Tekvox MV41 Plus User manual

www.tekvox.com
MV41+
79141-MV User Manual
MV41+
4K 4x1 Seamless Multiview Switcher
All Rights Reserved
Version: 79141-MV_2022V1.0

www.tekvox.com
MV41+
79141-MV User Manual
Preface
Read this user manual carefully before using the product. Pictures shown in this manual are for
reference only. Different product model specifications may vary.
This manual is only for operation instruction, please contact the local distributor for maintenance
assistance. The functions described in this version were updated January, 2022. In order to continue
improving the product, we reserve the right to make function or parameter changes without notice or
obligation. Please refer to the dealers for the latest details.
FCC Statement
This equipment generates, uses and can radiate radio frequency energy and, if not installed and used
in accordance with the instructions, may cause harmful interference to radio communications. It has
been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a commercial installation.
Operation of this equipment in a residential area is likely to cause interference, in which case the
user at their own expense will be required to take whatever measures may be necessary to correct
the interference.
Any changes or modifications not expressly approved by the manufacture would void the user’s
authority to operate the equipment.

www.tekvox.com
MV41+
79141-MV User Manual
Safety Precautions
To ensure the best performance from the product, please read all instructions carefully before using
the device. Save this manual for further reference.
•Unpack the equipment carefully, and save the original box and packing material for possible
future shipment
•Follow basic safety precautions to reduce the risk of fire, electrical shock, and injury
•Do not dismantle the housing or modify the module (electrical shock or burn hazard)
•Using supplies or parts not meeting the products’ specifications may cause damage,
deterioration, or malfunction
•Refer all servicing to qualified service personnel
•To prevent fire or shock hazard, do not expose the unit to rain or moisture, or install this
product near water
•Do not put any heavy items on the product’s power cable
•Do not remove the housing of the device, as opening or removing the housing may expose you
to dangerous voltages or other hazards
•Install the device in a place with sufficient ventilation to avoid damage caused by overheating
•Keep the module away from liquids
•Spillage into the housing may result in fire, electrical shock, or equipment damage. If an object
or liquid falls or spills on to the housing, unplug the module immediately.
•Do not twist or pull by force ends of the optical cable. It can cause malfunction.
•Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to the device
before cleaning.
•Unplug the power cord when left unused for a long period of time
•Information on disposal for scrapped devices: do not burn or mix with general household
waste, please treat them as normal electrical wastes

www.tekvox.com
MV41+
79141-MV User Manual
Table of Contents
1. Product Introduction ....................................................................................................................7
1.1 Features...............................................................................................................................................7
1.2 Package List........................................................................................................................................7
2. Specifications ..............................................................................................................................8
3. Panel Description.......................................................................................................................10
3.1 Front Panel ........................................................................................................................................10
3.2 Rear Panel..........................................................................................................................................11
4. System Connection Diagrams ....................................................................................................12
4.1 Normal Connection...........................................................................................................................12
4.2 Cascade Connection.........................................................................................................................12
5. Front Panel Control ....................................................................................................................13
5.1 Multi-View Selection .........................................................................................................................13
5.2 Video Signal Switching.....................................................................................................................13
5.2.1 In Multi-View Mode ..................................................................................................................13
5.2.2 In Full-Screen Mode .................................................................................................................13
5.3 Video Switching Status Inquiry ........................................................................................................14
5.4 Audio Selection .................................................................................................................................14
5.5 Config.................................................................................................................................................14
5.5.1 Swap Button .............................................................................................................................14
5.5.2 Resize button............................................................................................................................15
6. IR Remote ..................................................................................................................................16

www.tekvox.com
MV41+
79141-MV User Manual
7. Web GUI Control.........................................................................................................................17
7.1 Multi-View Tab ..................................................................................................................................18
7.1.1 Pre-Defined Layouts.................................................................................................................18
7.1.2 User-Defined Layouts ..............................................................................................................20
7.2 Audio Tab...........................................................................................................................................21
7.3 Resolution Tab ..................................................................................................................................22
7.4 RS232 Tab .........................................................................................................................................23
7.5 CEC Tab .............................................................................................................................................24
7.5.1 Source CEC Control .................................................................................................................24
7.5.2 Display CEC Control.................................................................................................................25
7.5.3 User-Defined CEC Control .......................................................................................................26
7.6 EDID Tab ............................................................................................................................................27
7.6.1 Upload User-Defined EDID File................................................................................................27
7.6.2 Built-In EDID Settings...............................................................................................................28
7.7 Network Tab ......................................................................................................................................29
7.8 Tags Tab............................................................................................................................................30
7.9 Security Tab.......................................................................................................................................31
7.10 GUI Update ......................................................................................................................................32
8. RS232 Control............................................................................................................................33
8.1 System Control..................................................................................................................................34
8.2 Signal Switching................................................................................................................................34
8.3 Audio Switching ................................................................................................................................35
8.4 Function Settings ..............................................................................................................................36

www.tekvox.com
MV41+
79141-MV User Manual
8.5 CEC Commands................................................................................................................................41
8.6 Special Commands...........................................................................................................................45
9. Firmware Upgrade......................................................................................................................47

www.tekvox.com
MV41+
79141-MV User Manual
1. Product Introduction
The MV41+ is a seamless 4K HDMI switcher with four video inputs, each with auto-scaling, and one
output. It includes LINE and MIX audio inputs for audio embedding & mixing, as well as AUDIO and
SPDIF outputs for audio extraction/de-embedding. The MV41+ offers sophisticated, flexible
multiview operation for viewing multiple inputs simultaneously, with sixteen pre-defined multiview
layouts; users can customize the layout and size of windows in multiview. When in single-window
mode, the MV41+ also offers automatic source detection and switching. The MV41+ is controllable
via the front panel buttons, RS232, and TCP/IP with a web GUI.
1.1 Features
•4 HDMI Inputs, 1 HDMI Output
•Supports 4K@30Hz 4:4:4, HDCP 2.2
•Seamlessly switching among four inputs
•Built-in auto-scaling on all input ports
•Audio embedding, de-embedding, and mixing
•Supports automatic source detection and switching
•Multiview with 3 different window sizes and 16 pre-defined layouts
•Controllable via front panel buttons, IR remote, web GUI, and RS232 commands
1.2 Package List
•1x MV41+ Multiview Switcher
•1x RS232 cable (3-pin to DB9)
•1x IR remote
•2x 3-pin Terminal Block
•1x Power Adapter (24V DC, 1.25A)
•2x Mounting Ears
•4x Mounting Screws
•1x User Manual
Note: Please contact your distributor immediately if any damage or defect in the components is
found.

www.tekvox.com
MV41+
79141-MV User Manual
2. Specifications
Video
Video Input
4 HDMI In (Type-A, Female)
HDMI Input Resolution
Up to 4Kx2K@30Hz 4:4:4
Video Output
1 HDMI Out (Type-A, Female)
HDMI Output Resolution
Up to 4Kx2K@30Hz RGB1
HDMI Standard
HDMI 1.4
HDCP Standard
Up to HDCP 2.2
Audio Input
Audio In
1 LINE IN (3-pin terminal block)
1 MIX IN (3-pin terminal block)
Frequency Response
20 Hz ~ 20 kHz, ±3dB
Maximum Input Level
2.0Vrms ± 0.5dB, 2V=16dB headroom above -10dBV (316 mV)
nominal consumer line level signal
L-R Level Deviation
< 0.3dB, 1kHz sine at 0dBFS level (or max level before clipping)
Input Impedance
> 10kΩ
Audio Format
PCM 2-Channel
SPDIF Audio Output
SPDIF Out
1 SPDIF (Toslink)
Maximum Output Level
± 0.05dBFS
Frequency Response
20Hz ~ 20kHz, ±1dB
Total Harmonic Distortion +
Noise (THD+N)
< 0.05%, 20Hz ~ 20kHz bandwidth, 1kHz sine at 0dBFS level (or
max level)
Signal-to-Noise Ratio (SNR)
> 90dB, 20Hz ~ 20kHz bandwidth
Crosstalk Isolation
< -70dB, 10kHz sine at 0dBFS level (or max level before
clipping)
1
1080i @ 60Hz and HDR are not supported

www.tekvox.com
MV41+
79141-MV User Manual
Noise
-90dB
Audio format
PCM 2-Channel
Audio Output
Audio Out
1 AUDIO (3.5mm mini jack)
Frequency Response
20Hz ~ 20kHz, ±dB
Maximum Output Level
2.0 Vrms ± 0.5dB, 2V=16dB headroom above -10dBV (316 mV)
nominal consumer line level signal
THD+N
< 0.05%, 20Hz ~ 20kHz bandwidth, 1kHz sine at 0dBFS level (or
max level)
SNR
> 80dB, 20Hz ~ 20kHz bandwidth
Crosstalk Isolation
< -80dB, 10kHz sine at 0dBFS level (or max level before
clipping)
L-R Level Deviation
< 0.05dB, 1kHz sine at 0dBFS level (or max level before
clipping)
Output Load Capability
1kΩ and higher (supports 10x parallel 10kΩ loads)
Noise
-80dB
Control
Control Ports
1 RS232 (3-pin terminal block)
1 TCP/IP (RJ45)
General
Operating Temperature
23 ~ 131°F (-5 ~ 55°C)
Storage Temperature
-13 ~ 158°F (-25 ~ 70°C)
Relative Humidity
10 ~ 90%
Power Supply
Input: AC 100 ~ 240 V, 50/60Hz
Output: DC 24V, 1.25A
Power Consumption
13W (max)
Product Dimensions
11.22” (285mm) x 1.06” (27mm) x 6.79” (172.5mm)
Product Weight
2.73 lbs. (1.24 kg)

www.tekvox.com
MV41+
79141-MV User Manual
3. Panel Description
3.1 Front Panel
1. Power LED: The LED light up green when the switcher is working, and red when it is in standby
2. IR LED: Built-in IR sensor, receives signals sent by the IR remote
3. Input/Audio Selection Buttons:
•Press the 1~4 buttons to select the corresponding HDMI input. Button LEDs will light up
yellow when there is a video signal, and blue when the input is chosen as a source.
•In Multi-View mode, press and hold the 1~4 buttons for at least 3 seconds to select the
corresponding HDMI input source’s audio as the audio output; the button will light up
blue for 3 seconds, then turn off.
•Press AUTO to enable Auto-Switching mode; the AUTO button’s LED will light up blue
•In Multi-View mode, press and hold the AUTO button for at least 3 seconds to select
LINE audio as the audio output
4. Select / Full Screen Buttons: Press the A~D buttons to set the corresponding view window to
full-screen; the selected source’s LED will light up blue
5. Config:
•Press the SWAP button to cycle the selected view window in numerical order (i.e. in
quad view, SWAP cycles A > B > C > D); the button lights up blue when pressed
•Press the RESIZE button to change the size of windows in the multiview layout; the
button lights up blue when pressed
6. Multi-View: Press the buttons to choose from the available multi-view layouts; the LED of the
selected mode will light up blue

www.tekvox.com
MV41+
79141-MV User Manual
3.2 Rear Panel
1. HDMI In: 4 Type-A HDMI input ports for connecting HDMI source devices
2. LINE IN: 3-pin terminal block for connecting audio source device to embed in HDMI audio
sources
MIX IN: 3-pin terminal block for connecting audio source devices to mix with HDMI audio
sources
3. HDMI Output: Type-A HDMI output port for connecting to display devices
SPDIF Output: Toslink audio output for audio de-embedding from HDMI output
Audio Output: 3.5mm mini jack audio output for audio de-embedding from HDMI output
4. RS232: 3-pin terminal block to connect an RS232 controller, or a third-party device to be
controlled by RS232 commands
5. TCP/IP: RJ45 port to connect the switcher to a network for controlling it via the web GUI
6. Firmware: Type-A USB port for performing firmware updates
7. DC 24V: Port for connecting the switcher’s DC power supply

www.tekvox.com
MV41+
79141-MV User Manual
4. System Connection Diagrams
4.1 Normal Connection
4.2 Cascade Connection

www.tekvox.com
MV41+
79141-MV User Manual
5. Front Panel Control
5.1 Multi-View Selection
By default, the switcher is set to quad-view, and the input-output correspondence is: Input 1-Window
A, Input 2-Window B, Input 3-Window C, Input 4, Window D. To change the multi-view mode, press
one of the other two multi-view buttons. The LEDs of the selected multi-view layout and
corresponding windows will light up blue.
To switch to full-screen, press one of the Windows A~D buttons to display the corresponding
window full-screen. While in Fullscreen mode, the LEDs of the selected input source and window will
light up blue, and the LEDs of all other window and multi-view mode buttons will turn off.
5.2 Video Signal Switching
5.2.1 In Multi-View Mode
Operation: Input # + Window #
Example: Switch Input 1 to Window B
Press Input 1 (the Input 1 LED will turn blue, and the Windows A~D LEDs will flash), then press
Window B (the Windows A, C, and D LEDs will go out, then the Input 1 and Window B LEDs will flash
3 times, and then the Input 1 LED will go out and the Windows A~D LEDs will turn blue).
5.2.2 In Full-Screen Mode
5.2.2.1 Manual Switching
Operation: Input # + Window #
Example: Switch Input 2 to Window A
Press Input 2 (the Input 2 LED will turn blue), then press Window A (the Input 2 and Window A LEDs
will turn blue).
5.2.2.2 Auto-Switching
Press the AUTO button to enter Auto-Switching mode (the AUTO LED will turn blue). When in Auto-
Switching mode, the signal switching obeys the following principles:
1. HDMI Input Priority: HDMI 1 > HDMI 2 > HDMI 3 > HDMI 4; when an input source and output
window are connected, the corresponding LEDs will turn blue
2. New Signal: When the switcher detects a new input signal, the switcher will switch to the new
signal automatically

www.tekvox.com
MV41+
79141-MV User Manual
3. Last-Selected Input: The switcher will remember which input source was last selected when it
is powered off, and will automatically switch to that source when powering back on
4. Manual Switching: It is possible to switch sources manually while the switcher is in Auto-
Switching mode, and doing so does not exit Auto-Switching mode
5. Multi-View: Changing from Fullscreen to Multi-View mode will not exit Auto-Switching mode
5.3 Video Switching Status Inquiry
In Multi-View mode (Window A, B, C, or DLEDs lit up blue)
Operation: Window #
Example. Press and hold the Window B button for at least 3 seconds. The Window A, C, and DLEDs
will turn off, and the LED of the input source currently assigned to Window B will turn blue. After 3
seconds, the input source LED will turn off, and the Window A, C, and DLEDs will turn back on.
5.4 Audio Selection
By default, the audio source is set to HDMI 1. In Multi-View mode, pressing and holding any of the
Input 1~4 buttons for more than 3 seconds will change the audio output to the corresponding input
source, and the input’s LED will turn blue. After 3 seconds, the input LED will turn off.
Press and hold the AUTO button for at least 3 seconds to change the audio output to the LINE IN
audio source.
5.5 Config
5.5.1 Swap Button
Press the SWAP button to cycle through display windows sequentially (i.e. A -> B -> C -> D); the
SWAP LED will light up blue while it is pressed.
Example: In Multi-View Mode
Example: In Fullscreen Mode

www.tekvox.com
MV41+
79141-MV User Manual
5.5.2 Resize button
Press the RESIZE button the adjust the size of windows in Multi-View mode. (for more information,
refer to §7.1.1 Pre-Defined Layouts)
Example: In Picture-in-Picture (PIP) mode

www.tekvox.com
MV41+
79141-MV User Manual
6. IR Remote
1. Inputs: Press the Inputs 1~4 buttons to select
the corresponding input source. Press the AUTO
button to automatically detect and switch input
sources.
2. Select / Full Screen: Press the Window A~D
buttons to set the corresponding input to
Fullscreen mode
2
3. Config:
oSwap: Press the SWAP button to cycle
through display windows sequentially (i.e.
A -> B -> C -> D)
oResize: Press the RESIZE button the
adjust the size of windows in Multi-View
mode
oMute: Press MUTE to mute or unmute the
switcher’s audio output
oRes: Press the RES button to change the
video output resolution
4. Multiview:
oPressing the top row of Multiview buttons
changes the selected multi-view layout
oPressing the User 1~4 buttons selects the
corresponding user-defined multi-view
layouts 1~4 (provided any have been
configured using the web GUI)
2
The IR remote does not support long-presses, and its button functions are identical to the 3.1 Front Panel buttons

www.tekvox.com
MV41+
79141-MV User Manual
7. Web GUI Control
The switcher can be controlled via TCP/IP. The default IP settings are:
IP Address: 192.168.0.178
Subnet Mask: 255.255.255.0
Type 192.168.0.178 in an Internet browser to access the web GUI log-in page.
Username: admin
Password: admin
Type the username and password where prompted, then click Login to enter the Video Switching
section.

www.tekvox.com
MV41+
79141-MV User Manual
7.1 Multi-View Tab
7.1.1 Pre-Defined Layouts
1. Click a layout to set the multi-view mode to the corresponding layout
2. Click Resize to adjust the size of windows in Multi-View mode
3
3. Click Swap to cycle through display windows sequentially (i.e. A -> B -> C -> D)
4. Click the Confirm button to complete the layout selection
3
Resize is only available for Preset Layouts 2 and 5~12

www.tekvox.com
MV41+
79141-MV User Manual
1. Click the Settings button in the bottom left corner of the screen to open the Window Select
menu, which offers a grid for selecting which input source is mapped to which view window.
2. Click Confirm to apply the selected source mapping, or click Cancel to discard all changes and
return to the Multi-View tab.

www.tekvox.com
MV41+
79141-MV User Manual
7.1.2 User-Defined Layouts
Click “User-Defined” at the top of the page to switch to user-defined multiview layouts.
1. Click the User Layout 1~4 buttons to select a user-defined multi-view layout to edit
2. Use the Window Select section to define the input source mapping of the layout, along with the
size and position of each window within the layout
3. Click Save to apply changes to the selected layout
4
4
If the user-defined layout exceeds the bandwidth limit, click OK to close the error message, then adjust the window
sizes of the layout to reduce bandwidth consumption