Key Digital 4x4 UHD 4K Multiview Presentation Matrix Switcher User Manual
Page 16
521 East 3
rd
Street Mt. Vernon, NY 10553 • www.keydigital.com
Rev 1.2
– Apr, 2022
16
IR In:
•
Connect the included IR sensor to collect line-of-
sight IR from your device’s remotes
•
Pinout: Tip = IR in/out signal, Ring = +5V sensor power, Sleeve = Ground
•
By default, this port is not active. You must set the respective IR In/Out port on KD-MLV4x4Pro to IR
Input for this port to work.
•
The
KD-EXMLVRx
IR Input port supports the
IR Sensor only
. Serial / hard-wired IR input not
supported.
•
Only the provided IR Sensor should be used. Third-party sensors may not be compatible and/or may
result in damage
•
The included IR Sensor Receives signals from a 90° angle at up to 30 ft. away.
•
Maximum supported IR burst frequency is 55kHz.
•
RS-232 extension is not supported.
LEDs
Power (
Blue
)
•
Solid illumination during power on state, as
provided by healthy connection with power
supply and healthy PoC extension.
•
Steady blink if unit has a power short
Link (
Blue
)
•
Solid illumination from healthy UHDoTP link
between Tx and Rx units
Video (
Red
)
•
Illumination with active TMDS (video +
audio) signal
•
Off with no TMDS (video + audio) signal
Live (
Amber
)
•
Steady blink from healthy unit CPU state
HDMI Link (
Blue
)
•
Solid illumination from active Hot Plug
Detection voltage with connected
display/output device
Forced HPD Slide Switch:
In cases of many layers of connectivity or non-standard devices in-line, hot plug
detection (HPD) may be lost or drop below standard levels, leading to the video display not detecting a
connected source and resulting in no image.
•
If set to ON, Hot Plug Detection (HPD) voltage is forced at the HDMI connection of the Rx unit. The
connected display will be fed a constant voltage to inform the device that a partner is always connected
and active.
•
If set to OFF, Hot Plug Detection (HPD) voltage is passed thru from connected source to the display
FW (firmware) USB:
•
Micro USB port
•
Used for firmware updates (consult with Key Digital tech support before updating firmware)
o
Note:
After updating firmware, all unit settings are restored to defaults except IP information.
Please collect all customized settings info before loading firmware.