor detected Check connection, length and
quality of the DVI-D cable to
monitor, tighten cable
thumbscrews
No video signal detected
from CPU Unit Check connection, length and
quality of interconnect cable
between the units.
Download DDC information from
monitors.
Reboot CPU if necessary
Suboptimal transmission
parameters
Execute Auto-Adjust
manually adjust monitor
resolution
USB-HID
USB Status
LED off
(Transmitter) No USB connection to the
computer Check connection of USB cable
to CPU, select another USB port
if necessary.
Remove USB and power cable
and restart CPU. Connect power
cable first.
USB Status
LED off
(Receiver) Check USB connection Check connection of USB cable to
USB-HID device.
Remove DVI and power cable and
restart CON Unit. Connect power
cable first.
USB device does
not function USB-HID device is not
supported Contact tech support if necessary.