Specifications
MCTRL660-LED-Display-Controller-Specifications-V1.4.4.pdf
NovaStar MCTRL660
NovaStar MCTRL660: signal, EDID and LED setup
Prepare an LED display with MCTRL660: source, map, receivers and sending. Ask GLMedia about rental or purchase and the setup your event requires.
Purpose and covered model
To choose LED sending, first relate the source to the screen map and receiving cards. GLMedia can help evaluate that combination and whether content needs processing before reaching the controller.
MCTRL660 is a sending controller for LED displays with compatible receiving hardware. It accepts video and distributes it to the tiles, serving installations and events with a defined display configuration.
Check the model label: this guide covers the original MCTRL660. MCTRL660 PRO and MCTRL600 have separate documentation. Identify the receiver, tile and firmware before applying configuration files.
Main connections
- Video
- One HDMI 1.3 input and one SL-DVI input, with corresponding loop outputs for cascading. Progressive signals are supported; the manual excludes interlaced video.
- LED output
- Four Gigabit RJ45 ports feed the receiving system. Do not confuse their data connectors with a network input for device control.
- Control
- USB Type-B connects to a computer; UART IN/OUT provides control cascading. The front has a display, knob and BACK button.
Show use and alternatives
For a stage LED wall, we can prepare content to the pixel map and review sending through MCTRL660. If the show alternates computers, cameras or formats, evaluate an upstream switching and image-processing stage. This separates content, source changes and tile sending instead of choosing the system solely by its connectors.
Tell us which display you need to feed and which sources you need to switch between. A pixel map and computer output details help, but provisional information is welcome. This lets us separate controller scope from upstream mixing, adaptation, and operation to quote.
Requirements
Tiles with compatible receiving cards and their exact configuration file, a video source, signal and data cables, power, and access to the saved setup. Prepare NovaLCT and USB for irregular displays.
Define pixel width and height, each port path, source frame rate and bit depth. At 8 bits, the official page specifies 1920×1200 at 60 Hz; at 12 bits, 1440×900 at 60 Hz. A maximum dimension does not permit any width/height combination.
Basic preparation
- Record the model, version and current map; back up the configuration and correct receiving-card file.
- Choose a supported source resolution. For custom EDID, the manual uses Advanced Setting > EDID Resolution and Apply; then check the actual output sent by the computer.
- For a regular display, configure Screen Setting: rows, columns, first-port loading and Data Flow to match the cabling. Quick configuration requires loading and direction consistent with the manual.
- For an irregular path, configure through NovaLCT over USB. Compare the map with physical wiring before changing cabinet parameters.
- Use Display Control to compare Test Pattern with Normal and check Black Out or Freeze. Save validated settings to receiving cards when they must survive a power cycle.
Use and troubleshooting questions
- The LED test pattern fills the wall, but the presentation is cropped. What should I check?
- Why does a configuration stop fitting after switching to 10 or 12 bits?
- Does quick configuration handle every wiring layout?
- How can we switch computers while keeping the LED configuration consistent?
- The picture was correct but changes after power-up. Which configuration should we check?
The LED test pattern fills the wall, but the presentation is cropped. What should I check?
A test pattern does not verify the source content size or position. Compare the actual computer output with the canvas and map, then check Offset Position. Display area plus offset must fit within the graphics-card output resolution.
EDID advertises a format to the source; it does not automatically fit all content to the wall. Prepare the canvas and scaling at the source or an appropriate processor, and check the result using a reference image.
Request a test image with a visible border and reference labels: the intended area should remain correct with actual content. If media does not match the map, we can evaluate content adaptation or upstream processing before changing receiver settings.
Why does a configuration stop fitting after switching to 10 or 12 bits?
The manual states that both 10 and 12 bits halve loading capacity compared with 8 bits. Recalculate the system and each path before changing modes; a connected cable is not sufficient.
The four port limits cannot be added to override device input and loading limits. Verify format, frame rate and receiving hardware in the same mode planned for operation.
Does quick configuration handle every wiring layout?
No. In quick configuration, the initial active ports must load equal cabinet counts, in multiples of rows or columns; the last port may load fewer. Each path must follow the configured direction, with the first port starting the physical connection.
The manufacturer directs irregular screens to NovaLCT. If columns are reversed or skipped, compare mapping and wiring before loading a different receiving-card file.
How can we switch computers while keeping the LED configuration consistent?
Agree on an output format and test each computer before the event. The manual’s EDID setting configures the resolution requested from the graphics card; then verify its actual output and fit within the map.
We can evaluate upstream switching or processing to normalize sources and prepare presentation backup. The proposal should define source changes and the picture reaching the controller during each change; separate inputs alone do not establish a clean transition.
The picture was correct but changes after power-up. Which configuration should we check?
One possibility is that the correct parameters were not saved to the receiving cards. The manual distinguishes importing a cabinet file into the controller from Save to RV Card, which retains current screen parameters on the receiving cards after power-off. The symptom alone does not establish that cause.
With the system identified and a validated configuration, we can review what was applied and saved. Preserve original files and also record the actual source output; do not try another panel’s file. We can scope preparation, an operator, an off-show startup rehearsal, and recovery using the correct files and units.
Troubleshooting by symptom
| Symptom | Check | Next decision |
|---|---|---|
| Black display | Video availability, Display Control set to Normal, brightness and active ports. | Distinguish a missing input from blocked output. |
| Cropped image | Actual format, canvas, map and Offset Position. | Adjust content without treating EDID as a scaler. |
| Scrambled columns | Data Flow and physical order from the first port. | Correct a map that does not match wiring. |
| Changes do not persist | Check saving to receiving cards after validation. | Distinguish temporary adjustments from retained settings. |
Limits and precautions
Documented power: 100–240 V AC, 50/60 Hz; rated consumption is 16 W. This is not the power requirement for the entire LED wall.
Do not choose a cabinet file by pitch or brand alone. Preserve the original and verify the tile, receiver and revision before writing. Do not begin troubleshooting with a reset or update.
The model supports port redundancy and master/backup modes. These require a compatible design and a planned failure test; UART control or a video cascade alone does not establish working redundancy.
Manuals and documents for this equipment
Choose the document for the model, revision and language shown. Read it here or download the original PDF.
User manual
MCTRL660-LED-Display-Controller-User-Manual-V1.4.4.pdf
Specifications
MCTRL660-LED-Display-Controller-Specifications-V1.4.3.pdf
NovaStar software and downloads
Find VMP/COEX, ViPlex, NovaLCT, VICP and other tools by platform and version. Check each program’s requirements before downloading.
View software catalogueOfficial sources
- Official MCTRL660 product page
- Official V1.4.4 manual: menus, limits and saving
- Official V1.4.3 specifications: identification and connectors
Manual V1.4.4 is dated 2025-06-11. Compare available options with the installed firmware before making changes.
LED arranged as stage columns
Show scenario
Columns display misplaced image sections although the computer plays the correct design.
A solution we can quote
We can study the source canvas, physical map, port routing, and receiver configuration; distinguish content errors from distribution errors.
Another option to compare
Compare content mapped for that layout or external processing when sources need adaptation; do not attribute scaling to MCTRL660.
Proposed acceptance check
Display a pattern naming and orienting each block; inspect every column, then test real content. Preserve the approved configuration before changing it.
To prepare a proposal
A sketch or setup photos, sample content, and available receiver details are enough to begin.
Does quick configuration cover every layout?
No. The manual directs irregular screens to NovaLCT; cabinet-file import has separate limitations.
Should we load any similar file as a trial?
No. Identify the system and preserve its parameters first; prepare changes outside live operation.
Manufacturer documentation
Help us improve this guide
Is an explanation missing, did you find an error, or did you solve something differently? Tell us on WhatsApp.
WhatsApp opens with an editable draft. Review it and send it if you choose. Do not include passwords, keys or client information. Contributions are reviewed before being added to guides; they are not published automatically.