521 East 3
rd
Street Mt. Vernon, NY 10553 • www.keydigital.com
Rev 1.1
– Jul, 2022
8
•
The RX units IR In
supports connection with the included IR sensor only. The incoming IR signal is
output on the Tx unit’s IR Out port.
•
RS-232
control extension:
o
TxD from the Controller connects into RxD of the extender
o
RxD from the Controller connects into TxD of the extender
o
Ground from the Controller connects into Ground of the extender
EDID Management Rotary
Use the EDID rotary if you wish for your source to output a
different video resolution and audio format
•
The default EDID handshake setting is “A” (4Kx2K@60,
18G, HDR, 2ch audio).
•
If setting 0 is selected, the Rx unit collects the EDID
handshake from the connected display and a handshake
is provided to the source that is similar to the EDID file of
the display, but within KD-
X444LP’s capabilities.
•
Although it is not necessary, power cycling the Tx unit and HDMI source may help the detection of the
newly selected handshake.
