Hall Research UD2A-EDID-S - Manual (Page 7)

DVI Extender with EDID, Audio & Serial Control
5
OUTPUT DVI Connector into the “EMULATE LEARNED” memory and
save it for future use.
Use the EDID ROUTING button and select which device you desire to
LEARN; either the DVI-LOCAL or UTP-REMOTE.
Press the LEARN button for 3 seconds; the EMULATE LEARNED LED
will begin to flash to indicate that LEARN mode is in progress.
When the unit has successfully completed LEARNING the EDID of the
selected device; the UD2A-EDID-S unit will sound 2 short beep tones. A
long tone is sounded to indicate an error occurred.
Programming the EMULATE DEFAULT position can only be done
through serial commands or the GUI software.
The Output Boost buttons are used to enable or disable the DVI output
signal boost.
UD2A-EDID Front Panel
4.2 RS-232
The UD2A-EDID-S can be controlled via a serial device. From the serial
port, you have full control over the operation of the front-panel buttons
plus many more capabilities. Terminal emulator or ASCII software is
required. An example is Microsoft Windows
 HyperTerminal (generally
found in the START->Programs->Accessories->Communication folder)
Note on RS-232 port availability on your PC
Most PCs and notebooks do not have a
serial port. So to program the Switch you
may need a USB to RS-232 Serial
converter. These are available from Hall
Research (Model USB-RS232-1).