Key Digital KD-FIX418 Operating Instructions Manual page 6

4k/18g hdmi fixer, booster, buffer of edid, hdcp, hot plug, 18g to 10g enc/dec
Table of Contents

Advertisement

8
Control Rotary:
Choose the desired setting for hot plug detection control,
bandwidth compression/decompression, and boost mode.
Power cycle unit after changing settings.
Forced HPD On/Bypass
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 source
not detecting a display/sync device and not outputting a signal. A display device may
also not detect a connected source in cases of failed hot plug detection.
If set to On, Hot Plug Detection (HPD) voltage is forced at the HDMI input connection
of the KD-FIX418. The connected source device will be fed a constant voltage to
inform the device that a partner (output/display) is always connected and active.
If set to Bypass, Hot Plug Detection (HPD) voltage is bypassed from connected output/
display to the input/source
Bandwidth Compression
KD-FIX418 can be set to compress or decompress the TMDS (audio and video) signal
enabling 18Gbps video signals to be extended via legacy 10.2Gbps cabling.
IMPORTANT: COMPRESSION/DECOMPRESSION REQUIRES
TWO (2) KD-FIX418 UNITS
One (1) unit set to Compression mode (typically at video source)
»
One (1) unit set to Decompression mode (typically at video display)
»
Modes
Bypass: No compression applied
Auto Compress
Compresses 18Gbps video signals to 10.2Gbps.
»
Must be paired with 2nd KD-FIX418 unit to decompress signal for acceptance by
»
video display
No compression applied to ≤ 10.2Gbps signals
»
Compress
Compression applied to all signals (18Gbps, 10.2Gbps, <10.2Gbps)
»
Resultant signal bandwidth is ½ original signal bandwidth
»
Must be paired with 2nd KD-FIX418 unit set to Decompress mode for acceptance
»
by video display
Decompress/ Auto Down-Convert
Decompress: Restores compressed signal to 18Gbps for acceptance
»
by video display
Must be paired with 2nd KD-FIX418 unit set to Compress mode
»
Auto Down-Convert: Down converts all signal > 10.2Gbps
»
Resultant down-converted signal is 4K@60 [4:2:0] 8bit (10.2Gbps)
»
Down-convert mode works independently.
»
Does not require 2nd KD-FIX418 unit.
Input Boost
When set On, EQ levels of the HDMI input are set HIGH
Slightly degraded signals (ie pixel loss, flickering image) may be resolved
Severely degraded signals may be improved, but may not be completely resolved
Use shorter length HDMI cables for best results
»
Maximum one active/directional HDMI cable may be used.
»
KD-FIX418 should be installed at display side for these instances
»
9

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the KD-FIX418 and is the answer not in the manual?

Table of Contents