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BZBGEAR BG-MVS4X4-CV Setup and Operation Guide

Trevon Martin • October 17, 2025

1. Basic Setup

  1. Connect HDMI Sources
    Plug your HDMI source devices (e.g., Blu-ray players, PCs, media players) into the HDMI IN 1–4 ports.
  2. Connect HDMI Displays
    Connect your displays or monitors to the HDMI OUT 1–4 ports.
      -  Note: If setting up a video wall, ensure each display is connected to the correct HDMI output port according to your layout configuration.
  3. Connect Power
    Plug in the 12V DC power adapter and connect it to the unit.
  4. Power On
    Turn on the unit. The Power LED will illuminate green when the system is ready.


2. Operation Modes

A. 4×4 Matrix Mode

This mode allows you to route any HDMI input to any HDMI output.

To switch inputs:

  1. Press the desired OUTPUT button (1–4 or ALL) on the front panel or remote.
  2. Press the desired INPUT button (1–4) to assign that input to the selected output(s).

Example:
OUTPUT 2 → INPUT 3 routes the signal from HDMI IN 3 to HDMI OUT 2.

Resolution Control (Matrix Mode Only)

To change output resolution:

  1. Press the OUTPUT button (1–4 or ALL).
  2. Press the Res button on the remote to cycle through available resolutions:
    • 1080p
    • 720p
    • 1920×1200
    • 4K@30Hz

Each output can be upscaled or downscaled individually as needed.

B. Video Wall Mode

Use this mode to combine multiple displays into one large seamless image.

Supported Configurations:

  • 2×2
  • 1×4
  • 4×1
  • Custom layouts

To activate a video wall:

  1. Press the corresponding Video Wall Mode button on the remote.
  2. Select the video wall group (OUTPUT 1–4).
  3. Choose the desired input source (INPUT 1–4 or use ◀ / ▶ to navigate).

Bezel Adjustment

To fine-tune display alignment:

  • Ensure your TVs’ “Fit to Screen” or similar scaling options are enabled.
  • Use the remote’s H-BEZEL and V-BEZEL arrow keys to adjust horizontal and vertical bezels for perfect image alignment.

Note: Please check the resizing and picture formatting settings on your displays before making bezel corrections. 

Video Wall Output Resolution

  • All video wall outputs are fixed at 1080p.
  • Any outputs not part of the video wall operate in pass-through mode.

Image Mirroring

  • Available only in Video Wall Mode.
  • If an image appears reversed, check the Mirror Mode setting and disable it if not desired.

3. Troubleshooting Guide

Issue

Possible Cause

Solution

No video output

Loose HDMI connection or incompatible resolution/frame rate

Check all HDMI cables and connections. Ensure all devices are powered on. Verify that the source resolution is supported by both the BG-MVS4X4-CV and your display.

Video flickers or drops

HDMI cable too long (over 50 ft) or signal loss through extenders/converters

Use certified HDMI cables within distance limits or Active Optical Cables (AOC). Verify extender/converter compatibility and proper connection.

No response from remote

Blocked IR sensor or weak batteries

Replace batteries and ensure a clear line of sight to the unit’s IR receiver.

Wrong video wall layout

Incorrect preset or output connection order

Try different video wall presets or reassign outputs to match your display layout.

Mismatched resolutions

Output scaling mismatch

Press Res and select the correct resolution for your display.

Unit not powering on

Faulty power adapter or damaged port

Verify 12V adapter functionality. Replace if defective. Contact BZBGEAR Support for a replacement if needed.

Image mirrored incorrectly

Mirror Mode enabled

Disable Mirror Mode in Video Wall settings.

4. Tips and Best Practices

  • Use high-quality HDMI 2.0 or higher cables for stable 4K transmission.
  • For long cable runs, use Active Optical Cables (AOC) or HDMI extenders.
  • Always power off devices before making or changing connections to avoid handshake issues. 
  • When configuring a video wall, label your HDMI cables and displays for easier setup and troubleshooting.
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