1. Introduzzjoni
The OREI HDS-401MV HDMI Switcher 4x1 Quad Screen Multiviewer is designed to connect up to four HDMI input sources to a single HD display. This device supports 1080p resolution, DTS/Dolby audio, and offers seamless switching between sources. It features multiple display modes, including a quad-screen multiviewer, allowing simultaneous viewing of up to four inputs. Control options include an IR remote and front panel buttons, with RS-232 for advanced integration. This switcher is ideal for applications requiring flexible display management of multiple HDMI sources.
2. Kontenut tal-Pakkett
Jekk jogħġbok kun żgur li l-oġġetti kollha huma preżenti fil-pakkett:
- 1x OREI HDS-401MV HDMI Switcher
- 1x 5V DC Power Adapter
- 1x Kontroll mill-Bogħod IR
- 1x Manwal għall-Utent
- Mounting Brackets (for installation)

Figure 2.1: Package contents including the switcher, power adapter, remote, and manual.
3. Prodott Aktarview
3.1 Panel ta 'Quddiem
The front panel provides essential controls and indicators for easy operation.
- LED tal-qawwa: Jindika l-istatus tal-enerġija tal-unità.
- Riċevitur IR: Receives signals from the included IR remote control.
- LEDs tad-dħul (1-4): Indicate which HDMI input is currently selected or active.
- Scaler Button: Cycles through different scaling options.
- Buttuna Awdjo: Mutes audio or activates the on-screen display (hold for 1.5 seconds).
- Buttuna tal-Modalità: Cycles through the 5 available display modes (single, 2-screen, 4-screen equal, 4-screen 1-large/3-small, 4-screen 2-large/2-small).
- Agħżel Buttuna: Selects the active input source.
3.2 Panel ta 'wara
Il-pannell ta' wara fih il-konnessjonijiet kollha tad-dħul u tal-ħruġ.
- HDMI Inputs (IN 1-4): Connect your HDMI source devices (e.g., gaming consoles, media players).
- HDMI Output (OUTPUT): Connects to your display device (TV, monitor).
- Ħruġ VGA: Provides an alternative video output for VGA-compatible displays.
- Audio Output (3.5mm Stereo): Analog audio output for external speakers or ampliifikaturi.
- Optical (TOSLINK) Output: Digital audio output for soundbars or AV receivers.
- Port Micro USB: Used for firmware updates and RS-232 control.
- Input ta' Enerġija DC 5V: Connect the included 5V DC power adapter.
- Swiċċ mixgħul/mitfi: Power toggle for the unit.

Figure 3.1: Front and rear panel view of the OREI HDS-401MV HDMI Switcher, highlighting input/output ports and control buttons.
4. Setup
Follow these steps to set up your OREI HDS-401MV HDMI Switcher:
- Qabbad Sorsi HDMI: Connect up to four HDMI source devices (e.g., Blu-ray player, gaming console, cable box, PC) to the HDMI IN 1-4 ports on the rear panel of the switcher using high-quality HDMI cables.
- Qabbad mal-Display: Connect your HD display (TV, monitor, projector) to the HDMI OUTPUT port on the rear panel of the switcher using an HDMI cable. If using a VGA display, connect it to the VGA output.
- Qabbad Awdjo (Mhux obbligatorju): If you wish to extract audio to an external sound system, connect your audio device to either the 3.5mm Stereo Audio Output or the Optical (TOSLINK) Output.
- Qawwa Mixgħul: Connect the included 5V DC power adapter to the DC 5V port on the rear panel and plug it into a power outlet. Flip the On/Off switch to the 'On' position. The Power LED on the front panel will illuminate.
- Position IR Remote: Ensure the IR receiver window on the front panel is unobstructed if you plan to use the remote control.

Figure 4.1: Diagram illustrating typical connections for the OREI HDS-401MV HDMI Switcher with various input sources and display options.
5. Istruzzjonijiet Operattivi
5.1 Inputs tal-Iswiċċjar
You can switch between HDMI input sources using the front panel buttons or the IR remote control.
- Panel ta' quddiem: Press the 'Select' button repeatedly to cycle through the connected HDMI inputs (IN 1 to IN 4). The corresponding Input LED will light up.
- Remote IR: Use the numbered buttons (1, 2, 3, 4) on the remote to directly select the desired HDMI input.
5.2 Multiviewer Modi
The HDS-401MV offers 5 different display modes for viewing multiple inputs simultaneously or individually.
- Mode 1 (Single Screen): Displays one selected HDMI input in full screen.
- Mode 2 (2-Screen Mode): Displays two selected HDMI inputs side-by-side.
- Mode 3 (4-Screen Equal): Displays all four HDMI inputs in equal-sized quadrants.
- Mode 4 (4-Screen 1-Large/3-Small): Displays one large HDMI input with three smaller inputs on the side.
- Mode 5 (4-Screen 2-Large/2-Small): Displays two large HDMI inputs with two smaller inputs.
Press the 'Mode' button on the front panel or the remote control to cycle through these display modes. Use the 'Select' button to choose which inputs are displayed in multi-viewer modes.

Figure 5.1: Visual representation of the various multiviewer display modes available on the OREI HDS-401MV.
5.3 Ġestjoni tal-Awdjo
The switcher supports audio extraction and pass-through for various formats.
- Awdjo Mute: Tap the 'Audio' button on the front panel or remote to mute/unmute the audio from the selected HDMI input.
- Wiri fuq l-Iskrin (OSD): Hold the 'Audio' button for 1.5 seconds to activate the On-Screen Display for advanced audio settings.
- Audio Pass-through: Supports DTS Digital, Dolby Digital, LPCM, True HD/DTS-HD master audio, and pass-through for 5.1, 7.1, and 9.1 channel audio.
5.4 Resolution Scaling
The 'Scaler' button on the front panel allows you to adjust the output resolution to match your display's capabilities or preferences.
- Għażliet ta' Riżoluzzjoni: Cycle through available output resolutions (e.g., 1080p, 720p) by pressing the 'Scaler' button.
5.5 Firmware Update & RS-232 Control
The Micro USB port on the rear panel can be used for firmware updates and serial control.
- Aġġornament tal-Firmware: Connect the Micro USB port to a computer to update the device firmware as needed.
- Kontroll RS-232: Use the Micro USB port with an appropriate RS-232 to USB cable and a serial command tool on your PC to send ASCII commands for device control.
Video 5.2: Official OREI product video demonstrating the features and functionality of the Quad Multi-Viewer HDMI Switcher.
6. Speċifikazzjonijiet
| Mudell | HDS-401MV |
| Inputs | 4x HDMI |
| Outputs | 1x HDMI, 1x VGA, 1x 3.5mm Stereo Audio, 1x Optical (TOSLINK) |
| Konformità HDMI | HDMI 1.4 |
| Konformità HDCP | HDCP 1.4 |
| Riżoluzzjonijiet Appoġġjati | Sa 1080p |
| Formati Awdjo | DTS Digital, Dolby Digital, LPCM, True HD/DTS-HD Master Audio (Pass-through 5.1, 7.1, 9.1) |
| Metodi ta' Kontroll | Front Panel Buttons, IR Remote Control, RS-232 (via Micro USB) |
| Provvista tal-Enerġija | DC 5V/1A |
| Egħluq | Metall |
| Piż tal-oġġett | 1.5 Liri |
7 Issolvi l-problemi
Jekk tiltaqa' ma' xi problemi, jekk jogħġbok irreferi għas-soluzzjonijiet komuni li ġejjin:
- Ebda Output tal-Vidjo:
- Ensure all HDMI/VGA cables are securely connected.
- Verify the power adapter is connected and the unit is powered on.
- Check if the correct input source is selected on the switcher and your display.
- Ipprova kejbil HDMI/VGA differenti.
- Test with a different display or source device to isolate the problem.
- Ebda Output Awdjo:
- Ensure audio cables (3.5mm or Optical) are correctly connected to your sound system.
- Check if the audio is muted on the switcher (tap the 'Audio' button).
- Verify your sound system is powered on and set to the correct input.
- Confirm the source device is outputting audio.
- Il-Kontroll mill-bogħod Mhux Jaħdem:
- Ensure there are no obstructions between the remote and the switcher's IR receiver.
- Iċċekkja l-batteriji fil-kontroll remot.
- Point the remote directly at the IR receiver window.
- Picture Quality Issues (Flickering, Distortion):
- Use shorter, high-quality HDMI cables (recommended under 10 feet).
- Try adjusting the resolution using the 'Scaler' button on the front panel.
- Ensure your source and display devices are compatible with the selected resolution.
8. Garanzija u Appoġġ
The OREI HDS-401MV HDMI Switcher comes with a Garanzija sħiħa ta 'sena from OREI. This warranty covers defects in materials and workmanship under normal use.
For technical support, troubleshooting assistance, or warranty claims, please contact OREI customer service:
- Email: info@orei.com
- Kuntatt tal-manifattur: info@orei.com
- Packer Contact: info@fayzelectronics.com, 99250 12671
Jekk jogħġbok żomm il-prova tax-xiri tiegħek għall-validazzjoni tal-garanzija.