COVID SH41-220 4K 18G HDMI Switcher User Manual

: August 7, 2024
: COVID

Table of Contents

COVID SH41-220 4K 18G HDMI Switcher
Introduction
Features
Package Contents
Technical Specifications
Operation Controls and Functions
IR Remote
Application Example
Warranty
Safety Information
CONTACT
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

COVID SH41-220 4K 18G HDMI Switcher

Introduction

This is a high-performance HDMI 4×1 switcher that supports HDTV formats up to 4Kx2K@60Hz and all HDMI 3D TV formats. It can extract HDMI stream audio to separate digital and analog audio output. This product supports HDCP repeater/CEC/ARC functions. Select any of the inputs by front panel button or IR Remote, the corresponding indicator LED on the front panel will be illuminated.

Features

Compliant with HDMI 2.0a, DVI 1.0 standards
HDCP 2.2 and HDCP 1.4 compliant
Video formats up to 4Kx2K@60 and all HDMI 3D video formats
Supports PCM, Dolby TrueHD, and DTS-HD Master Audio up to 7.1CH
Digital and analog audio output
Support Smart EDID management (Auto/2CH/5.1CH/7.1CH selectable)
Support input port auto-switching or manual switching mode
Supports Audio Return Channel (ARC)

Package Contents

HDMI 4×1 Switcher – (1x)
5V/1APower Adapter – (1x)
38KHz IR Rx cable – (1x)
Optical convert header (for SPDIF audio output) – (1X)
HDMI 4×1 IR Remote – (1x) [Battery CR2025 Not Included]
Operation Manual – (1x)

Technical Specifications

Technical

Frequency Bandwidth| 4Kx2K@60 18Gbps
HDMI Audio Output| PCM2.1/5.1/7.1CH,Dolby5.1, DTS5.1, Dolby-TrueHD, DTS-HD
ESD Protection| Human Body Model: ± 8kV (air-gap discharge) ± 4kV (contact discharge)
Transmitter Connections

Inputs| 4x HDMI Female 1x IR Receiver

1x RS232

Outputs| 1x HDMI Female

1x Audio output (including L/R analog and optical audio out) 1x Optical Port

Mechanical

Operation Controls and Functions

Front Panel

Input Indicator LED: The corresponding port LED will be illuminated when the port is in use.
Auto/Manual Select Button: Press this button >2 seconds to select auto-switching or manual-switching mode. Under manual switching mode, short press this button to select input port.
EDID Status LED: When the LED is illuminated, TV EDID is in use
EDID Select Button: Press button to select EDID mode (Auto/2.1CH/5.1CH/7.1CH)
ARC status LED: When an LED is illuminated if ARC is successfully enabled
ARC Function Button: Turn the ARC function on or off

Rear Panel

HDMI Output Port
HDMI Input Ports (4)
Audio output
RS232 port
IR receiver port
DC 5V input port

IR Remote

ARC: Press this button to enable or disable the ARC function. ARC LED on the front panel will be illuminated if the ARC function is enabled successfully.
Auto/2.1ch/5.1ch/7.1ch: Press these buttons to select different EDID settings and the corresponding LED on the front panel will be illuminated.
Auto Source: Press this button to select auto-switching or\ manual-switching mode.
In1/In2/In3/In4: Under manual switching mode, press this button to select the input port.

Application Example

RS-232 Command

Default Baudrate: 19200
Data width: 8bit
Parity: none
Stop: 1bit

	Current HEX Commands	ASCII Commands
	Command	Feedback
Input switching command
Input 1	A5 5B 02 03 01 00 01 00 00 00 00 00 F9	A5 5B 02 03 00 00 01 00 00 00
00 00 FA	IN1!	OK
Input 2	A5 5B 02 03 02 00 01 00 00 00 00 00 F8	A5 5B 02 03 00 00 01 00 00 00
00 00 FA	IN2!	OK
Input 3	A5 5B 02 03 03 00 01 00 00 00 00 00 F7	A5 5B 02 03 00 00 01 00 00 00
00 00 FA	IN3!	OK
Input 4	A5 5B 02 03 04 00 01 00 00 00 00 00 F6	A5 5B 02 03 00 00 01 00 00 00
00 00 FA	IN4!	OK

Audio EDID switch
Audio auto	A5 5B 03 02 01 00 01 00 00 00 00 00 F9	A5 5B 03 02 00 00 01 00 00
00 00 00 FA	A1!	OK
Stereo Audio 2.0	A5 5B 03 02 02 00 01 00 00 00 00 00 F8	A5 5B 03 02 00 00 01
00 00 00 00 00 FA	A2!	OK
Dolby/DTS 5.1	A5 5B 03 02 03 00 01 00 00 00 00 00 F7	A5 5B 03 02 00 00 01 00
00 00 00 00 FA	A3!	OK
HD Audio 7.1	A5 5B 03 02 04 00 01 00 00 00 00 00 F6	A5 5B 03 02 00 00 01 00
00 00 00 00 FA	A4!	OK

Auto switch
On	A5 5B 02 05 0F 00 00 00 00 00 00 00 EA	A5 5B 02 05 00 00 00 00 00 00 00
00 F9	ONAUTO!	OK
Off	A5 5B 02 05 F0 00 00 00 00 00 00 00 09	A5 5B 02 05 00 00 00 00 00 00 00
00 F9	OFFAUTO!	OK

ARC
On	A5 5B 10 01 0F 00 01 00 00 00 00 00 DF	A5 5B 10 01 00 00 01 00 00 00 00
00 EE	ONARC!	OK
Off	A5 5B 10 01 F0 00 01 00 00 00 00 00 FE	A5 5B 10 01 00 00 01 00 00 00 00
00 EE	OFFARC!	OK

Device information query
HDMI In1	A5 5B 01 04 01 00 00 00 00 00 00 00 FA	A5 5B 01 04 01 00 OF 00 00
00 00 00 FB	IN1?
HDMI In2	A5 5B 01 04 02 00 00 00 00 00 00 00 F9	A5 5B 01 04 02 00 OF 00 00
00 00 00 FA	IN2?
HDMI In3	A5 5B 01 04 03 00 00 00 00 00 00 00 F8	A5 5B 01 04 03 00 OF 00 00
00 00 00 F9	IN3?
HDMI In4	A5 5B 01 04 04 00 00 00 00 00 00 00 F7	A5 5B 01 04 04 00 OF 00 00
00 00 00 F8	IN4?
HDMI Out	A5 5B 01 05 01 00 00 00 00 00 00 00 F9	A5 5B 01 05 01 00 00 00 00
00 00 00 F9	OUT1?
Set RS232 Baudrate	N/A	N/A

(19200 / 115200…)

| set uart baudrate

to xxx ok

Warranty

Parts and labor warranty time is three years from the date of the original shipment. This warranty shall be void if a serial number has been removed from the product.
Upon determination of a legitimate defect covered by this warranty and at COVID’s sole discretion, user should bear the transport cost during the warranty.
If a product is out of warranty then a repair charge is required. Out-of-warranty repairs will only be made after cost has been approved by Customers and proper financial arrangements are made. Customers must cover round-trip shipment expenses.

Safety Information

To reduce the risk of electric shock, do not expose this product to rain or moisture.
Do not modify the wall plug. Doing so will void the warranty and safety features.
If the wall plug does not fit into your local power socket, hire an electrician to replace your obsolete socket.
This equipment should be installed near the socket outlet and the device should be easily accessible in the case it requires disconnection.