1. Уводзіны
Thank you for choosing the AVMATRIX SD1242-4K HDMI Splitter. This device is designed to distribute a single HDMI 2.0 input signal to four HDMI 2.0 outputs, supporting resolutions up to 4K@60Hz with RGB 4:4:4 color space. It features EDID management and dual power supply options (USB-C and DC) for versatile use in various professional and home environments.
2. Інфармацыя па бяспецы
- Пераканайцеся, што прылада знаходзіцца ў добра вентыляваным памяшканні, каб прадухіліць перагрэў.
- Не падвяргайце прыладу ўздзеянню вільгаці, дажджу або экстрэмальных тэмператур.
- Выкарыстоўвайце толькі прадастаўлены адаптар сілкавання або сумяшчальную крыніцу сілкавання.
- Avoid disassembling the unit; refer all servicing to qualified personnel.
- Трымайце прыладу далей ад моцных магнітных палёў.
3. Змесціва ўпакоўкі
Калі ласка, праверце ўпакоўку на наяўнасць наступных прадметаў:
- AVMATRIX SD1242-4K HDMI Splitter Unit
- Адаптар сілкавання
- USB-кабель Type-C
- Кіраўніцтва карыстальніка (гэты дакумент)
4. Прадукт скончыўсяview
The AVMATRIX SD1242-4K is a compact and robust HDMI splitter designed for high-quality video distribution. It features one HDMI input and four HDMI outputs, allowing a single source to be displayed on up to four screens simultaneously.

Малюнак 1: Пярэдняя і задняя часткі view of the AVMATRIX SD1242-4K HDMI Splitter, showing HDMI input, four HDMI outputs, USB-C, and DC power ports.

Figure 2: The AVMATRIX SD1242-4K HDMI Splitter highlighting its HDMI 2.0 inputs/outputs and support for up to 4K@60Hz resolution for ultra-high-definition picture quality.
4.1 Асаблівасці
- 1 HDMI 2.0 input to 4 HDMI 2.0 outputs.
- Supports resolutions up to 4K@60Hz (RGB 4:4:4).
- EDID management with Auto, Standard, Customize, and EDID Copy modes.
- Dual power supply: USB Type-C and DC 12V.
- Built-in OLED display for real-time status.
- Control via front panel buttons or PC software.
5. Настройка
Follow these steps to set up your AVMATRIX SD1242-4K HDMI Splitter:
- Connect HDMI Source: Connect your HDMI source device (e.g., PS4, Blu-ray player, computer) to the HDMI IN port on the splitter using a high-quality HDMI 2.0 cable.
- Падключэнне дысплеяў HDMI: Connect up to four HDMI display devices (e.g., HDTVs, monitors, projectors) to the HDMI OUT 1-4 ports on the splitter using high-quality HDMI 2.0 cables.
- Падключыце харчаванне: Connect the provided power adapter to the DC 12V port on the splitter, or connect a USB Type-C cable to the USB-C port and a compatible USB power source. The device supports both power options.
- Уключэнне: Ensure all devices (source, splitter, displays) are powered on. The splitter's OLED display will show its status.

Figure 3: Illustration of the AVMATRIX SD1242-4K HDMI Splitter distributing a single video source to four separate display screens, demonstrating its 1x4 distribution capability.
6. Інструкцыя па эксплуатацыі
6.1 Кіраванне EDID
The SD1242-4K features EDID management to ensure optimal compatibility and performance between your source and display devices. You can configure EDID settings using the front panel buttons or the PC control software.

Figure 4: Comparison of a display without EDID management (left, showing potential compatibility issues) and with EDID management (right, showing seamless communication and optimal display).
There are four EDID modes available:
- Аўто: The splitter automatically detects and selects the best EDID settings based on the connected displays.
- стандартны: Uses a default, common EDID setting for broad compatibility.
- Наладзіць: Allows users to upload a custom EDID file via PC software.
- Копія EDID: Copies the EDID from a specific output display (e.g., Output 1) to be used for all outputs.
6.2 Параметры кіравання
The device can be controlled via its front panel buttons or through dedicated PC software.

Figure 5: Demonstrates the two primary control methods for the AVMATRIX SD1242-4K: direct interaction with the front panel buttons and comprehensive control via PC software interface.
- Пярэдняя кнопка: Use the buttons located on the front panel to navigate menus on the OLED display and adjust basic settings, including EDID modes.
- Кіраванне праграмным забеспячэннем ПК: Connect the splitter to a computer via its USB port. Install the AVMATRIX control software to access advanced settings, customize EDID, and monitor device status.
6.3 Варыянты крыніцы харчавання
The SD1242-4K offers flexible power options for convenience.

Figure 6: Illustrates the dual power supply capabilities of the AVMATRIX SD1242-4K, showing both the traditional DC power input and the modern USB Type-C power input.
- Крыніца харчавання пастаяннага току: Use the included 12V DC power adapter for stable and continuous power.
- USB Type-C Power Supply: For portability or when a DC outlet is unavailable, power the device using a standard USB Type-C cable connected to a compatible USB power source (e.g., power bank, computer USB port).
7. Тэхнічнае абслугоўванне
- Уборка: Для чысткі вонкавага боку прылады выкарыстоўвайце мяккую сухую тканіну. Не выкарыстоўвайце вадкія або аэразольныя ачышчальнікі.
- захоўванне: Калі прылада не выкарыстоўваецца працяглы час, захоўвайце яе ў прахалодным, сухім месцы, удалечыні ад прамых сонечных прамянёў.
- Абнаўленні прашыўкі: Check the AVMATRIX official website periodically for firmware updates to ensure optimal performance and compatibility.
8. Выпраўленне непаладак
If you encounter issues with your AVMATRIX SD1242-4K, refer to the following common problems and solutions:
| праблема | Магчымая прычына | Рашэнне |
|---|---|---|
| No video output on displays. | Loose HDMI cables, incorrect EDID setting, power issue. | Check all HDMI cable connections. Ensure the splitter is powered on. Try different EDID modes (Auto or Standard). Test with a different HDMI source or display. |
| Video flickering or unstable image. | Poor quality HDMI cables, signal interference, EDID mismatch. | Use certified high-speed HDMI 2.0 cables. Ensure cables are not excessively long. Adjust EDID settings. Reduce cable length if possible. |
| Displays show different resolutions. | EDID setting not optimized for all displays. | Use EDID Copy mode from the lowest resolution display or a custom EDID that all displays can support. |
| Прылада не ўключаецца. | Power adapter not connected, faulty power source. | Verify power adapter is securely connected to both the splitter and a working power outlet. Try the USB-C power option if DC fails, or vice-versa. |
9. Тэхнічныя характарыстыкі
| Асаблівасць | Дэталь |
|---|---|
| мадэль | SD1242-4K |
| Відэа ўваход | 1x HDMI тыпу A |
| Відэавыхад | 4x HDMI тыпу A |
| Стандарт HDMI | HDMI 2.0 |
| Максімальная дазвол | 4096x2160p 60/59.94/50/30/29.97/25/24/23.98 |
| Color Space & Precision | RGB 4:4:4 8 bit, YUV 4:2:2 8 bit, YUV 4:4:4 8 bit |
| Электразабеспячэнне | DC 12V / USB-C |
| Энергаспажыванне | 6W |
| тtage Range (USB) | USB 5V-5.5V |
| тtage Дыяпазон (DC) | Пастаянны ток 5.5-24 В |
| Памеры (LWD) | 125.5 х 104 х 24.5 мм |
| Вага нета | 471 г |
| Працоўная тэмпература | -20°C ~ 60°C |
| Тэмпература захоўвання | -30°C ~ 70°C |
10. Інфармацыя аб гарантыі
AVMATRIX products are covered by a limited warranty against defects in materials and workmanship. The warranty period typically begins from the date of purchase. Please retain your proof of purchase for warranty claims. For specific warranty terms and conditions, refer to the warranty card included with your product or visit the official AVMATRIX webсайт.
This warranty does not cover damage caused by improper installation, accident, misuse, abuse, natural disaster, or unauthorized modification of the product.
11. Падтрымка кліентаў
If you require further assistance or have questions not covered in this manual, please contact AVMATRIX customer support:
- Webсайт: www.avmatrix.net (for product information, drivers, and firmware updates)
- электронная пошта: Звяртайцеся да чыноўніка webсайт для атрымання канкрэтных адрасоў электроннай пошты падтрымкі.
- тэлефон: Звяртайцеся да чыноўніка webсайт рэгіянальных кантактных тэлефонаў.
When contacting support, please have your product model (SD1242-4K) and a detailed description of your issue ready.





