Decimator Design DMON-12S 12 Channel Multi-Viewer

Twelve Channel SDI Multi-Viewer for Flexible Video Monitoring
The Decimator Design DMON-12S is a compact yet powerful 12-channel SDI multi-viewer that gives video professionals flexible monitoring options in studio or field environments. Capable of displaying up to 12 SDI signals simultaneously, this unit is perfect for broadcast, production, and post environments where monitoring multiple feeds on a single display is essential. The DMON-12S can also be configured as a 12-to-1 SDI multiplexer, giving you full control over routing and viewing your content.

Supports Mixed Resolutions and Frame Rates Simultaneously
Each of the twelve 3G/HD/SD-SDI inputs auto-detects its format, allowing for simultaneous display of multiple frame rates and resolutions. That means you can feed in a variety of SDI sources, regardless of their standard, and view them together in one consolidated output. Ideal for mixed-format environments, this capability simplifies monitoring across diverse workflows while keeping your signal chain clean and efficient.

Audio Metering and Custom UMD Overlays for Precision Monitoring
In addition to video, the DMON-12S provides 16-channel embedded audio metering per window, with custom positioning and sizing. Whether you're producing a live event or monitoring feeds in a control room, having visual confirmation of audio levels next to video inputs is crucial. The unit also supports customizable 16-character UMD overlays, plus Safe Action, Title Safe, and Center Cross indicators for each window—essential tools for editors and switchers alike.

No Computer Required with Onboard LCD Menu Access
Unlike many video processors that rely on external computers or DIP switches for configuration, the DMON-12S includes an integrated LCD menu system for direct access to settings. You can quickly make layout changes, assign tally controls, or select pass-through outputs right on the device. This makes it ideal for use in mobile rigs, live broadcast trucks, or any fast-paced setting where setup time is limited.

Flexible Output Options with HDMI and SDI Simultaneous Display
Output from the DMON-12S is just as flexible as its inputs. It features two 3G/HD/SD-SDI outputs and one HDMI output that can display the multiview or the selected input in full screen. These outputs are linked, so whether you're feeding a monitor, router, or switcher, you’re getting consistent high-quality video. Pass-through mode lets any of the 12 inputs be routed directly to both HDMI and SDI, useful when needing to spotlight a feed for program or preview output.

Integrated Tally and Remote Switching Support for Studio Use
With support for RS-422/RS-485 and up to 32 GPIs via 37-pin D-sub connectors, the DMON-12S seamlessly integrates into larger broadcast control systems. Use the TSL protocol to dynamically assign tallies or under monitor displays, helping operators and talent stay in sync with live feeds. Tally indicators can be displayed as boxes, border colors, or positioned outside safe action areas to suit your studio’s workflow.

Built to Adapt with Presets and Custom Layouts
Choose from a library of standard multiviewer layouts or create your own with complete control over window placement, aspect ratios, and overlay settings. Whether you’re monitoring 2, 4, 6, or 12 feeds, you can scale and position your views exactly how you need them. Custom layouts can be saved and recalled for different shows or setups, and the unit supports fast switching between views using full-screen scaling.