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2.
Operation
2.1. Power
When building an electronic system, make sure that all of the devices are powered
down before connecting them. Powered on devices may have dangerous voltage
levels that can damage sensitive electronic circuits.
1.
2.
3.
4.
Info
If none of the LEDs light up upon power-up, the unit is most likely damaged and
further use is not advised. Please contact
2.2. Learning an EDID
The factory preset EDIDs cannot be changed by the user. Only addresses from 51
to 99 are user programmable.
1.
2.
After the system is complete, connect the the +5V Power Adaptor to the
DA2DVI-Pro. The unit is immediately powered ON.
After the DA2DVI-Pro is initialized, the attached DVI source and monitor(s)
can be powered on.
After being powered on, the DA2DVI-Pro displays its firmware version using
the EDID Status LED.
The following example shows this process for a firmware version of 1.3.7
RED blinks once → Short pause → GREEN blinks three times → Short
pause → GREEN blinks seven times → Short pause → The normal function
of the LED is in effect.
After indicating the firmware version, the EDID STATUS LED turns green if
the selected EDID is valid, or turns red, if the selected EDID is invalid.
If a display device is connected to DVI OUTPUT 1, the DA2DVI-Pro reads
the EDID from the attached monitor's EDID memory.
If the read process is successful, the GREEN LED blinks a few times then
the EDID Status LED shows whether the selected EDID is valid (green) or
not (red).
If the read process is unsuccessful, the RED LED blinks a few times then the
EDID Status LED shows whether the selected EDID is valid (green) or not
(red).
After connecting the sink device to DVI OUT 1, use a screwdriver to select
the desired memory address. EDID are stored in multiple programmable
non-volatile memories.
If the EDID status LED is illuminated RED, then the memory slot is empty
and ready to be programmed. If GREEN, the memory was already used
before, but still available for programming.
Push the LEARN button on the front side of the DA2DVI-Pro and hold it
down for approximately 3 seconds.
Once the button is pushed the EDID status LED goes dark. If the storing was
successful, the GREEN EDID status LED blinks five times and stays
illuminated. If the store process was unsuccessful, the RED EDID status
LED blinks five times and stays illuminated either red or green, depending on
the status of the selected EDID.
User's Manual Rev. 1.3
support@lightware.hu
DA2DVI-Pro
Page 15 / 43
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