BG-UHD-KVM41MV
4K60 4x1 Seamless UHD Video & USB 3.0 KVM Switcher with
Multiviewer Control
User Manual
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 2
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
TABLE OF CONTENTS
Statement 4
Safety Precaution 4
Introduction 5
Features 5
Packing List 6
Specifications 7
Operation Controls and Functions 9
IR PIN Definition 11
IR Remote Functions 11
Hotkey Function 13
EDID Settings 15
EDID Mode List - EDID Mode Descriptions 15
Video & Audio 16
Supported Video Output Resolutions 16
Multiview 17
OSD Menu Navigation 18
Controller Software Operation Guide 20
RS-232 Command List 23
Connection Diagram 25
Troubleshooting 26
Tech Support 27
Limited Product Warranty Terms 27
Mission Statement 28
Copyright 28
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 3
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Statement
Please read these instructions carefully before connecting, operating, or configuring this
product. Please save this manual for future reference.
Safety Precaution
● To prevent damaging this product, avoid heavy pressure, strong vibration, or immersion
during transportation, storage, and installation.
● The housing of this product is made of organic materials. Do not expose to any liquid,
gas, or solids which may corrode the shell.
● Do not expose the product to rain or moisture.
● To prevent the risk of electric shock, do not open the case. Installation and maintenance
should only be carried out by qualified technicians.
● Do not use the product beyond the specified temperature, humidity, or power supply
specifications.
● This product does not contain parts that can be maintained or repaired by users.
Damage caused by dismantling the product without authorization from BZBGEAR is not
covered under the warranty policy.
● Installation and use of this product must strictly comply with local electrical safety
standards.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 4
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Introduction
The BG-UHD-KVM41MV 4K60 4×1 Seamless UHD Video & USB 3.0 KVM Switcher
allows up to four HDMI sources to be displayed and controlled on a single UHD or
HD monitor at up to 4K@60Hz. It supports both single-screen and multiview layouts,
letting users freely arrange, resize, and switch between inputs with smooth,
seamless performance.
In addition to high-quality video switching, the unit functions as a full KVM solution,
enabling one keyboard, mouse, and USB peripherals to control up to four
computers via built-in USB 3.0 sharing. Audio de-embedding is also supported
through analog and optical outputs for external sound systems.
The switcher offers multiple control options—including front panel buttons, IR
remote, keyboard/mouse hotkeys, on-screen display (OSD), PC control software,
and RS-232—making it flexible for professional AV, control room, and workstation
environments. Plug-and-play compatibility with Windows, macOS, and Linux
ensures easy deployment with no drivers required.
Features
● 4×1 4K60 HDMI Switching: Connect and switch up to four HDMI sources to a
single display at up to 4K@60Hz resolution.
● Seamless Switching: Provides smooth, glitch-free transitions between inputs
without signal interruption.
● Multiview Display Modes: Supports 8 layouts including Single, PIP, PBP, Triple, and
Quad viewing modes on one screen.
● 4K60 UHD Video Support: Handles uncompressed HDMI 2.0b video up to
4K@60Hz 4:4:4 with 18Gbps bandwidth.
● USB 3.0 KVM Functionality: Share one keyboard, mouse, and USB peripherals
across up to four connected computers.
● Built-In USB 3.0 Hub: Features a 3-port USB 3.1 Gen 1 hub with up to 5Gbps data
transfer speeds.
● Audio De-Embedding: Extracts audio via analog RCA and optical S/PDIF outputs
for external audio systems.
● Advanced Audio Support: Passes LPCM, Dolby Digital/Plus, and DTS audio
formats up to 7.1 channels.
● Independent Audio Control: Allows separate audio selection and volume control
regardless of video source.
● EDID Management: Ensures optimal compatibility and stable signal negotiation
between sources and display.
● OSD Menu Control: Provides on-screen display for easy configuration and layout
adjustment.
● Multiple Control Options: Supports front panel buttons, IR remote,
keyboard/mouse hotkeys, PC software, and RS-232.
● Wide OS Compatibility: Works with Windows, macOS, and Linux systems with no
driver installation required.
● Compact Metal Enclosure: Durable, space-saving design ideal for professional AV
and workstation environments.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 5
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Packing List
● 1 × 4K60 4×1 Seamless UHD Video & USB 3.0
KVM Switcher
● 1 × IR Remote
● 1 × 3-pin 3.81mm Phoenix Connector
● 1 × 38KHz IR Receiver Extension Cable (1.5 m)
● 2 × Mounting Ears
● 4 × Mounting Screws (KM3×4)
● 4 × USB 3.0 Cables (AM to BM, 1.8 m)
● 1 × 12V/2.5A Locking Power Supply
● 1 × User Manual
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 6
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Specifications
Technical
HDMI Compliance
HDMI 2.0b
HDCP Compliance
HDCP 2.2 / 1.4
Video Bandwidth
18Gbps
Max Video Resolution
Up to 4K2K@60Hz 4:4:4
Color Space
RGB, YCbCr 4:4:4, YCbCr 4:2:2, YCbCr 4:2:0
Color Depth
8 / 10 / 12-bit
IR Level
5Vp-p
IR Frequency
Fixed 38KHz
ESD Protection
±8kV (Air) / ±4kV (Contact) IEC 61000-4-2
Audio
HDMI Audio Formats
PCM 2.0/5.1/7.1, Dolby Digital/Plus/EX, DTS, DTS-96/24,
DTS-HD, DSD
Analog Audio Output
PCM 2.0 (RCA L/R)
Optical Audio Output
Dolby Digital/Plus, DTS 5.1, PCM 2.0
HBR Audio Support
Not supported
Connections
HDMI Inputs
4 × HDMI Type-A (19-pin)
HDMI Output
1 × HDMI Type-A (19-pin)
Audio Outputs
1 × RCA L/R, 1 × Optical (S/PDIF)
RS-232 Control
1 × 3-pin 3.81mm Phoenix Connector
IR Input
1 × 3.5mm Stereo Mini-Jack
USB Host Ports
4 × USB 3.0 Type-B
USB Device Ports
2 × USB 2.0 Type-A, 3 × USB 3.0 Type-A
Mechanical
Housing
Metal Enclosure
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 7
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Color
Black
Dimensions (W × D × H)
8.7 × 3.9 × 1.7 in / 220 × 100 × 44 mm
Weight
0.98 lbs / 443 g
Power
Power Supply Input
AC 100–240V, 50/60Hz
Power Supply Output
DC 12V / 2.5A
Max Power Consumption
18.48W
Environmental
Operating Temperature
32°F to 104°F (0°C to 40°C)
Storage Temperature
-4°F to 140°F (-20°C to 60°C)
Relative Humidity
20% to 90% RH (non-condensing)
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 8
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Operation Controls and Functions
Front Panel
No.
Name
Function Description
1
Power button
▪ Short press to power on the device.
▪ Long press for 1 second to enter standby mode.
2
Power LED
Lights green when powered on, red in standby.
3
Input 1-4
LEDs
Input signal indicators.
Single screen: green LED lights for corresponding HDMI input.
Multiview: all LEDs green.
4
AUTO LED
Single screen: green when AUTO mode is on; HDMI input is identified
automatically.
5
IR Window
Receives IR signals from the remote control.
6
AUTO button
Automatic switching button (only in single screen display mode).
7
INPUT button
▪ Single screen: short press to switch input.
▪ Multiview: short press cycles yellow border to next window
(PIP/PBP/Triple/Quad).
▪ Long press: OSD displays corresponding input.
8
Multiview
button
▪ Short press: cycle display modes (Single → PIP → PBP → Triple → Quad →
Single).
▪ Long press (3s): select aspect ratio (16:9/Full) for multi-window modes.
9
RES button
▪ Short press: OSD shows current output resolution; press again to cycle
resolutions.
▪ Long press (3s): switch output to 1280x720p60.
10
USB 3.0 port
USB 3.0 device input port.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 9
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Rear Panel
No.
Name
Function Description
1
L/R Port
PCM 2.0 analog audio output (RCA L/R).
2
OPTICAL Port
Optical digital audio output (S/PDIF).
3
HDMI OUTPUT Port
HDMI signal output to a display device such as a TV or monitor.
4
HD 1 / 2 / 3 / 4 INPUT
Ports
HDMI signal input ports for source devices such as PCs or media
players.
5
RS-232 Port
3-pin Phoenix connector for serial control, firmware upgrade, or
RS-232 commands.
6
IR EXT Port
External IR input for 38KHz IR receiver cable when front IR window is
blocked or inaccessible.
7
DC 12V Port
DC 12V / 2.5A power input.
8
Hotkey ON / OFF
Switch
Enables or disables keyboard and mouse hotkey switching mode.
9
WIRE REMOTE Port
Reserved port for future KVM upgrades or custom keyboard
connection.
10
Keyboard & Mouse
Ports
Two USB 2.0 ports for KVM keyboard and mouse connection.
11
HOST 1 / 2 / 3 / 4 Ports
USB 3.0 host ports corresponding to HDMI inputs for KVM control of
connected PCs.
12
USB 3.0 Device Ports
USB 3.1 Gen 1 ports for shared peripherals such as flash drives,
cameras, or printers.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 10
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
IR PIN Definition
IR Remote Functions
Power Control
● Power / Standby: Toggles the unit between
powered-on and standby modes.
Video Control
● HD 1 / 2 / 3 / 4: Select HDMI input source in single
screen mode.
● Previous Input:
○ Single screen mode: Switch to previous input.
○ Multiview mode: Switch to the HOST of the previous window.
● Next Input:
○ Single screen mode: Switch to next input.
○ Multiview mode: Switch to the HOST of the next window.
● Multiview Mode:
○ Short press cycles display modes: Single → PIP → PBP (1) → PBP (2)
→ Triple (1) → Triple (2) → Quad (1) → Quad (2).
○ Long press (3 seconds) selects aspect ratio (16:9 / Full) for multiview
modes.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 11
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
● RES:
○ Short press cycles HDMI output resolutions.
○ Long press (3 seconds) forces output to 720p@60Hz.
OSD Menu Navigation
● MENU / EXIT / UP / DOWN / LEFT / RIGHT / OK: Navigate and control the
on-screen display (OSD) menu.
Audio Control
● A-IN: Opens the audio source selection OSD.
● Mute: Mutes or unmutes the audio output.
● VOL− / VOL+: Decrease or increase audio output volume.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 12
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Hotkey Function
Hotkey Switch
The Hotkey ON/OFF switch on the rear panel enables or disables keyboard and mouse
hotkey control.
● ON: Keyboard and mouse hotkey functions are enabled.
● OFF: Keyboard and mouse hotkey functions are disabled.
Keyboard Hotkeys
(Hotkey mode must be enabled)
Input & USB Host Switching
● Ctrl + Ctrl + 1: Switch to HDMI Input 1 and USB HOST 1
● Ctrl + Ctrl + 2: Switch to HDMI Input 2 and USB HOST 2
● Ctrl + Ctrl + 3: Switch to HDMI Input 3 and USB HOST 3
● Ctrl + Ctrl + 4: Switch to HDMI Input 4 and USB HOST 4
Audio Source Selection
● Ctrl + Ctrl + A + 1: Select Input 1 as audio source
● Ctrl + Ctrl + A + 2: Select Input 2 as audio source
● Ctrl + Ctrl + A + 3: Select Input 3 as audio source
● Ctrl + Ctrl + A + 4: Select Input 4 as audio source
Multiview Mode Switching
● Ctrl + Ctrl + F1:
○ Cycle PIP mode and PIP position
○ Cycle PBP modes (PBP 1 / PBP 2)
○ Cycle Triple modes (Triple 1 / Triple 2)
○ Cycle Quad modes (Quad 1 / Quad 2)
Audio & System Control
● Ctrl + Ctrl + A + E: Audio unmute
● Ctrl + Ctrl + A + D: Audio mute
● Ctrl + Ctrl + F12: Enable / disable buzzer
Mouse & Roaming Control
● Ctrl + Ctrl + M + E: Enable mouse hotkey function
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 13
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
● Ctrl + Ctrl + M + D: Disable mouse hotkey function
● Ctrl + Ctrl + R + E: Enable mouse roaming
● Ctrl + Ctrl + R + D: Disable mouse roaming
Navigation & Switching
● Ctrl + Ctrl + ↑ / ↓ / ← / →: OSD navigation
● Ctrl + Ctrl + Enter: Confirm selection
● Ctrl + Ctrl + Backspace: Return to previous menu
● Ctrl + Ctrl + Esc: Exit OSD menu
● Ctrl + Ctrl + →:
○ Single screen: Switch to next input
○ Multiview: Switch to HOST of next window
● Ctrl + Ctrl + ←:
○ Single screen: Switch to previous input
○ Multiview: Switch to HOST of previous window
Mouse Hotkeys
(Hotkey mode must be enabled)
● Double-click Middle Button + Right Click:
○ Single screen: Switch to next input
○ Multiview: Switch to HOST of next window
● Double-click Middle Button + Left Click:
○ Single screen: Switch to previous input
○ Multiview: Switch to HOST of previous window
● Triple-click Middle Button:
○ Switch to previous selection (display mode or input)
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 14
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
EDID Settings
The switcher supports multiple predefined EDID modes to ensure compatibility between
HDMI sources and the display. EDID modes can be selected via OSD menu, RS-232
commands, or Controller software.
EDID Mode List - EDID Mode Descriptions
● Fixed EDID Modes: Force specific video
resolution and audio channel formats to the HDMI
sources.
● AUTO Mode: Copies EDID information from
the connected HDMI display.
● USER1 Mode: Allows custom EDID data to be
uploaded via RS-232 command.
Note: Selecting the appropriate EDID mode can
help resolve compatibility, resolution, or audio
issues between sources and displays.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 15
No.
EDID Mode
1
4K60 – 2.0CH
2
4K60 – 5.1CH
3
4K60 – 7.1CH
4
4K30 – 2.0CH
5
4K30 – 5.1CH
6
4K30 – 7.1CH
7
1080P – 2.0CH
8
1080P – 5.1CH
9
1080P – 7.1CH
10
1920×1200 – 2.0CH
11
1680×1050 – 2.0CH
12
1600×1200 – 2.0CH
13
1440×900 – 2.0CH
14
1360×768 – 2.0CH
15
1280×1024 – 2.0CH
16
1024×768 – 2.0CH
17
720P – 2.0CH
18
AUTO
19
USER1
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Video & Audio
The switcher supports high-resolution HDMI video input up to 3840×2160 @ 60Hz (4K60)
and a wide range of digital audio formats, including LPCM, AC3 (Dolby Digital), Dolby
Digital Plus (DD+), DTS, and DTS-HD, with up to 7.1-channel audio pass-through over
HDMI.
For LPCM audio sources, users can adjust the output audio volume directly through the
device.
A built-in scaling engine allows the switcher to output multiple fixed resolutions or
automatically follow the connected display’s EDID.
Supported Video Output Resolutions
No.
Output Resolution
1
4096×2160p @ 60/50Hz
2
3840×2160p @ 60/50/30/25Hz
3
1920×1200p @ 60Hz RB
4
1920×1080p @ 60/50Hz
5
1360×768p @ 60Hz
6
1280×800p @ 60Hz
7
1280×720p @ 60/50Hz
8
1024×768 @ 60Hz
9
AUTO (EDID-based)
AUTO mode outputs video based on the connected display’s EDID to ensure optimal
compatibility.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 16
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Multiview
The switcher supports eight multiview display modes, allowing multiple HDMI input
sources to be displayed simultaneously on a single output. Users can configure window
layouts, source assignments, and display aspects depending on the selected mode.
Supported Multiview Modes
● Single
● PIP (Picture-in-Picture)
● PBP (Picture-by-Picture) – Mode 1
● PBP (Picture-by-Picture) – Mode 2
● Triple – Mode 1
● Triple – Mode 2
● Quad – Mode 1
● Quad – Mode 2
Multiview Control Functions by Mode
● Single Mode
Input source selection
● PIP Mode
Input source selection
Sub-window size selection
Sub-window position selection
● PBP / Triple / Quad Modes
Input source selection per window
Display mode selection (Mode 1 / Mode 2)
Display aspect selection (Full / 16:9)
PIP Window Options
● Positions: Left Top, Left Bottom, Right Top, Right Bottom
● Sizes: Small, Middle, Large, User-defined
Control Methods
Multiview display modes and window settings can be controlled via:
● OSD Menu
● IR Remote Control
● RS-232 Commands
● PC Controller Software
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 17
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
OSD Menu Navigation
The On-Screen Display (OSD) menu allows users to configure video, audio, multiview, EDID,
and system settings directly from the display.
OSD Control Buttons (IR Remote)
Seven buttons are used for OSD navigation:
● MENU – Open OSD menu
● EXIT – Exit menu or return to previous level
● UP / DOWN / LEFT / RIGHT – Navigate menu options
● OK – Confirm selection
Additional audio shortcut buttons:
● A-IN – Audio source selection
● MUTE – Audio mute on/off
● VOL+ / VOL- – Audio volume adjustment
OSD Menu Structure
Output
● Resolution:
4096×2160p60 / 50
3840×2160p60 / 50 / 30 / 25
1920×1200p60 RB
1920×1080p60 / 50
1360×768p60
1280×800p60
1280×720p60 / 50
1024×768p60
AUTO
● VKA (Video Keep Alive): Black Screen / Blue Screen
● ITC Mode: Video / PC
Multiview
● Single Mode: Input selection (HDMI 1–4)
● PIP Mode:
○ Window 1 / Window 2 source selection
○ PIP position: Left Top / Left Bottom / Right Top / Right Bottom
○ PIP size: Small / Middle / Large
● PBP / Triple / Quad Modes:
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 18
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
○ Window source selection (HDMI 1–4)
○ Display mode: Mode 1 / Mode 2
○ Aspect ratio: Full / 16:9
Audio
● Audio Source: WIN1, HDMI 1–4
● Volume: 0–100
● Mute: On / Off
EDID
● Preset EDID modes including:
○ 4K60 / 4K30 / 1080p
○ 2.0CH / 5.1CH / 7.1CH
○ PC resolutions (1920×1200, 1680×1050, etc.)
● AUTO
● USER1 (custom EDID)
System
● Language: English / 中文
● Baud Rate: 115200 / 57600 / 38400 / 19200 / 9600
● Reset: Factory reset
● Firmware Version: Read-only display
Controller Software Operation Guide
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 19
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
The Controller Software allows full configuration and control of the switcher via a PC using
an RS-232 connection.
Installation
1. Double-click the Controller Software installer.
2. Select “Anyone who uses this computer (all users)”, then click Next.
3. Choose the installation path and click Install.
4. Click Finish to complete installation and launch the software.
Connection Setup
1. Connect the switcher’s RS-232 port to a PC using a 3-pin Phoenix connector and
an RS-232 to USB adapter.
2. Launch the Controller Software.
3. On the General page:
○ Select COM Control Mode
○ Choose the correct COM Port
○ Set Baud Rate (default: 115200)
4. Click Connect
Connection status will display “Connected” when successful.
Note: TCP/IP control is not supported.
Controller Interface Overview
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 20
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
General Page
● Control Mode: COM Control Mode selection
● COM Settings: Port number and baud rate selection
● Device Information: Model name, firmware version, input/output status
● Device Status: Refresh device connection information
● Connection Status: Displays current connection state
Output Page
● Multiview Mode Selection:
Single, PIP, PBP(1), PBP(2), Triple(1), Triple(2), Quad(1), Quad(2)
● PIP Adjustment:
Window size, position, and user-defined PIP settings
● Multiview Display:
Visual display of input/output assignments
● Source Input:
Assign HDMI 1–4 to selected window
● Aspect Ratio:
Full Screen or 16:9 (available in PBP, Triple, Quad modes)
● Auto Switch:
Enable or disable automatic input switching (Single mode only)
● Output Settings:
Output resolution, video keep alive (VKA), PC/Video mode, HDCP, audio source,
volume control
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 21
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
System Page
● EDID Management:
Select EDID mode from predefined or user-defined profiles
● Firmware Upgrade:
Load firmware file and initiate upgrade (device reboots automatically upon
completion)
● Factory Reset:
Restore default factory settings
● System Reboot:
Restart the device manually
RS-232 Command List
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 22
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Serial Settings: 115200 baud (default) · 8 data bits · 1 stop bit · No parity
Command Format: ASCII text, end each command with!
Command
Function
Parameters
Example
Feedback / Default
help!
List all
supported
commands
None
help!
Command list
r type!
Read device
model
None
r type!
Device model
r fw version!
Read firmware
versions
None
r fw version!
MCU / Scaler / Sub
MCU / KVM MCU
power z!
Power control
z=0 Off, z=1 On
power 1!
Power on
r power!
Read power
state
None
r power!
Power on/off
reboot!
Reboot device
None
reboot!
Reboot…
reset!
Factory reset
None
reset!
Factory defaults
s output res x!
Set output
resolution
x=1–15
s output res 3!
3840×2160p60
r output res!
Read output
resolution
None
r output res!
Current resolution
s output hdcp
x!
Set HDCP mode
1=1.4 2=2.2 3=User
s output hdcp
2!
HDCP 1.4
r output hdcp!
Read HDCP
mode
None
r output hdcp!
HDCP status
s output vka x!
Video Keep Alive
1=Black 2=Blue
s output vka 1!
Black screen
s output itc x!
Video / PC
mode
1=Video 2=PC
s output itc 1!
Video mode
s input EDID x!
Set input EDID
x=1–19
s input EDID 1!
4K60 2.0CH
r input EDID!
Read input EDID
None
r input EDID!
EDID mode
s edid user1 …!
Write USER1
EDID
EDID HEX
s edid user1 00
FF…!
EDID written
r edid user1!
Read USER1
EDID
None
r edid user1!
EDID HEX
s output audio
x!
Select audio
source
0=Follow WIN1
1–4=HDMI1–4
s output audio
0!
Follow WIN1
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 23
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
r output audio!
Read audio
source
None
r output audio!
Audio source
s output audio
vol x!
Set audio
volume
0–100
s output audio
vol 30!
Volume 30
r output audio
vol!
Read audio
volume
None
r output audio
vol!
Volume value
s output audio
mute x!
Audio mute
0=Off 1=On
s output audio
mute 1!
Mute off
s auto switch x!
Auto input
switch
0=Off 1=On
s auto switch 0!
Auto switch off
s in source x!
Select input
(Single mode)
x=1–4
s in source 1!
HDMI 1
r in source!
Read active
input
None
r in source!
HDMI source
s multiview x!
Set multiview
mode
1=Single 2=PIP
3=PBP 4=Triple
5=Quad
s multiview 2!
PIP
r multiview!
Read multiview
mode
None
r multiview!
Current mode
s window x in y!
Assign input to
window
x=1–4 y=1–4
s window 1 in
2!
WIN1 HDMI2
r window x in!
Read window
source
x=0–4
r window 1 in!
HDMI source
s PIP position
x!
Set PIP position
1–4
s PIP position
3!
Right top
s PIP size x!
Set PIP size
1=Small 2=Mid
3=Large 4=User
s PIP size 3!
Large
s usb select
win x!
Select USB
control window
x=1–4
s usb select
win 1!
USB WIN1
s mousekeys x!
Mouse hotkey
switch
0=Off 1=On
s mousekeys 1!
On
s beep x!
Buzzer enable
0=Off 1=On
s beep 1!
Off
s window
source osd x!
Window source
OSD
0=Off 1=On
s window
source osd 1!
On
s window usb
border x!
USB border
highlight
0=Off 1=On
s window usb
border 1!
On
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 24
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Connection Diagram
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 25
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Troubleshooting
Problems
Causes
Solutions
No Power / All LED off
Power supply not connected,
connected fully, or wrong power
supply.
Check if the power supply is
connected correctly and the
output voltage value is within
recommended specifications.
No sound or sound issues
The HDMI connection is faulty,
the audio format is not
supported by the displays, or
the source player is set to
another port for audio output
Check if the HDMI cables are
connected correctly.
Check if the audio format is
supported by the display and
that a user has not changed the
supported audio format on the
player`s audio output. Ensure
output settings from the HDMI
source device as set correctly.
No picture or picture flickers
The HDMI cable may be faulty
or the category cable quality is
faulty.
Check if the HDMI
and category cable connections
are correct and undamaged.
Change to another good
working HDMI cable or category
cable (CAT6 or better cable is
recommended).
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 26
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Tech Support
Have technical questions? We may have answered them already!
Please visit BZBGEAR’s support page (bzbgear.com/support) for helpful information and
tips regarding our products. Here you will find our Knowledge Base
(bzbgear.com/knowledge-base) with detailed tutorials, quick start guides, and step-by-step
troubleshooting instructions. Or explore our YouTube channel, BZB TV
(youtube.com/c/BZBTVchannel), for help setting up, configuring, and other helpful how-to
videos about our gear.
Need more in-depth support? Connect with one of our technical specialists directly:
Phone
1.888.499.9906
Email
support@bzbgear.com
Live Chat
bzbgear.com
Limited Product Warranty Terms
Pro Line: 5-year warranty from the date of purchase for AV/Broadcasting products bought
on or after August 1, 2024.
Essential Line: 3-year warranty from the date of purchase for AV/Broadcasting products
bought on or after August 1, 2024.
Cables: Lifetime Limited Product Warranty.
For complete warranty information, please visit bzbgear.com/warranty.
For questions, please call 1.888.499.9906 or email support@bzbgear.com.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 27
BZBGEAR BG-UHD-KVM41MV PRODUCT MANUAL
Mission Statement
BZBGEAR is a breakthrough manufacturer of high-quality, innovative audiovisual equipment
ranging from AVoIP, professional broadcasting, conferencing, home theater, to live
streaming solutions. We pride ourselves on unparalleled customer support and services.
Our team offers system design consultation, and highly reviewed technical support for all
the products in our catalog. BZBGEAR delivers quality products designed with users in
mind.
Copyright
All the contents in this manual and its copyright are owned by BZBGEAR. No one is allowed
to imitate, copy, or translate this manual without BZBGEAR’s permission. This manual
contains no guarantee, standpoint expression or other implies in any form. Product
specification and information in this manual is for reference only and subject to change
without notice.
All rights reserved. No reproducing is allowed without acknowledgement.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 28
