Orei HDA-939 User manual

2160p 4:4:4/60 In-line HDMI Scaler
with 7.1 Audio Downmixing and eARC
VER 1.0

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.
Surge protection device recommended
This product contains sensitive electrical components that may be damaged
by electrical spikes, surges, electric shock, lighting strikes, etc. Use of surge
protection systems is highly recommended in order to protect and extend the
life of your equipment.
Table of Contents
1. Introduction...........................................................................................
2. Features.................................................................................................
3. Package Contents...............................................................................
4. Specifications.......................................................................................
5. Operation Controls and Functions......................................................
5.1. Front Panel...................................................................................
5.2. Rear Panel....................................................................................
6. RS-232 Command.................................................................................
7. Application Example............................................................................
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1. Introduction
2. Features
☆HDMI 2.0 and HDCP 2.2 / 1.4 compliant
☆Support 18Gbps video bandwidth
☆HDMI input supports video resolution up to 4K@60Hz 4:4:4
☆Support HDR, HLG and Dolby Vision
☆Support two HDMI OUTPUT ports to output at the same time:
HDMI OUTPUT 1 supports 4K Downscale to 1080p
HDMI OUTPUT 2 is the audio output port, which can provide high-
bandwidth and high-quality audio for traditional AVRs
☆The audio of HDMI OUTPUT 1 supports Bypass or 2CH Downmix
switching
☆Support ARC/eARC function: the ARC/eARC audio extracted from TV
can be transmitted to any AVR input through the HDMI audio output.
☆When the resolution of HDMI OUTPUT 1 is downscaled from 4K to 2K,
the corresponding HDCP will switch from 2.2 to 1.4
This product is an audio and video processor, which can extract HDMI audio
signal (IIS or S/PDIF), decode Dolby Digital, Dolby Digital Plus, Dolby TrueHD,
DTS, DTS-HD Master Audio, and then output 2.0CH LPCM audio. It also can
process (Sound Channel Superposition) LPCM (up to 7.1CH) audio, and then
output the audio as stereo (LPCM 2.0) over HDMI OUTPUT 2（Audio only）,
digital (optical and coaxial) or RCA (analog) audio port. The product supports
ARC/eARC function. The ARC/eARC audio returned from TV can be output
through digital and analog audio ports after being processed, or be directly
embedded into HDMI and output by the HDMI OUTPUT 2 port. Traditional
AVR audio input ports cannot support high-bandwidth audio formats, so that
embedding audio into HDMI can provide users with complete high-quality
audio. HDMI OUTPUT 1 port supports video resolution up to 4K@60Hz 4:4:4.
The output can be Bypass or Downscale to adapt to different display devices.
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3. Package Contents
①1 x 2160p 4:4:4/60 In-line HDMI Scaler
②1 x 3pin-3.5mm Phoenix Connector (male)
③ 2 x Mounting Ears
④4 x Machine Screws (KM3*4)
⑤1 x 12V/1A Locking Power Adapter
⑥1 x User Manual
☆Support up to Dolby TrueHD and DTS-HD Master audio Downmix
processing, with 2CH audio output through coaxial, fiber optical and
stereo audio ports
☆Support HDMI port, analog audio port, digital audio port (coaxial and
fiber optical) to output audio at the same time
☆The analog audio port only supports 2CH Downmix audio output
☆Audio extraction can be realized without connecting any HDMI receiver
devices when there is HDMI signal input
☆Input audio format supports up to 24bit 192KHz
☆Output audio can be controlled through API commands, including the
volume increase/decrease and mute/unmute commands
☆Advanced EDID management: manage the communication between
the EDID and the signal source through the EDID of display or internal
storage
☆With LED indicators to indicate the power, status and audio formarts
☆8-position DIP switch can control downscaling, downmixing, ARC/eARC
function, HDMI audio embedding and EDID management. If all 8 DIP
switches are in the “off” position, the whole system should be controlled
by API commands
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4. Specifications
Technical
HDMI Compliance HDMI 2.0
HDCP Compliance HDCP 2.2 / 1.4
Video Resolution 480P60~4K2K@60Hz 4:4:4
Color Space RGB, YCbCr 4:4:4 / 4:2:2 / 4:2:0
Color Depth 8/10/12-bit
Audio Formats
HDMI: LPCM
, Dolby Digital , Dolby Digital Plus , Dolby
TrueHD
, DTS , DTS-HD Master
Coaxial / Toslink: PCM 32KHz/44.1KHz/48KHz/88.2KHz/
96KHz/176.4KHz/192KHz, Dolby 5.1, DTS-ES 6.1, DD+
TrueHD, DTS-HD
L/R analog: PCM 32KHz/44.1KHz/48KHz/88.2KHz/
96KHz/176.4KHz/192KHz
Connection
Input 1 x HDMI IN [Type A, 19-pin female]
Output
2 x HDMI OUTPUT [Type A, 19-pin female]
1 x COAXIAL AUDIO OUT [RCA]
1 x TOSLINK AUDIO OUT [S/PDIF]
1 x L/R AUDIO OUT [RCA red & white]
Mechanical
605g
DC 12V/1A
4W (Max)
0°C ~ 40°C / 32°F ~ 104°F
-20°C ~ 60°C / -4°F ~ 140°F
ESD Protection Human-body Model: ±8kV (Air-gap discharge),
±4kV (Contact discharge)
Power Supply
Dimensions
Weight
Metal Enclosure
Operating
Temperature
Storage Temperature
Relative Humidity 20~90% RH (non-condensing)
Power Consumption
Color Black
214mm(W) × 117mm(D) × 25mm(H)
Housing
Video Bandwidth 18 Gbps
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HDR Support HDR 10, HLD and Dolby vision
1 x RS-232 [3pin-3.81mm phoenix connector]
Control

5. Operation Controls and Functions
No. Function DescriptionName
5.1 Front Panel
Audio formats indicator. When PCM/DOLBY/DTS/DTS-
HD is decoding, the corresponding LED will be on.
2
POWER LED Red LED will be on when the product is powered on.
HDMI IN LED
4
HDMI OUT 1/2
LED
HDMI signal output indicators. The correspongding blue
OUT 1/2 LED will be on when the HDMI OUTPUT 1/2
port is connected to display device.
5.2 Rear Panel
No. Function DescriptionName
1 HDMI IN HDMI signal input port, connect to HDMI source device
such as DVD, PS4 or Set-top Box with HDMI cable.
2 HDMI OUTPUT 1 HDMI video signal output port, connected to TV with
ARC/eARC function with HDMI cable.
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1
3
PCM/DOLBY/DTS
/DTS-HD LED
HDMI signal input indicator. Blue LED will be on when
there is HDMI signal input.
123456
123 4 567
AUDIO INPUT
LED
5
6SELECT Button Press this button to select the HDMI extracting audio
or ARC/eARC audio as the input audio.
Audio source indicator. When the HDMI extracting audio
or ARC/eARC audio is selected as the input audio, the
corresponding LED wii be on
.
POWER HDMI AUDIO FORMATS
IN OUT 1 OUT 2 PCM DTS DTS-HDDOLBY ARC/
eARC
HDMI
IN
SELECT
AUDIO INPUT
SETTINGHDMI IN
DOWNSCALE
eARC/ARC/CEC
AUDIO ONLY
+DECODED eARC/ARC
DC 12VRS-232
TX
8765 4
3 2 1
0
1
RX
HDMI OUTPUT DIGITAL AUDIO OUT DOWNMIXED AUDIO OUT
COAXIAL
1 2
L R
TOSLINK
89

3HDMI OUTPUT 2 HDMI audio signal output port, connected to audio
amplifier with HDMI cable.
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Analog audio output port.
4TOSLINK
6
COAX Coaxial audio output port.
5
L/R
Fiber optical audio output port.
SETTING DIP
switch
8-position DIP switch, which can control downscaling,
downmixing, ARC/eARC function, HDMI audio
embedding and EDID management. Please refer to the
following “8-position DIP Switch Function List” for details.
7
3-pin phoenix connector, connected to a PC or control
system for RS-232 command control.
8RS-232
DC 12V DC 12V power supply port.
9
No. Function DescriptionName
Dip Switch: 1=On (Down) | 0=Off (Up)
8
0
1
321
0
1
0
1
RESERVED
0
1
Function Setting
DIP Switch Position
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
HDMI Output 1
Scaling Force Downscale
Bypass
Downmix 2ch
Downmix 2ch
Bypass (max 5.1ch)
1080p/60 2ch PCM (default)
1080p/60 5.1ch Dolby/DTS
1080p/60 7.1ch Dolby/DTS HD
1080i/60 2ch PCM
1080i/60 7.1ch Dolby/DTS HD
1080i/60 5.1ch Dolby/DTS
2160p/60 4:2:0 HDR 2ch PCM
2160p/60 4:2:0 HDR 5.1ch Dolby/DTS
2160p/60 4:2:0 HDR 7.1ch Dolby/DTS HD
2160p/60 4:4:4 Static HDR 2ch PCM
2160p/60 4:4:4 Static HDR 7.1ch Dolby/DTS HD
2160p/60 4:4:4 Static HDR 5.1ch Dolby/DTS
DVI 1280x1024 60Hz | No Audio
Copy EDID from HDMI Output 1
API Managed EDID
Copy EDID from HDMI Output 2
HDMI Output 1
Audio
S/PDIF Audio
Output
EDID
Management
Auto Downscale
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8-position DIP Switch Function List

6. RS-232 Command
The product also supports RS-232 command control. Connect the RS-232 port
of the product to a PC with a 3-pin phoenix connector cable. Then, open a
Serial Command tool on PC to send ASCII commands to control the product.
The ASCII command list about the product is shown as below.
ASCII Commands
Serial port protocol. Baud rate: 57600 (default);Data bits: 8bit;Stop bits:1;Check bit: 0
x - Parameter 1; y - Parameter 2; ! - Delimiter
Command Code Function Description
System Information Command
RESET Reset System To Default Setting
(Should Type "Yes" To Confirm, "No" To Discard)
OUT DSM xx Set Video Output mode
xx=[00...01] 00:FORCE 01:AUTO
EDID CP yy Set Input:xx EDID Copy From Output:yy
yy=[01...02]: Select One OUTPUT Port
? Print Help Information
HELP Print Help Information
STATUS Print System Status And Port Status
System Control Command
Video Output Control Command
Input And Output Port Control Command
EDID DF zz
Set Input:xx EDID To Default EDID:zz
zz=00: HDMI 1080p@60Hz, Audio 2CH PCM
zz=01: HDMI 1080p@60Hz, Audio 5.1CH DTS/DOLBY
zz=02: HDMI 1080p@60Hz, Audio 7.1CH DTS/DOLBY/HD
zz=03: HDMI 1080i@60Hz, Audio 2CH PCM
zz=04: HDMI 1080i@60Hz, Audio 5.1CH DTS/DOLBY
zz=05: HDMI 1080i@60Hz, Audio 7.1CH DTS/DOLBY/HD
zz=06: HDMI 4K@60Hz 4:2:0, Audio 2CH PCM
zz=07: HDMI 4K@60Hz 4:2:0, Audio 5.1CH DTS/DOLBY
zz=08: HDMI 4K@60Hz 4:2:0, Audio 7.1CH DTS/DOLBY/HD
zz=09: HDMI 4K@60Hz 4:4:4, Audio 2CH PCM
zz=10: HDMI 4K@60Hz 4:4:4, Audio 5.1CH DTS/DOLBY
zz=11: HDMI 4K@60Hz 4:4:4, Audio 7.1CH DTS/DOLBY/HD
zz=12: DVI 1280x1024@60Hz, Audio None
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Command Code Function Description
Audio Output Control Command
AUD RX aa Audio Input Selection
aa=[01:HDMI 02:ARC/EARC]
AUD TX yy BYP Set Output yy Audio Bypass
yy=[01...02] 01:HDMI1 02:SPDIF/OPTICAL
AUD TX yy DMX Set Output yy Audio Downmix
yy=[01...02] 01:HDMI1 02:SPDIF/OPTICAL
MUTE TX yy ON Set Output yy Audio Mute ON
yy=[00:ALL 01:HDMI1 02:HDMI2 03:OPTICAL 04:SPDIF 05:L/R]
MUTE TX yy OFF Set Output yy Audio Mute OFF
yy=[00:ALL 01:HDMI1 02:HDMI2 03:OPTICAL 04:SPDIF 05:L/R]
VOL xx
Set Downmix Audio Volume
xx=[00...100]: Volume Value
xx=+: Volume Increase
xx=-: Volume Decrease
VOL BSTR xx yy
Set Downmix Audio BASS/TREBLE Volume
xx=[00:BASS 01:TREBLE]
yy=[00...30]: Volume Value
yy=+: Volume Increase
yy=-: Volume Decrease
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SETTINGHDMI IN
DOWNSCALE
eARC/ARC/CEC
AUDIO ONLY
+DECODED eARC/ARC
DC 12VRS-232
TX
8765 4
3 2 1
0
1
RX
HDMI OUTPUT DIGITAL AUDIO OUT DOWNMIXED AUDIO OUT
COAXIAL
1 2
L R
TOSLINK
7. Application Example
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are trademarks or registered trademarks of HDMI Licensing LLC in the United States
and other countries.
DVD or Blu-ray Player
Power Supply
Amplifier
2.0 Speakers
TV with ARC/
eARC function
2.0 Speakers
PC
Soundbar