LINK-MI LM-MX42-4K2K User manual

4x2 HDMI Matrix with Audio Extract
LM-MX42-4K2K
VER 1.0

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Thank you for purchasing this product
For optimum performance and safety, please read these instructions
carefully before connecting, operating or adjusting this product.
Please keep this manual for future reference.
Surge protection device recommended
This product contains sensitive electrical components that may be
damaged by electrical spikes, surges,electric shock, lighting strikes,
etc. Use of surge protection systemsis highly recommendedin order
to protect and extendthe life of your equipment.

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Table of Contents
1. Introduction..................................................................... 3
2. Features............................................................................3
3. Package Contents............................................................ 4
4. Specifications....................................................................4
5.Operation Controls and Functions................................... 6
5.1 Front Panel.............................................................6
5.2 Rear Panel.............................................................. 7
6.Remote Control................................................................. 8
7.Application Example.......................................................... 9

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1. Introduction
The 4x2 HDMI Matrix simultaneouslyfour routes HDMI sources to
two HDMI displays. It supports resolution up to 4K2K@50/60Hz
YCbCr 4:2:0 and HDCP 2.2. This product supports audio extract from
output A or output B port to
optical and analog output and can be selected AUTO, COPY and STD
modes EDID control. Flexible control through on-panel buttons, IR
remote control.
2. Features
☆HDMI 1.4b, HDCP2.2/HDCP1.4 and DVI 1.0 compliant.
☆SupportsHDMI resolution the maximum up to 4K2K@50/60Hz
(4:2:0).
☆Supportsdigital and analog audio extract output from output A
or output B.
☆EDID can be selected AUTO, COPY and STD mode via selector on
panel.
☆Supportsanalog audio PCM 2.0.
☆Supportsoptical audio pass-through format including LPCM
2.0/2.1CH, Dolby 5.1, Dolby True HD,Dolby DD+, DTS 5.1, DTS-ES
6/DTS-HDMA 5.1, DTS HD-HRA 5.1.
☆Control is via on-panel Button and IR remote control.

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3. Package Contents
① 1× 4×2 HDMI Matrix with Audio Extract
② 1× 5V/1A Power Adapter
③ 2× Mounting Ears
④ 1× Matrix IR Remote Control
⑤ 1× User Manual
4. Specifications
Technical
HDMI Compliance
HDMI 1.4b
HDCPCompliance
HDCP2.2 and HDCP 1.4
Video Bandwidth
297Mbps
Video Resolutions
480P@60Hz,720P@60Hz,1080P@60Hz,
1080P 3D@60Hz,4K24/30Hz,4K2K@50/60Hz
(4:2:0)
ColorDepth
8-bit, 10-bit, 12-bit
ColorSpace
RGB/YCbCr4:2:0, YCbCr 4:4:4, YCbCr 4:2:2
HDMI AudioFormats
PCM2.0/5.1/7.1CH, Dolby 5.1, DTS5.1, Dolby-
TrueHD,DTS-HD
L/R Audio Formats
Analogstereo2CH
OpticalAudioFormats
LPCM[2.0/2.1]CH, Dolby 5.1, Dolby True HD,
Dolby DD+, DTS

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5.1, DTS-ES6, DTS-HDMA5.1, DTSHD-HRA5.1
ESD Protection
Human-bodyModel：
±8kV (Air-gapdischarge), ±4kV (Contact
discharge)
Connections
Inputports
4×HDMIType A [19-pin female]
1×IRReceiver Window
Outputports
2×HDMIType A [19-pin female]
1×L/R Audioout [3.5mm Stereo Mini-jack]
1×Opticalout[S/PDIF]
Mechanical
Housing
Metal Enclosure
Color
Black
Dimensions
200mm(W)×80mm(D)×16mm(H)
Weight
328g
PowerSupply
Input: AC100~240V50/60Hz, Output:
DC5V/1A
(US/EU standards,CE/FCC/ULcertified)
PowerConsumption
2W (max)
Operating
Temperature
0°C ~ 40°C / 32°F ~ 104°F
StorageTemperature
-20°C ~ 60°C / -4°F ~ 140°F
RelativeHumidity
20~90% RH (non-condensing)

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5.Operation Controls and Functions
5.1 Front Panel
Number
Name
Function description
1
IR
IR receiverwindow
2
OUTA
button
Select the OUT A port input channel,
correspondingthe lightis on.
3
OUTB
button
Select the OUT B port input channel,
correspondingthe lightis on.
4
AUDIO
button
Select audiochannel button.
Whenthe A light is on, audio extractoutput
from OUT A.
When the B light is on, audio extract output
from OUT B.
5
EDID
selector
AUTO: When selectoris dialed the AUTO,it
will compareOUTA and OUT B EDIDsetting
and outputs thelowest resolutionto source
devices,the source devices willtransmit

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again the signal to all HDMI outputs.
COPY:When selectoris dialed the COPY,the
unit will copy the EDIDsetting of the HDMI
OUT A display deviceto source devices,the
source devices will transmitagain the signal to
all HDMI outputs.If the HDMI OUT A display
device EDIDcan not becopyed, the source
deviceswill senddefault 1080P to allHDMI
outputs.
STD: Whenselectoris dialedthe STD,the
source devices will transmitfixation 4K30
EDID to all HDMI outputs.
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SERVICE
Fireware updateused. (Manufactureruse
only.)
5.2 Rear Panel
Number
Name
Functiondescription
1
HDMI INPUT
Connect to HDMI sources device such as DVD
playeror PS4.
2
HDMI
OUTPUT
Connect to HDMI display device such as TV or
monitor.

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3
AUDIOOUT
OPTICAL:Opticalaudio output.
L/R: Analogaudiooutput.
4
DC 5V
DC 5V power supply interface.
6.Remote Control
① IN1/IN2/IN3/IN4: Selects the OUTPUT A
port input channel, correspondingon-panel
light is on.
: Selects the OUTPUT A port last or next
input channel, corresponding on-panel light is
on.
② IN1/IN2/IN3/IN4: Selects the OUTPUT B
port input channel, correspondingon-panel
light is on.
: Selects the OUTPUT B port last or next
input channel, corresponding on-panel light is on.
③ Press the A button and audio extract output from
OUT A port, corresponding on-panellight is on.

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Press the B button and audio extract output from
OUT B port, corresponding on-panel light is on.
7.Application Example