Extron Electronics DVI 104 TX_RX User Guide - Manual (Page 5)

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DVI 104 TX/RX • User Guide
Troubleshooting
Display does not show an image
• Ensure that all plugs and jacks used by the external power supplies are firmly
Normal Position
Adjusted Position
Locking catch Release catch
connected.
If the cable is loose or slips out of the slot easily, move the release catch from its
normal position above the locking catch, to the adjusted position under the locking
catch (see the figure at right). This provides the extra leverage required to keep the
locking catch in place and hold the cable securely.
• Ensure that the green LEDs for both the transmitter and receiver are on.
• Ensure that the correct EDID information has been stored on the transmitter’s
EDID Minder. When using the DVI 104 Tx/Rx for the first time or if the display
device is changed, it is essential to set up the EDID Minder as described in
steps 1-6 of “
Setup and Operation ” on page 3 of this guide.
• Ensure that the source device and output device are powered on and have booted correctly.
• Ensure that the fiber optic cables are connecting the correct ports. A port on the transmitter must be connected to the same
numbered port on the receiver. For example,
port 1 of the transmitter must be connected to port 1 of the receiver.
• Ensure that the fiber optic cable jacks are securely seated.
• Ensure that the transmitter is firmly plugged into the source device and the receiver is firmly plugged into the output device.
• Try resetting the system by unplugging and reconnecting the DVI connectors or the power jacks.
• Try rebooting the computer.
Screen is distorted or displays noise
• Ensure that the cable length does not exceed 500 meters (1,640 feet).
• Ensure that the cables are high quality multimode cable and are terminated with securely fitting plugs.
• Ensure that the graphic resolution is correctly set (see “ Setup and Operation ”).
• View the “Display Properties” of the source device to check the output resolution. The resolution and refresh rate must match the
capabilities of the display device and must not exceed 1920 x 1200 at 60 Hz.
• Try resetting the system by unplugging and reconnecting the DVI connectors or the power jacks.