LINK-MI LM-SW301-Audio User manual

U S E R M A N U A L
3 Port PIP HDMI Audio Extractor
（4K /PIP/ARC/Super EDID/HDMI Switch）
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 3 PORT HDMI Switcher that can do switch any
one of the three input HD source to one HD Display, It supports the feature of PIP,ARC,4K,3D and
also it can do audio extract by the Toslink port and LR port. By the ARC feature of the device, you
can return your TV audio back to the AV receiver; by the PIP feature, it can choose the input source by
check the small window picture at big display side.
Our devices offer solutions for noise, space and security concerns, data center control, information
distribution, conference room presentation, school and corporate training environments.
FEATURES
3xHDMI input and 1 x HDMI output,can extract the Input HDMI Audio Signal,Supports 1xSPDIF optical
digital audio output and 2 channel RCA analog audio output
Any input HD Source can do audio extract by the SPDIF or L/R audio output port.
HDMI supports Full HD,3D and 4Kx2K video
Supports 15 built-in EDID mode, can be used flexibly
Support EDID save for each input source channel, to achieve fast change
Supports ARC ,TV audio will return and out by the Optical Port;
Supports HDMI audio separation, can output by optical and RCA at the same time
Support SPDIF digital audio format: Dolby digital (AC3), DTS and support 5.1CH
Support PIP function: have one main picture and two small pictures, it can do switch of input sources by press
button or remote.
LED indication: when source or sink is working, LED related will go bright.
Support IR Remote Control and Push Button at device control.
Led Status Light allows the user to know the working status easily.
Power-off memory
No loss of quality
Need DC5V/1A power supply

PACKAGE CONTENTS:
1、5V power adapter 1pcs
2、User manual 1pcs
3、Remote 1pcs
Physical Connection Showing Picture：
Figure 1.0 Front Panel Showing Picture
Auto: The Auto Detect Led Light for Input Sources
Audio: HDMI Audio Extract ON/OFF Led Status Light
ARC : ARC status indicator
LED On: ARC turn on, then output TV audio by optical port.
LED off: ARC turn off, then output HDMI audio by optical and RCA ports.
OUT: HDMI output led status light
1-3: HDMI input led status light
IR: IR Receiver
EDID Select: Built-in EDID mode selection switch (Used in conjunction with the SAVE key)
No.
EDID information description
No.
EDID information description
0
Auto / Pass mode
8
1080P / HD audio, up to 7.1 channel
1
Copy output
9
1080P 3D / 2channel
2
DVI mode
A
1080P 3D / 5.1 channel
3
4K / 2 channel
B
1080P 3D/HD audio, up to 7.1 channel
4
4K / 5.1 channel
C
1080I / 2channel
5
4K / HD audio, up to 7.1 channel
D
1080I / 5.1 channel
6
1080P / 2 channel
E
1080I / HD audio, up to 7.1 channel
7
1080P / 5.1 channel
F
720P / 2channel
SAVE: EDID mode Enter and save key
After select built-in EDID mode, Press the SAVE key to save the current source channel
built-in EDID information. If the switch is in the non - 0 point, the next time you change the source
channel will use the saved EDID information in the last time. If the switch is in the 0 point, it will be
at PASS mode, the SAVE button will have no effect. Pls note when you set EDID Switch to 0 point,
the device will cancel the saved EDID info for the input source channel at prior action.. You need to

save again for the wanted EDID info for the input source channel（make sure set the EDID Switch
to Non 0 point position）.
Auto: Auto Detect Button for the Input Signal
Audio: HDMI Audio Extract On/Off Button
ARC: ARC Turn on/off key (TV must support ARC, this button will take effect. If ARC turn on, then output TV
audio by optical port.)
PIP: PIP Function On/Off Button
Switch: HDMI Signal Input Switcher Key（At PIP function use state, the Switch button is used as the Option
Confirm Button）。
：Standby Led Light
：Power On/Off Button
Figure 1.1rear panel showing picture
DC5V: 5V DC-DC Power Interface
HDMI IN1-HDMI IN3:HDMI input interface
HDMI: HDMI output interface (support ARC)
SPDIF: SPDIF optical output interface
L/R :Left & right analog audio output ports.(If Non LPCM format or multi channel audio input, then L&R no output.)
Operating and Connecting:
1. To use one HDMI Cable to connect the HD Source with the HDMI Input port of device.
2. To use HDMI Cable to connect the HDMI Output port of device with the Display.
3. To use optical cable to connect the SPDIF output port with the AV Receiver.
4. To use the analog av cable to connect the L/R port of the device with the active speakers.
5. To use the remote or push button at device to switch the input source.
6. To connect the 5V adapter with the device.

SPECIFICATIONS:
HDMI resolution …………………………4KX2K/3D/1080p/1080i/720p/576p/576i/480p/480i
Support HDMI audio format…………….DTS-HD/Dolby-trueHD/LPCM/DTS/Dolby-AC3/DSD
Digital Audio Output Supported Audio Format………………………PCM2.0/Dolby AC/ DTS
Digital Audio Output Sampling Rate…32KHz,44.1KHz,48KHz,88.2KHz,96KHz,176.4KHz, 192KHz
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(1080P)/6M(4K) AWG26 HDMI standard cable
Output cable distance………………..... ≤15m(1080P)/6M(4K) AWG26 HDMI standard cable
Max working current…………………………………………………………………………500mA
Power adapter format………………..Input: AC (50HZ, 60HZ) 100V-240V; Output: DC5V/1A
Operating Temperature range……..…………….………………………………………-0 to +40℃
Storage Temperature range…………………………………………………………… -20 to +60℃
Operating Humidity range………………………….….……….5 to 85%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
：Power standby/Power on
1：Select HDMI IN1 for the input port
2：Select HDMI IN2 for the input port
3：Select HDMI IN3 for the input port
PIP1: Choose the first small picture input source.
PIP2: Choose the second small picture input source.
Auto: Auto Detect Button for Input Sources.
PIP：PIP ON/OFF Button.
OK：Option Confirm Button at PIP
Save: Same with the SAVE key on the machine
Audio：HDMI Audio Extract On/Off Button
ARC: ARC turn on, output TV audio
(Note: Use after the battery separator film is pulled out)
Figure 1.3 Remote Panel View
Notes:
1. PIP function only effect for input source with resolution not higher than 1080p.
2. At PIP state, at left side of main picture will show the new input source small picture.
3. The small picture size at PIP state is fixed.

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.