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INTEGRAL 2
Deliver True 4K60 4:4:4 Signal Distribution, Video Scaling, EDID Management, and Error-Free HDCP Handshaking.
UHD / HDR Splitter & Scaler
Connection & Buttons Guide
The output HDMI/HDCP 1.x device (such as an older 1080p TV or AV receiver) must be connected to the output port labeled TOP (Downscale). If you plan to establish a 4K60 4:4:4 8-bit or 4K60 4:2:2 12-bit (600MHz/18Gbps) connection within your system, please ensure you are using 600MHz-certified HDMI 4K cables.
Operating Instructions
Installation & Configuration
[Key Combination Operation: Hold INFO + Press INP repeatedly]
Quickly cycle through the 10 scaling quick-presets for the TOP output port (TX1) while in Auto-scale mode.
When the "Auto-scale" option is selected (refer to page 12 of the manual), both output ports will automatically perform Auto Sense to detect the capabilities of the connected displays, attempting to scale or convert the signal to the maximum limit supported by each device.
  • TOP Output Port (TX1): Can be further configured via the GUI software to implement specialized video modes based on the input signal.
  • BOT Output Port (TX0): Similarly performs auto-detection and scales/converts the signal dynamically as required.
  • Additional GUI Option: The software includes an extra setting to "Prevent Upscaling", ideal for users who prefer to maintain the source's native resolution or wish to let the display handle the upscaling process itself.
Example Scenarios
  • If the display connected to the TOP port supports a maximum of 1080p60 8-bit, any incoming 4K signal will be automatically down-converted.
  • If the BOT port supports a maximum of 4K60 4:2:0 300MHz, and the incoming signal exceeds this specification, the system will automatically perform a chroma conversion to fit within the 300MHz bandwidth limit. The built-in algorithm automatically detects support for Deep Color and BT.2020, adjusting the signal parameters accordingly.
The 10 Quick-Presets for the TOP Output Port
For operational convenience, the system provides 10 Quick-Presets specifically for the scaling functions of the TOP output port (TX1).
  • Operation: Press and hold the "INFO" button, then press the "INPUT/INP" button sequentially a specific number of times (the number of presses corresponds to the preset number). Finally, release the "INFO" button to complete the preset switch. (Please refer to page 14 of the user manual for the detailed specification matrix of each preset).
[Available Custom EDID Selection List]
Users can select any single EDID profile from the list provided below, or use the "Automix" feature to dynamically generate a custom blended EDID.
  1. FIXED EDID with L/R Stereo
  • Base Spec: 4K60 4:2:0 300MHz 8-bit with 2ch audio.
  1. CUSTOM USE
  • Features a total of 100 Custom EDID slots available for selection. Please refer to page 15 of the user manual for the complete directory.
  1. AUTOMIX MODE
  • When in Automix mode, you can toggle the following Enforceable flags: 2.0ch Stereo / 5.1ch / 7.1ch Full Audio Support, Native Display Capabilities, BT.2020 / xvYCC Color Gamut, HDR10+ / HLG / Dolby Vision, remove 3D support, and remove YCbCr Format.
  • Additionally, Automix mode provides the following Selectable algorithms to determine the blending logic:
  • Min Mixed Capabilities: Takes the lowest common denominator (intersection) of both displays; this is the safest and least error-prone mode.
  • Max Audio / Min Video: Prioritizes maximum audio capabilities while downscaling the video to the minimum compatible baseline.
  • Top Output Priority: Video and audio specifications are dictated entirely by the device connected to the TOP output port (TX1) as the highest priority.
  • Bot Output Priority: Video and audio specifications are dictated entirely by the device connected to the BOT output port (TX0) as the highest priority.
  1. Max Audio / Max Video: Forces the system to output both the maximum audio and video capabilities supported by each respective display.

Note: All aforementioned options and mode switching can be controlled remotely via IR (Infrared), the Windows dedicated USB GUI, RS232 serial commands, or the Android/iOS mobile apps. To upload your own custom EDID files or to extract (Sniff) EDID data from a downstream display device, please refer to the GUI Software Operations section on page 24 of the manual.
INTEGRAL 2 EDID Utility User Manual (Windows)
Step 1: Driver Installation
After downloading, open the folder, locate USBXpressInstaller_x64, and run the installation.

Note: If your computer is running a 32-bit Windows system rather than the standard 64-bit architecture, please execute USBXpressInstaller_x86 instead.
Step 2: Installing the GUI Software (Windows Application)
After downloading, extract and open the Integral2_2.40.2.45_GUI_2.34 [for Driver v4.0.0] folder.
Perform the MCU and FPGA updates separately. (For complete firmware update instructions, please refer to page 21 of the User Manual).
Launch INTEGRAL2-2.34-GUI to open the Integral 2 Graphical User Interface (GUI).

Note: After completing the FPGA firmware update, the system will prompt you to power cycle the Integral 2 (unplug and replug the power cable). Once power is reconnected, no LED indicators will light up for approximately 15 seconds, as the device is performing an internal reconfiguration. Once the configuration is finalized, the LED indicators will return to normal.
Step 3: Successfully Launching the Integral 2 USB GUI
Once the GUI application is launched, the interface will display as shown below.
For a comprehensive guide to all available features and functions, please refer to page 24 of the User Manual.
Frequently Asked Questions
By default or after a firmware update, you may see a custom text string displayed in the upper-left corner of the On-Screen Display (OSD). How do you make the Integral 2 functional?
If you see this message, please follow these steps:
  1. Press and hold the RST (Reset) button.
  1. While holding it down, press the INP (Input Switch) button twice.
  1. Release all buttons.
The Integral 2's OSD will then prompt you to power cycle the device (unplug and replug the USB power cable). Once the reboot is complete, the message will disappear from the screen, and your Integral 2 is ready to deliver optimal performance.
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