Operation - Extron electronics Distribution Amplifiers DVI DA4 Plus User Manual

Operation

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When a DVI video source boots up it normally communicates
with the output device using the bi-directional Extended
Display Identification Data (EDID) communication protocol.
The output device then produces a signal with a resolution that
is compatible with the output device.
Extron's EDID Minder feature maintains continuous EDID
(Extended Display Identification Data) communication with
the attached source and ensures that the DVI source powers
up correctly and maintains a proper video output, even if the
display is off or when a new monitor is connected to the output.
When the distribution amplifier is powered on, it automatically
scans all detectable outputs, selects the device with the lowest
native resolution and passes the EDID information of that
device to the input device.
If no output displays are connected, the distribution amplifier
provides the EDID information stored from the last display to
which it was connected. If no output device has previously been
connected to the unit, or the unit has been set to the factory
default, it uses the factory default resolution (1024 x 768).
DVI DA Plus Series • Installation and Operation
Connect the captive screw connector from the supplied
12 VDC power supply into the power receptacle on the
rear panel. Do not power on the power supply yet.
Connect the source device to the DVI input receptacle on
the rear panel.
Run cables from the display device(s) and connect them to
the DVI output receptacles on the rear panel.
Power on the display device(s).
Power on the distribution amplifier. The LED will light
amber to show that the unit is receiving power.
Power on the input device.
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