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Installation and Setup
32
DGX Transmitters & Receivers Instruction Manual
DGX DVI TX – Indicator LEDs at Initial Power Up
For information on restoring the TX default settings on power up, see page 71.
DGX HD-15 TX Only – Check and Set Switch for Video Signal Type
When the DGX HD-15 TX is powered up, it is normally in Auto mode and will detect whatever type of
signals are coming from the source device. The Sync Set dip switch on the rear must be set to
position A (down) or position B (up) to match the type of incoming video signal. The default setting is
the Sync Set switch in position A.
To check type of video signal DGX HD-15 TX is receiving and set Sync Set dip switch:
1.
Check the Video Type LED indicators on the front of the TX.
If the RGBHV, RGBS indicator is green, the Sync Set dip switch can be either in position A or B.
If the Y/P
B/PR, RGB indicator is green, the toggle switch must be in the correct position for the
specific signal (to determine setting, see the table below).
2. Set the Sync Set dip switch to position A (down) or B (up) according to the type of incoming signal.
3. Cycle power.
Note: The dip switch can be set to either A or B for RGBHV or RGBS signals.
Note: If the video cable is disconnected (or the source signal is turned off), the illuminated Signal
Type LED will turn off. If the cable is reconnected (or the source signal is turned back on), the
indicator will turn green again.
RX – Attaching Signal Cables
Check When Fastening Fiber Cable:
Ensure that there is no dust or debris on the exposed ends of the fiber cable.
Ensure that the fiber cable connectors seat firmly into the module’s fiber connector. Normally
an audible click is heard when a connector engages.
Caution: Do not severely bend or kink the fiber cable. Irreversible damage can occur. The bend
radius for AMX fiber cables is 2 inches (5 cm).
TX LED Normal State Indicates
Power Constant red
Constant green
Initial application of power (red for a brief time only)
Power is in an operational state
Video Constant green A video signal is present through TX
Audio Constant green An audio signal is present through TX
EDID Off EDID is in Write-Protect mode (EDID switch on rear is flipped down)
Signal Type Sync Set Switch
Position A (down)
Sync Set Switch
Position B (up)
Y/Pb/Pr
RGsB
RGBS 
RGBHV 