Orei UHDS-401A User manual
18Gbps HDMI 4x1 Switcher
with ARC/eARC Function
USER MANUAL
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UHDS-401A
Table of
Contents
Introduction 04
Features 05
Package Contents 06
Specifications 07
Operation Controls and Functions 08
IR Remote 10
Application Example 11
Thank you for purchasing this product. For optimum performance and safety, please
read these instructions carefully before connecting, operating or adjusting this prod-
uct. Please keep this manual for future reference.
page 02
Thank you for purchasing this product
This product contains sensitive electrical components that may be damaged by
electrical spikes, surges, electric shock, lightning strikes, etc. Use of surge protection
systems is highly recommended in order to protect and extend the service life of
your equipment.
Surge protection device recommended
Registration
Page
Please Activate your warranty by registering our product through the link
below - www.orei.com/register
Technical Support
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page 03
This 18Gbps HDMI 4x1 Switcher can switch any four HDMI sources to one
HDMI display. It supports video resolution up to 4K2K@60Hz RGB/YCbCr
4:4:4. It supports ARC/eARC function (only for the “INPUT 1(eARC)” port), 10bit
HDR and CEC function. It also supports advanced EDID management (AU-
TO/2.0CH/5.1CH/7.1CH selectable). Flexible control via front panel buttons and IR
remote control.
page 04
Introduction
1. HDMI 2.0b, HDCP 2.2 / 1.x and DVI 1.0 compliant
2. Video resolution up to 4K2K@60Hz RGB/YCbCr 4:4:4
3. Support 18Gbps video bandwidth
4. Support 3D, HDR, HDR10, HDR10+, Dolby Vision pass-through
5. Supported audio formats: LPCM, Dolby Digital/Plus/EX, Dolby True HD,
Dolby Atmos, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master
Audio, DSD
6. Support auto/manual switching mode for input source
7. Support ARC/eARC function
8. Support advanced EDID management (AUTO/2.0CH/5.1CH/7.1CH
selectable)
9. Flexible control via front panel buttons or IR remote control
page 05
Features
page 06
Package Contents
1. 18Gbps HDMI 4x1 Switcher 1pcs
2. IR Remote 1pcs
3. 5V/1A Power Adapter (USA Standard) 1pcs
4. User Manual 1pcs
page 07
Specications
Technical
HDMI Compliance HDMI 2.0b
HDCP Compliance HDCP 2.2 / 1.x
Video Bandwidth 18 Gbps
Video Resolution 4Kx2K@24/30Hz, 4K2K@60Hz
Color Depth 8-bit, 10-bit, 12-bit (1080p@60Hz)
8-bit (4K2K@60Hz YUV4:4:4)
8-bit, 10-bit, 12-bit (4K2K@60Hz YCbCr 4:2:2 / 4:2:0)
Color Space RGB 4:4:4, YCbCr 4:4:4 / 4:2:2 / 4:2:0
HDMI Audio Formats LPCM, Dolby Digital/Plus/EX, Dolby True HD, Dolby Atmos,
DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master
Audio, DSD
HDR Support HDR, HDR 10, HDR 10+ and Dolby vision
ESD Protection Human body model — ±8kV (Air-gap discharge) &±4kV (Con-
tact discharge)
Connection
Input 4×HDMI IN [Type A 19-pin female]
Output 1×HDMI OUT [Type A 19-pin female]
Control 1×SERVICE [Micro USB port]
Mechanical
Housing Metal Enclosure
Silkscreen Color Black
Dimensions 182mm(W) × 84mm(D) × 15.5mm(H)
Weight 370g
Operating Temperature 0°C ~ 40°C / 32°F ~ 104°F
Storage Temperature -20°C ~ 60°C / -4°F ~ 140°F
Relative Humidity 20~90% RH (Non-condensing)
Power Consumption (Max) 2W (Max)
Power Supply Input: AC100~240V 50/60Hz
Output: DC 5V/1A
Operation Controls
and Functions
page 08
Front Panel
2.0 5.1 7.1
EDID
eARCAUTO AUTO
IN 1 IN 2 IN 3 IN 4
AUTO/INPUT eARC ON/OFF
6
2 4 5
13
No. Name Function Description
1. AUTO LED When the auto switching mode for input source is enabled,
the AUTO LED is on.
2. IN 1/2/3/4 LED When the INPUT 1/2/3/4 port is connected to source
signal, the corresponding IN 1/2/3/4 LED is on.
3. AUTO/INPUT
button
Press this button to switch auto/manual switching mode for input
source. When you press and hold this button for 2 seconds, the
device switches to the auto switching mode, and the AUTO LED
is on. Press and hold this button for 2 seconds again, the device
switches to the manual switching mode, then you can tap this
button 1/2/3/4 times to select the input source for the INPUT
1/2/3/4 port, and the corresponding IN 1/2/3/4 LED will be on.
Note: In auto switching mode, the device can detect signal source
automatically. When one or several input ports are connected to
source devices, the output port will output the signal from the
last connected input source.
4. EDID button
and status LED
Press the button to select EDID mode: AUTO/2.0/5.1/7.1 (AUTO
means using TV EDID), and the corresponding LED will be on.
5. eARC button
and LED
Press the button to turn on/off ARC/eARC function. The eARC LED
will be on when you turn on the ARC/eARC function.
6. IR IR receiver window. It only receives IR remote signal from this
product.
page 09
Operation Controls
and Functions
No. Name Function Description
1. INPUT 1/2/3/4
port
HDMI input ports, connect to HDMI source device such as DVD,
PS4 or Set-top Box with HDMI cable.
Note: When the ARC/eARC function is turned off, connect the
“INPUT 1(eARC)” port to HDMI source device to work as a signal
input port; When the ARC/eARC function is turned on, connect
the “INPUT 1(eARC)” port to a Soundbar or amplifier to output the
audio signal extracted from “INPUT 2/3/4” port or “OUTPUT(eARC)”
port. Please refer to “7. Application Example” for details.
2. OUTPUT (eARC) HDMI output port, connect to HDMI display device such as HDTV
or Projector with HDMI cable.
3. SERVICE Firmware update port.
4. DC 5V DC 5V power input port.
Rear Panel
4
12
INPUT 2 INPUT 3 INPUT 4 OUTPUT (eARC) DC 5V
INPUT 1(eARC) SERVICE
3
page 10
IR Remote
ARC: Press this button to turn on/off ARC/eARC function.
When ARC/eARC function is turned on, the eARC LED on the
front panel will be on
Auto/2.0ch/5.1ch/7.1ch: Press these buttons to select differ-
ent EDID settings, and the corresponding LED on the front
panel will be on.
Auto Source: Press this button to select auto switching or
manual switching mode.
In1/In2/In3/In4: In manual switching mode, press these but-
tons to select the input port.
AR C
Auto 2.0ch
5.1c h7 .1ch
In1
In3
In2
In4
Auto
Source
Application
Example
page 11
Situation 1
When the ARC/eARC function is turned off, the connection diagram is as
following.
INPUT 2 INPUT 3 INPUT 4 OUTPUT (eARC) DC 5V
INPUT 1(eARC) SERVICE
HDTV
PC
DVD or Blu-ray Player
TV box
Power Supply
2.05.1 7.1
EDID
eARCAUTO AUTO
IN 1IN 2IN 3IN 4
AUTO/INPUT eARC ON/OFF
6
2 4 5
13
4
12
INPUT 2INPUT 3INPUT 4 OUTPUT (eARC) DC 5V
INPUT 1(eARC) SERVICE
3
The terms HDMI and HDMI High-Definition Multimedia interface, and the HDMI Logo
are trademarks or registered trademarks of HDMI Licensing LLC in the United States
and other countries.
page 10
Application
Example
Situation 2
When the ARC/eARC function is turned on, select the input port 1 by pressing
the “AUTO/INPUT” button on the front panel or the In1 button on the IR
remote, then connect the “INPUT 1(eARC)” port to a Soundbar to output the
audio signal returned from the “OUTPUT(eARC)” port, as shown in the figure
below. (For example, when user watches TV APP, the Switcher will pass-
through TV eARC/ARC to the Soundbar.)
Note: If the HDTV supports ARC/eARC function, the Soundbar will receive the
audio signal returned from the HDTV, and then emit the sound; otherwise it
will not emit sound.
INPUT 2 INPUT 3 INPUT 4 OUTPUT (eARC) DC 5V
INPUT 1(eARC) SERVICE
HDTV
Soundbar
Power Supply
2.05.1 7.1
EDID
eARCAUTO AUTO
IN 1IN 2IN 3IN 4
AUTO/INPUT eARC ON/OFF
6
2 4 5
13
4
12
INPUT 2INPUT 3INPUT 4 OUTPUT (eARC) DC 5V
INPUT 1(eARC) SERVICE
3
Application
Example
page 11
Situation 3
When the ARC/eARC function is turned on, select the input port 2/3/4 by
pressing the “AUTO/INPUT” button on the front panel or the In2/3/4 button
on the IR remote, then connect the “INPUT 1(eARC)” port to a Soundbar to
output the audio signal extracted from “INPUTS 2/3/4” port, as shown below.
Note: Whether the HDTV supports ARC/eARC function or not, the Soundbar
will receive the audio signal extracted from “INPUTS 2/3/4” port, and then
emit the sound
INPUT 2 INPUT 3 INPUT 4 OUTPUT (eARC) DC 5V
INPUT 1(eARC) SERVICE
Soundbar
Power Supply
PC
DVD or Blu-ray Player
TV box
HDTV
2.05.1 7.1
EDID
eARCAUTO AUTO
IN 1IN 2IN 3IN 4
AUTO/INPUT eARC ON/OFF
6
2 4 5
13
4
12
INPUT 2INPUT 3INPUT 4 OUTPUT (eARC) DC 5V
INPUT 1(eARC) SERVICE
3
© 2022
18Gbps HDMI 4x1 Switcher
with ARC/eARC Function
www.orei.com
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