Q: Can every TV work with the 4K 4x2 HDMI Matrix Switch?
A: Basically, the answer is YES. But if your TV can not support 4K, please refer the EDID LEARNING section to learn EDID from your TV.
Q: What is EDID? Why do I need to learn EDID?
A: EDID contains the whole information of the display such as the resolution and audio setting which this display can support. Therefore, based on the EDID information, media player will pick up the most suitable resolution and audio setting to the display. In order to faithfully transmit the EDID information from display to the media player, learning EDID from display to this device is necessary.
Q: What should I do to learn EDID for the matrix?
A: Due to the limitation of HDMI, the source device can only output one format of video and audio. In other words, the source device cannot output 720p and 1080p video at the same time, or output stereo and surround sound at the same time. Therefore, you may need to manually setup each HDMI input for desirable audio/video output format. The mechanism of EDID Learning is to pick up the HDMI display with the lowest capability among the ones you would use for this input source. For example, if user would like to play the Input-2 upon output-2, output-3 and output-4, and only output - 3 cannot support 1080p [support up to 720p only], please learn the EDID from the display connected to the output - 3 at the Input - 2 port. Of course, if output - 3 would get the HDMI signals from every HDMI input, please learn EDID information from output3 to all four HDMI inputs.
Q: My TV can support 1080p, but why there is no audio?
A: The factory default EDID of this device is 1080p & 2ch audio. However, there would be a problem after you change to use 1080p & 7.1ch if the TV cannot support 7.1ch audio. Please use the default EDID, 1080p & 2ch audio.
Q: When I set an audio amplifier (AV receiver) between TV and the matrix to extract 7.1ch audio, but why there is still no audio?
A: Basically, the default EDID of the chosen input can support 7.1ch audio, but the problem is that the EDID of the amplifier still cannot match the default setting. Therefore, the best method is to learn EDID from the amplifier directly. Please refer to EDID LEARNING section and follow the steps to learn the EDID. When learning EDID from the amplifier, user just needs to connect the matrix and amplifier. Please don't connect HDMI cable between amplifier and TV when the EDID learning is proceeding.
Q: When I play the same content upon multi-displays, why only the TV equipped with amplifier can have 7.1ch audio, and the others don't have 7.1ch audio even no stereo?
A: Due to the limitation of HDMI, the source only can choose one video and one audio format to play, which can be either 1080p and 7.1ch or 1080p and stereo audio. It means when the user sets the matrix at 1080p and 7.1ch, the source will only play the content under this format. Therefore, if the TV cannot decode 7.1ch audio, there is no audio.
This product may be eligible to be purchased through the United States Governments SEWP program, similar to their GSA program.
The NASA SEWP (Solutions for Enterprise-Wide Procurement) provides the latest in Information and Communications Technology (ICT) and Audio-Visual (AV) products and services for all Federal Agencies and their approved contractors.
If you are a government agency and want to see whether HDTV Supply has this product in the SEWP database go to our our SEWP Contract Holder RedHawk IT Solutions, LLC
to allow you to maybe order this product from the United States Governments SEWP program. It is very easy to place your order, go to the link above and enter HDTV Supply and there you will see a list of part numbers of what we currently have. If you do not see it than give us a call at 833-WOLFPACK (833-965-3722) and we may be able to enter it.
Our SEWP Contract Holder RedHawk IT Solutions partner has the following credentials:
- DUNS: 801957023
- TIN: 260452583
- CAGE: 4TBM6
Their SEWP Federal Contracts are:
- SEWP Contract Number: NNG15SD38B
- Group: Group B_SDVOSB
- NAICS: 541519
- SEWP Contract Number: NNG15SD88B
- Group: Group C
- NAICS: 541519
The SEWP Program Office manages a suite of government-wide IT products and services contracts that enable NASA and all Federal Agencies to achieve their missions and strategic initiatives by providing streamlined access to critical technologies and solutions. The Program provides best value for the Federal Government and American taxpayer through innovative procurement processes, premier customer service and outreach, acquisition insight, and partnership with Government entities and Industry.
For a complete listing of HDTV Supply products from us, or our other vendors, call 833-WOLFPACK (833-965-3722).