LINK-MI LM-SW301-Audio User manual

U S E R M A N U A L
3 Port HDMI Audio Extractor
（4K ARC Audio EDID setting 5.1CH/PASS/2CH）
Model No:LM-SW301-Audio
Enjoy the vivid world!

INTRODUCTION
Dear customer
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.
Our series of HDMI Converter, switchers, extenders, matrixes and splitters are designed to make your
A/V device use more convenient, more comfortable, more productive and more cost-efficient.
LINK-MI LM-SW301-Audio The device is one 3Port HDMI Audio Extractor with support of
ARC,3D and 4KX2K,which can switch easily three HD Sources or one smart sources to one HD
Display. Also any of the input sources support the audio extract by the SPDIF and LR audio output
channel. The Switcher supports ARC function that can do TV audio return back to the AV receiver.
Our devices offer solutions for noise, space and security concerns, data center control, information
distribution, conference room presentation, school and corporate training environments.
FEATURES
Three HDMI inputs switch freely to one HDMI output.
Any input HD Source can do audio extract by the SPDIF or LR audio output port.
Support Full HD 1080P, Full 3D,4K*2K
Support ARC Function: Without adding one extra HDMI Cable, it can reverse the audio to the
AV Amplifier by HDMI Cable connection with HD TV while the HD TV receives the audio and video
content.
HDMI working in dual mode, can reduce the number of ports
HDMI to achieve the synchronization of audio signal separation. There are PASS /
2.0CH / 5.1CH three kinds of audio mode options
LED indication: when source or sink is working, LED related will go bright.
Support input up to 10metres using AWG26 HDMI standard cable length, output up to 15metres
using AWG26 cable length
IR Remote can do switch to the Input sources, and also you can press the switch button at device
to do switch of the Input Sources.
Led Status Light allows the user to know the working status easily.
No loss of quality
Installs in minutes
Need DC5V/1A power supply
The accessories with the machines list as picture：
1、5V power adapter 1pcs
2、User manual 1pcs
3、Remote 1pcs
4、Micro USB-HDMI cable 1pcs （Optional）

Physical Connection Showing Picture：

Operating and Connecting:
1. To use the HDMI cable to connect the input port of 3Port HDMI Audio Extractor with the HDMI
sources or to use one Micro USB-HDMI cable to connect the smart device to connect with the
HDMI double mode input port.
2. To use one HDMI cable to connect the HDMI output port of the Switcher with the HD Display.
3. To use one optical cable to connect the SPDIF port of the Switcher with the AV receiver.
4. To use RCA audio cable to connect the LR audio port of Switcher with the Analog Audio Input
port.
5. To use the IR remote or the switch button to do control and switch to the Input sources and the
ARC/SPDIF function.
6. To connect the 5V adapter with the device.
SPECIFICATIONS:
HDMI resolution ……………………………..4KX2K/1080p/1080i/720p/576p/576i/480p/480i
Support video color format …………………………..…………….24bit/deep color 30bit,36bit
Audio output………………………………………………...……………………….. L/R+SPDIF
Max transmission bandwidth…….………………….………………………………….. 300MHz
Max baud rate…………………………………………………………………………….9.0Gbps
Input/Output TMDS signal ………….…………………………..……………… 0.5~1.5Volts p-p
Input/Output DDC signal ……………………………………………..………… 5Volts p-p (TTL)
Input cable distance..…... ……………………….………..≤10m AWG26 HDMI standard cable
Output cable distance……………………………….…….....≤15 AWG26 HDMI standard cable
Max working current…………………………………………………………………………500mA
Power adapter format………………..Input: AC (50HZ, 60HZ) 100V-240V; Output: DC5V/1A
Operating Temperature range……..…………….………………………………… (-10 to +55℃)
Storage Temperature range…………………………………………………………… -20 to +60℃
Operating Humidity range………………………….….……….10 to 90%RH (No Condensation)
Storage Humidity range………………………….….……….…5 to 95%RH (No Condensation)
Dimension (L x W x H) ……………………………….……………………..…179X67X28(mm)
Weight…..………………………………………………………..…….……..…………………365g

IR Remote Operating Instruction
1．Firstly take off the plastic film that inserted in the rear of remote board
2．You can press the number 1, 2, 3 button directly to choose the input channel that you want. For
example, if you want switch the input two sources to the output; you can press the number 2 button
directly.
3．2CH：2 channel stereo mode.
4．5.1CH：5.1 channel mode.
5．PASS：Advance Audio model
6．SPDIF/ L R：ON/OFF Key for SPDIF and LR audio out
7．ARC：ARC Function On/Off Key
8．Auto: Auto Detect Button for Input Sources.
9．The plastic film is strongly advised to insert the rear of the remote board when the remote is not
used for long time.
Notes:
Pls use the machine as the instruction listed to keep the long use lifetime of
the machine.
1. The machine should be placed at the spot far from the Damp, High-
Temperature, Dusty, Erosive, and oxidative environment.
2. All parts will be free from the strong shake, hit, fall.
3. Touching the power adapter with the wet hands is prohibited.
4. Pls hold the power adapter head and do not pull the power cord when cut
off from the socket.
5. Pls turn the power off when the machine is not used for long time.
6. Pls do not open the cover and do not touch the inside parts.
7. Pls use the original factory power adapter.
Before power on, pls check the connection line carefully. And make sure that all interfaces are
normally connected. The common trouble shooting way shows below:
Serial NO
Trouble
Description
Cause and Ways to deal with
1
Non-Power-
Connected
1、Check if the power adapter head is truly and correctly
inserted the power socket.
2、Check the power switch if it is in on status.
2
No Picture
1、Pls to make sure that the TV is on and has been connected
with the machine,.
2、To check if the signal source is on and well connected.
3、Check the system connection quality.
4、Check if the line is all good quality.
5、Check the cable quality..
3
Obscure Picture
1、To try again to connect the cable to be free from the
unsuccessful connection.
2、HDMI Cable Quality
4
No sound
1、Please confirm the setting position of audio mode switch
5
Remote
1、Pls check if the film that stops the current has been taken out.
2、To check if the remote battery is working well.