Multi-Viewer / Switcher


Multi-viewer with simple matrix switcher for convenient video monitoring

The MVS-12 groups and displays up to 12 SD video signals to a single HD or RGB monitor. This multi-viewer is an ideal companion for the popular line of SD video mixers such as the LVS-800 and V-8. The MVS-12 also features a built-in Matrix Switcher allowing any of the 12 video sources to be routed to four different outputs such as separate rooms, screens, or web-streaming devices.

Easily monitor and distribute input sources. View all sources on a single HD display.

Intuitive Operation

Quick setup and operation with a mouse. Rearrange screen structure with simple drag and drop motion. Select video source with a click of the mouse.
* Setup MENU also supports mouse operation.

Matrix Switcher

Using the built-in Matrix Switcher function, 12 video sources are assignable to 4 different outputs. Use as a simple switcher.


There are four layout patterns to choose from. Aspect ratios, background color and source names can be selected from the MENU.

Memory & Control

Four display setups can be saved and recalled from the 4 front panel memory buttons. In addition, the MVS-12 can be controlled from a PC via LAN or RS-232C.


Multi-viewer and Matrix switcher function enables system expansion.

The MVS-12 is a perfect companion for the LVS-800 allowing you to preview all monitor outputs. Using a MIDI connection the PGM/PVM video source is displayed and indicated by a red frame and green frame (tally).

Video sources can be distributed to up to four different locations.


The Matrix Switcher function enables the V-1600HD mixer to access additional SD inputs. By connecting a MIDI cable and using the V-LINK function, the V-1600HD can directly select any video source from the MVS-12.

* Please note that the MVS-12 does not function as a multi-viewer for the V-1600HD. The inputs and formats of the MVS-12 and the V-1600HD are not directly compatible. This example is an illustration of standard definition input expansion for the V-1600HD only.

Video Format
1920 x 1080 (60 / 50 Hz), 1680 x 1050 (60 / 75 Hz),
1600 x 900 (60 / 75 Hz), 1440 x 900 (60 / 75 Hz),
1280 x 1024 (60 / 75 Hz), 1280 x 720 (60 / 50 Hz),
1024 x 768 (60 / 75 Hz) (Progressive Scan)
Sampling Rate
4:2:2 (Y:B-Y:R-Y), 8-bit, 13.5 MHz (ITU-R BT.601)
Input / Output Level and Impedance
1.0 Vp-p, 75 ohms
0.7 Vp-p, 75 ohms (H, V : 5V TTL)
Video Input
Composite: BNC type x 12 jacks
Output Connectors
Composite (for MATRIX OUT): BNC type x 4 jacks
Composite (for MATRIX OUT Preview): BNC type x 1 jack
HDMI (for MULTI-OUT, MENU) x 1 jack
PC-RGB (for MULTI-OUT, MENU): D-Sub 15pin type x 1 jack
Other Connectors
Ethernet 10 / 100Base-Tx RJ45 type x 1 jack
RS-232C DB-9 type x 1 jack
MIDI IN 5-pin DIN type x 1 jack
MIDI OUT / THRU 5-pin DIN type x 1 jack
Mouse PS/2 type *Not bundled.
Power Supply
AC Adaptor (Accessory)
Current Draw
2 A
Size and Weight
431 mm
18-15/16 inches
320 mm
12-5/8 inches
44 mm
1-3/4 inches
3.0 kg
6 lbs. 10 oz.
[MONITOR] XGA (1024x768 pixels) or greater, HDMI or Analog RGB input is required.
[HDMI OUTPUT Connection] Audio is not supported. HDMI version is 1.2. Supports EDID when the setup is AUTO.
[RGB OUTPUT Connection] Manual pixel rate setup is needed.
[Aspect Ratio] In MULTI-OUT, display aspect and each input aspects can be adjusted individually. MATRIX OUTPUT has no aspect adjustment function.
[Switching] An mixed image before and after switching may appear on MATRIX Output at switching.

In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.


Brochures & Catalogs


If you have questions about operating your Roland Pro A/V product, please check our Knowledge Base for answers to the most common questions.
You can also contact our Product Support department by phone or email.
In addition, we have a library of Owner’s Manuals and Support Documents that you can download and reference.

Owner’s Manuals

Support Documents