QV261A-HDSDI 26-inch Full Resolution Quad Viewer Monitor with IMD (In-Monitor Display)features: viewing of 4 different inputs at once with 3 different layouts to choose from. There is No need for external Under Monitor Display -- all-in-one In-Monitor Display solution without added depth and support Image Video / NVISION / TSL / MEI.


26" Full Resolution Quad Viewer Monitor with IMD (In-Monitor Display)

Owner's Manual (PDF)Spec Sheet (PDF) Quick-Start Guide (PDF)

In Monitor Display logo

26 Full Resolution Quad Viewer Monitor

Microsoft product screen shot reprinted with permission from Microsoft Corporation.

  • Quad Viewer allows viewing of 4 different inputs at once with 3 different layouts to choose from
  • No need for external Under Monitor Display --
    "all-in-one" In-Monitor Display solution without added depth
  • Supports the following protocols:
    Image Video / NVISION / TSL / MEI
  • Full Resolution 1920 x 1200 display
  • New unique RotoMenu™ feature for fast, direct, and easy menu navigation
  • High resolution scaling / high quality deinterlacing
  • Three-color on-screen "soft" tally indicators (Red / Green / Amber)
  • Three LED color tally indicators (Red / Green / Amber)
  • On-Screen Audio Presence Indicator
  • On-Screen Video Time Code
  • RS-422 / 485 connection with loop-through for control communication / IMD functionality
  • Field upgradeable firmware capability via RS-422 / 485 port
  • Direct access for adjustments of brightness, contrast, and color
  • Multiple Frame Marker Overlays with Center Mark
  • Pixel-to-Pixel mode
  • Blue Gun for color adjustment
  • Adjustment Settings Memory

Optional Desktop Stand

Optional Desktop Stand

The QUAD VIEWER Series is the latest addition to Marshall's line of IMD-equipped monitors. The new 26" Quad-Viewer Monitor features a full resolution 1920 x 1200 LCD panel, built-in high quality HD Quad Splitter, four independent HD-SDI inputs, one DVI-I input, IMD (In-Monitor Display) capability, Audio Presence indicator, and Time Code. Video and DVI-I inputs provide full screen mode, while quad-split mode is scaled to fit onscreen in the highest resolution. IMD and Tally are supported via manual mode, along with Image Video, NVISION, MEI (Marshall), and TSL protocols. Other features include Closed-Caption presence display, front panel user-configurable function buttons, RS-422/485 port with pass-through, and field-upgradeable firmware.


Allows viewing of 4 inputs on the screen at once. Each input source is scaled and positioned in real-time so that all 4 inputs can be seen. Besides the standard Quad layout, there are 3 other layouts (including Full Screen) to choose from:

quad-viewer configurations

QV261A-HDSDI specifications
Panel Number of Panels 1
Panel Size 25.54" Diagonal
Resolution 1920 x RGB x 1200
Aspect Ratio 16:10
Type LCD Panel
Brightness 400 cd/m²
Contrast 1000:1
Color Gamut YUV, RGB
Viewing Angles (CR>=10) 178° x 178°
Backlight type LED
Features Video Formats 1080p/1080i/720p/625i/525i
Loss of Input Curtain Yes
Color Temperature D65, D55 and D93
IMD Functions Yes
Tally OSD Yes
Blue-Only Mode Yes
Closed Caption Yes
Pixel to Pixel Yes
Pre-set Gamma points Yes
Self-Sensing Yes
Re-clocked/Re-Shaped Yes
Input Connectors SD-SDI Yes
3GSDI x 4 with active loop-through Yes
Output Connectors SD-SDI Yes
3G-SDI x 4 Yes
Control Features Tally / GPI Tally
RS-485/422 w/ Loop- Through Yes
Ethernet No
Controls on front Panel Yes
User-Defined Function Buttons Yes
RotoMenu™ Control Yes
Handles/Rack Ears No
Power Voltage 24 VDC
Consumption 145 W
Power Switch Yes
Connector 4-Pin XLR
Compliance Compliance CE approved
Environmental Operating Temperature (C°) 32°F to 120°F
Storage Temperature (C°) -4° F to120°F
Rack Unit dimensions 23.3" W x 16.03" H x 2.94" D
Weight (Main Body) 19.3 lbs
Vesa Mount Pattern 75/200mm


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