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•  

 Never install communications wiring or components during a lightning storm.

•  Never install communications components in wet locations unless the components are 

designed specifically for use in wet locations.

•  Use caution when installing or modifying communications wiring or components.

• 

SAVE THESE INSTRUCTIONS.

HDMI

®

 4 x 1 Switcher

with ARC and Audio Extraction

Cat. No. 41920-SW4

INSTALLATION INSTRUCTIONS

ENGLISH

DI-090-41920-05A

• 

WARNING: TO AVOID DEATH OR SERIOUS INJURY

, never push objects of any kind into this 

product through openings, as they may touch dangerous voltages.

•  WARNING: TO AVOID DEATH OR SERIOUS INJURY

, never touch uninsulated wires or 

terminals unless the wiring has been disconnected at the network interface.

•  Read and understand all instructions. Follow all warnings and instructions marked on the product.
•  Do not use this product near water - e.g., near a tub, wash basin, kitchen sink or laundry tub, in a 

wet basement, or near a swimming pool.

SAFETY INFORMATION

Features

•  Switches any one of four HDMI inputs to one HDMI output.
•  Automatically switches as a new HDMI input signal is added.  Manual switching is 

enabled by using the front panel button.

•  Supports video resolution up to 4Kx2K@60Hz 4:4.4 HDR.
•  18Gbps high bandwidth.
•  Fully compliant with HDCP2.2 specifications and features of HDMI 2.0.
•  Supports audio return channel (ARC).
•  Advanced EDID management: multiple presets or user defined.
•  Controllable via RS232 and IR.
• Supports 

CEC.

•  Audio extraction for connection to an audio amplifier.

What's Included

(1) HDMI 4 x 1 switcher 

 

(

1) IR Remote

(2) Mounting Brackets   

 

(1) IR Receiver/Target

(4) Mounting Screws   

 

(1) Power Adapter (5V DC 1A) USB

(4) Non-skid Pads 

 

 

(1) Instruction Sheet

(1) RS232 Cable (3.5mm to DB9)   

(1) USB Type A to C Cable

Panel Description

1.

 

Auto/Source push button.

•  For manual switching, indicator 4 will illuminate green.  Press to switch to 

next input source.

•  For automatic switching, press and hold at least three seconds.  Indicator 4 

will illuminate amber. Auto switching produces the following actions:

a. When a new input is added, switcher will automatically select the new 

source.

b. When an active source is removed, the switcher will select the first 

available active input starting at HDMI Input 1. 

c. When power is restored after reboot, the last selected source will be 

selected. If last source is not available, the switcher will select the first 

active input starting at HDMI Input 1.

2.

 

Power indicator illuminates red when switcher is powered on.

3.

 

Audio mode indicator.

•  Illuminates green when de-embedding audio.

•  Illuminates amber when in ARC mode.

4.

 

Switching mode indicator.

•  Illuminates green when in manual switch mode.

•  Illuminates amber in auto-switch mode.

5.

 

Input 1-4 indicators.  Illuminate green when there is HDMI input on the corre-

sponding channel.

6.

 

FW: Used for user-defined EDID settings.

7.

 

4x IN: HDMI input ports (input 4 supports ARC).

8.

 

OUT: HDMI output port for HDMI display connection.

9.

 

AUDIO: Analog audio output 3.5mm mini jack.

10.

 

RS232: 3.5mm mini jack for connecting a control device (e.g., PC).

11.

 

IR IN: IR receiver/target input 3.5mm mini jack for use with remote control.

12.

 

EDID: 4 position DIP switch for setting EDID.

13.

 

5VDC: Connect to 5V USB-C power adapter.

© 2019 Leviton Mfg. Co., Inc.

 For Technical Assistance Call: 1-800-824-3005 (U.S.A. Only) www.leviton.com

Product Information

The Leviton HDMI 4 x 1 Switcher is an ultra thin automatic switcher with four HDMI 
video inputs and one HDMI output.  This switcher supports HDMI video resolution up 
to 4K x 2K@60Hz 4.4.4 HDR and multichannel audio. EDID information (describing 
signal formats your display supports) can be passed through from the display, or 
there are multiple built-in settings and user defined settings to simplify installation.  
The switcher will extract digital stereo audio to provide an analog source for an audio 
system.  The switcher also supports audio return channel (ARC) for transmitting 
audio back to the HDMI input port from the connected display.

1

2

3

5

6

4

7

8

9 10 11 12

13

System Diagram

Leviton Amp 

41920-A70

Laptop

NOTE

:  Diagram for reference only.

Display or 

projector

Gaming 

System

Blu-ray DVD

Control System/

PC

IR Receiver/

Target

DVD

Remote

RS232 Control

Connect the switcher to the control device (e.g., a PC) with the RS232 cable and set 
the parameters as below to send RS232 commands.  

NOTE

: All commands must 

end with 

CR

› 

(Carriage Return) and 

LF

› 

(Line Feed).

Baud rate: 9600 

Data bits: 8

Stop bit: 1   

Parity bits: none 

FUNCTION

COMMAND

FEEDBACK 

EXAMPLE

Switch to HDMI input 1

››

HDMI1

‹‹

HDMI1

Switch to HDMI input 2

››

HDMI2

‹‹

HDMI2

Switch to HDMI input 3

››

HDMI3

‹‹

HDMI3

Switch to HDMI input 4

››

HDMI4

‹‹

HDMI4

Enable auto-switching mode

››

AUTO

‹‹

AUTO Switch

Enable manual switching mode 

››

MANUAL

‹‹

MANUAL Switch

Signal Switching

Source Device Control

NOTE

: Source device must support CEC.  

FUNCTION

COMMAND

FEEDBACK EXAMPLE

Turn on the input source 
device, e.g., Blu-ray DVD

››

SRCOn

‹‹

SRCOn

Turn off the input source 
device, e.g., Blu-ray DVD

››

SRCOff

‹‹

SRCOff

Play

››

SRCPlay

‹‹

SRCPlay

Pause

››

SRCPause

‹‹

SRCPause

Stop

››

SRCStop

‹‹

SRCStop

Fast Forward x 1

››

SRCForward

‹‹

SRCForward

Fast Rewind x 1

››

SRCBackward

‹‹

SRCBackward

Next Section

››

SRCSkipForward

‹‹

SRCSkipForward

Previous Section

››

SRCSkipBackward

‹‹

SRCSkipBackward

Open the menu

››

SRCMenu

‹‹

SRCMenu

Go back

››

SRCBack

‹‹

SRCBack

Confirm (OK)

››

SRCOk

‹‹

SRCOk

Exit

››

SRCExit

‹‹

SRCExit

Scroll Up

››

SRCUp

‹‹

SRCUp

Scroll Down

››

SRCDown

‹‹

SRCDown

Scroll Left

››

SRCLeft

‹‹

SRCLeft

Scroll Right

››

SRCRight

‹‹

SRCRight

HDMI Sources

WEB 

VERSION

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