AMX Optima AVS-OP-1616-110 Instruction Manual page 129

DVI Input/Output Boards
Reading and Saving EDID Data from a Destination Device
Tip: The Save button in the EDID Programmer can be used to save the EDID information as an
.edid file, which can be opened as a text file (click the Open button) and edited or opened and
written to an input (click the Write button).
To read and save EDID data:
1.
On the PC, open the EDID Programmer (FIG. 95 on page 123).
2.
Connect a DVI cable to the PC using the PC's spare monitor port.*
3. Connect the open end of the DVI video cable to the destination device (typically a monitor) from
which the EDID information needs to be read.
4. Click the Refresh Display List button to update the Available Displays drop down list.
5.
From the Available Displays drop down list, select the destination device from which you need to
read the EDID.
6. Click the Read button to read the EDID information. The results display in the read-only area.
7.
Click the Save button (select location, enter file name, and click Save).
8.
Disconnect the DVI cable from the PC and from the destination device.
Figure 93 * If your laptop has an HD-15 (VGA) port, you can use a DVI-to-VGA cable to connect the laptop's
HD-15 video port to a DVI cable attached to a destination device's DVI port. Alternatively, use the
following combination of adapters with a DVI-D cable to connect the laptop to the destination device:
Note: This setup of adapters and DVI-D cable will pass EDID information but will not pass video signals.
PC or
Laptop
FIG. 93
Connecting an HD-15 (VGA) port to a DVI port
Writing EDID Data to an Optima DVI Input Connector:
To write EDID data to the EDID chip for an input connector:
1.
Attach a null modem serial cable without hardware flow control to the serial port (DB-9) on the
Optima. Use a serial cable that matches the pin diagram in FIG. 94 for RS-232. AMX AutoPatch
equipment uses pins 2, 3, and 5 only.
FIG. 94
RS-232 pinout
2. Attach the open end of the serial cable to the PC that the EDID Programmer will be opened on.
122
Female VGA (HD-15) adapter
to Male DVI-I adapter
Male DVI-D to
DVI-I Female to
DVI-Female adapter Male DVI-D cable
Destination
Device
Optima Instruction Manual