Installation Instruction / Trouble Shooting / EDID Setting
4K HDMI 2.0 Splitter 1x2 Scaler (EZ-SP12HAS)
Installation Instruction:
1. Please connect 4K TV to HDMI Splitter OUT 1 firstly; after 4K TV display well, please connect
the second display device to HDMI Splitter OUT 2.
2. Please connect 1080p HDMI display to splitter OUT 2, especially when 4K & 1080p TV work
together.
3. When turn off TVs & Splitter, please turn on HDMI Splitter OUT 1 4K TV firstly, especially when
4K & 1080p TV work together.
4. If your HDMI source, display devices support both HDR Dolby Vision & Dolby Atmos, then
HDMI Splitter can support both accordingly.
5. Firmware upgradeable splitter supports PC control, Android mobile phone control via
micro-usb port.
6. Editable EDID (HDMI audio & video channel) management via PC control.
The splitter has 30 EDID options. EDID No. 30 provides 4K 60Hz HDR and 7.1ch sound, so TV can
play 4K HDR video & soundbar play 7.1ch audio simultaneously. The other brands splitter only
support copy TV video and audio signal, but not audio system channel.
Please check EDID setting way from one of buyers.
HDMI has become a prevalent video/audio interface in home entertainment
devices and PCs. However, the development of the interface itself as well
as the data protocols it carries has resulted many limitations to use video
and audio devices to their maximum capabilities. I have the following
devices at home: an Intel NUC computer, an LG 4K HDR computer display,
an Xbox One S, a Roku Ultra, a Sony soundbar, and a pair of Sony
HDMI-wireless headphones. All sources (Intel NUC, Xbox, and Roku) are able
to deliver 4K HDR video and 5.1/7.1 audio (LPCM decoded or Dolby formats).
The problem here is that the LG display only supports 4K HDR video and
stereo audio; the Sony soundbar supports Dolby Digital 5.1 and 1080p video;
and the Sony headphones support Dolby TrueHD 7.1 and 4K 30Hz (no HDR).
The audio and video signals are delivered using one HDMI cable from the
source, and there is no way to have both 4K HDR video and multichannel
audio. This is because the capabilities of devices are communicated to
the sources via the mechanism called EDID. For my setup, the legit
connection would be source->audio device->display. Both my audio devices
don't support 4K HDR. Then their EDID will tell the source so and the HDR
feature is disabled automatically. On the NUC, it is possible to use an
adapter (USB C to HDMI) to connect the display and audio device separately.
However, the audio device will be identified as a display as well.
PoweverDVD doesn't allow HDR when more than one display is connected. All
the good technologies won't make my setup work, even though theoretically
I have both 4K HDR video and multichannel audio capabilities.
Without an HDMI splitter like this, I would have to buy a new AV system
supporting both 4K HDR and multichannel audio. But my soundbar sounds good
to me and I like the wireless headphones. It would be a waste if I have
to buy a new device every time the technology updates.
That's why a splitter like this is great. I'll just use one setup to
demonstrate how it works. I connect the NUC to the input of the splitter,
the main output to the LG display, and the secondary output to the Sony
HDMI headphones. I set the scaler to ON using the switch. However, without
further configuration, the NUC still reads the EDID from the LG display,
which only has stereo audio. To enable multichannel audio, the EDID of
the splitter needs to be programmed. The single most important feature
of the splitter is that a USB port is provided for the user to change the
EDID. To change the splitter's EDID, I use a Windows 10 PC (the NUC itself)
and connect the splitter with a USB cable. I downloaded the Serial Debug
Assistant app. The splitter has 30 presets of EDIDs. No. 30 provides
support of 4K HDR 60Hz and 7.1 sound. To set it, I sent the command "SET
IN0 EDID 30". Now, the NUC thought the device connected on HDMI has support
of all those formats. The splitter simply sends the data to the display
and headphones separately.
Because I'm not always using the Intel NUC with the splitter, sending
serial port command via an Android phone is another feature available.
For example, when I unplug the splitter from the NUC and plug it to the
Roku Ultra, I can use a USB C to micro cable to connect my phone to the
splitter. I downloaded a serial port tool from the Play store. Then,
sending the command will be the same.
The command to set the EDID has the format: SET INx EDID y", where x is
the input port number (0 means all ports) and y is the EDID preset number
(1-30). There are also 3 user programmable EDID settings. The command to
program the EDID has the format SET INx EDID Uy DATA s, where x is the
input port number, y is the user customizable EDID setting number (1-3),
and s is the EDID string in hexadecimal format.
7. About HDR, please connect HDMI source to TV directly without splitter, test if TV can support
HDMI source HDR. When TV can not display HDMI source HDR info correctly, that means TV issue,
not splitter issue.
8. About HDR, please set HDMI source device HDR feature same as HDMI Splitter HDR after step
5 testing.
9.When picture flash or black screen, please PULL OFF all cables from Splitter,
POWER ON Splitter again, TRIGGER the SCALER button back and forth, PLUG in all HDMI cables.
10. DE-embed SPDIF Optical 5.1CH follows HDMI Splitter OUT 2, no need TV connection.
11. CEC control is on HDMI OUT 1.
12. Please ensure HDMI 2.0 cable be qualified.
About Down Scaler function:
1. Only HDMI Splitter OUT 2 supports down-scaling, and only down-scale 4K to 1080p, no
another resolution; Does not support down-scale 4K HDR Dolby Vision.
2. Does not support up-scaling.
Please check User Manual in box carefully when you need the fastest assistance,
also can GET us easily there by your private email, to get more special offer info,
and efficient service.
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