521 East 3
rd
Street Mt. Vernon, NY 10553 • www.keydigital.com
Rev 1.0
– Oct, 2022
7
Service USB Port
•
Micro USB port
•
Used for firmware updates (consult with Key Digital tech support before updating
firmware)
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-
X444SP
’s capabilities.
•
Although it is not necessary, power cycling the Tx unit and HDMI source may help the detection of the
newly selected handshake.
