NovaStar MRV412-N LED Receiving Card | 12 HUB75E
$ 14.00
NovaStar MRV412-N receiving card with twelve HUB75E connectors and 24 parallel RGB data groups. Supports 8-bit sources at up to 512 × 512/60 Hz with PWM driver ICs or 512 × 384/60 Hz with common driver ICs, plus calibration and monitoring features.
965 in stock
NovaStar MRV412-N LED receiving card with 12 HUB75E connectors
The NovaStar MRV412-N provides twelve HUB75E module connectors and up to 24 groups of parallel RGB data. Its loading depends on the driver IC: with an 8-bit source at 60 Hz, the published maximum is 512 × 512 for PWM driver ICs and 512 × 384 for common driver ICs.
MRV412-N parameter table
| Module interface | 12 × HUB75E |
|---|---|
| Parallel RGB data | Up to 24 groups |
| PWM driver IC load | 512 × 512 at 60 Hz, 8-bit video source |
| Common driver IC load | 512 × 384 at 60 Hz, 8-bit video source |
| Color gamut options | Rec.709, DCI-P3, Rec.2020 and custom gamuts |
| 18bit+ function | Documented four-times grayscale enhancement |
| Low latency | Disabled by default; one-frame receiving-card delay when enabled with driver ICs containing built-in RAM |
| Rotation | 0° / 90° / 180° / 270° |
| Mapping | Mapping 1.1 |
Adjusting cabinet brightness and color
Color management and individual red, green and blue gamma adjustment help align the image with the intended display setup. Individual RGB gamma requires NovaLCT and a compatible controller. The 18bit+ feature addresses grayscale retention at low brightness; it does not change the 8-bit source condition used for the loading values above.
Pixel-level brightness and chroma calibration works with NovaStar’s calibration system. Dark or bright seam lines can be adjusted, and multi-batch adjustment helps reduce brightness differences between modules or cabinets from different production batches.
Display and service functions
- 3D and rotation: 3D requires a supporting controller; image rotation is available in 90° steps.
- Mapping 1.1: shows controller, receiving-card and Ethernet-port information on the cabinets.
- Stored image: customize what appears at startup, when the cable is disconnected or when no video signal is present.
- Monitoring: read the card’s temperature and voltage without external devices. A cabinet LCD can show these readings plus single-run and total-run times.
- Communication checks: Ethernet bit-error detection helps locate communication issues.
- Readback: save firmware and configuration parameters to a local computer.
Backup and cabinet selection
Loop backup depends on primary and backup line connections to the controller. Configuration parameters are stored in application and factory areas, and dual program backup retains two firmware copies. Keep the correct cabinet files when replacing hardware.
Compare module pinout, driver IC, scanning arrangement and cabinet layout before choosing the card. For a cabinet requiring a different connector count, review the MRV416-N with sixteen HUB75E connectors; do not assume the cards are interchangeable solely because their maximum pixel figures are similar.
Product images
Frequently asked questions
How is MRV412-N different from MRV416-N?
MRV412-N has twelve HUB75E connectors and up to 24 parallel RGB groups. MRV416-N has sixteen HUB75E connectors and up to 32 groups. Check the cabinet wiring and configuration when choosing between them.
What is the MRV412-N maximum resolution?
With an 8-bit source at 60 Hz, it is 512 × 512 for PWM driver ICs or 512 × 384 for common driver ICs.
Can the MRV412-N help correct brightness differences between cabinet batches?
Yes. Multi-batch adjustment is a listed function for adjusting cabinet or module brightness. It works alongside calibration and seam-line adjustment within the display setup.
What can the cabinet LCD display?
A compatible cabinet LCD can display receiving-card temperature, voltage, single-run time and total-run time.
Does low latency work with every LED module?
No. The documented one-frame receiving-card latency requires driver ICs with built-in RAM, and the function must be enabled. It is disabled by default.
Original specification download
NovaStar MRV412-N Receiving Card Specification (PDF)
If the original download is unavailable, contact sales for the document matching the supplied revision. Include the module and controller models when requesting pricing or compatibility advice.
| Weight | 0.3 kg |
|---|
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