Why Novastar Vx4S ?And how to use it?

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what is an LED video processor?

In short, the main function of an LED video processor is to convert images from external sources (such as computers, HD broadcast boxes, Blu-ray DVDs, etc.) into an acceptable signal for LED displays.

LED video processors are designed specifically for LED displays and can effectively improve image quality.

However, the Novastar Vx4S video processor is a top-selling LED video processor on the market.

                                                                                         Guide Bar

Part One What is Novastar Vx4S?

1.What is Novastar Vx4S?






A. Industry standard input connectors

– 1x CVBS

– 1x VGA

– 1x DVI (IN+LOOP)

– 1x HDMI 1.3

– 1x DP

– 1x 3G-SDI (IN+LOOP)

B.4x Gigabit Ethernet output

Capable of loading up to 2,300,000 pixels

C. Supports fast screen configuration

Computer software for system configuration is not necessary

D.Seamless high-speed switching and fading effects

support to render professional quality images.

E.Adjustable PIP

The position and size of the PIP can be adjusted and freely controlled 

F.Adopt Nova G4 engine

Make the image display fine and a strong sense of hierarch

The image display has a good sense of depth

No flicker and scan line

G. White balance calibration and color gamut

White balance calibration and color gamut mapping for different characteristics of the LEDs used in the screen to ensure true color reproduction

H. External audio output

Support independent external audio output

I.High bit depth video input

10-bit and 8-bit

J. Connection of multiple devices

Support image mosaic for multiple devices 

K. Next generation pixel-level calibration technology

ensures a fast and efficient calibration process

L. Innovative architecture

Enables Intelligent Screen Configuration

Screen commissioning can be done in minutes, which significantly reduces the preparation time on stage.


                                                                                     overall Specifications
Electrical SpecificationsPower connector100-240V~,50/60Hz.1.5A
Power consumption25w
Operating EnvironmentTemperature-20°℃~+60°C
Humidity20%RH to 90%RH,non-condensing storage
Storage Humidity10% RH to 95%RH, non-condensing
Physical SpecificationsDimensions482.6 mm × 250.0 mm ×50.0 met
Net weight2.55 kg
Gross weight5.6 knocking
acking information carryingCarrying case540 mm× 140 mm x 370 mm
Accessories1x Power cord
1x USB cable
1x DVI cable
1x HDMI cable
1x User Manual
Packing box555 mm × 405 mm x 180 mm
Noise Level (typical at 25C/77°F)38 dB(A)

2. The benefits of using Novastar Vx4S

(1) Fast processing speed

The fast processing speed of the Novastar Vx4S is undoubtedly one of the biggest advantages.

It allows for smooth playback of content on the LED screen.

This is undoubtedly what every consumer expects.

(2) Strong image processing capabilities

The image processing capability of the LED video processor is the most important.

Image processing capability is the best part of Novastar Vx4S.

Novastar Vx4S can zoom in and out of images with high quality and display the content correctly on the LED screen.

In addition,

When multiple screens are combined together, the Novastar Vx4S cleverly handles them without showing the distance created between the screens.

This will greatly improve the video quality.

(3) Simple operation

Novastar Vx4S has no complicated settings, is easy to operate, and has very useful features.

This avoids a series of problems and greatly reduces the time consumers spend seeking help.

(4) Low maintenance cost

Novastar Vx4S is not necessarily the cheapest video processor on the market.

However, it boasts good quality with a very low failure rate.

In the long run, the Novastar Vx4S is very low maintenance.

That is because Novastar Vx4S is the most cost-effective option for consumers.

Part Two Main Operation instruction of Novastar Vx4S

1. Input Settings

Method 1: Preset resolution.

Select the preset resolution of the controller.

If there is no preset resolution, you can choose the second method, custom resolution.

Method 2: Custom resolution.

First, set the horizontal resolution, vertical resolution, and custom refresh rate.

Then select “Apply” and press the knob to apply.

Please remember, if the application is not confirmed, the custom resolution is invalid.

2. Screen Settings

Step 1

After the screen is turned on, if the cabinet is in normal display, go to step 2.

If the cabinet is in abnormal display state, first load the cabinet file and save it to the receiving card

Step 2

Return to the Screen Setup submenu.

Turn the button to switch to the submenu of other options and configure them separately as shown in the following figure.


Step 3

Set the actual number of cabinet rows and cabinet columns screen according to the actual situation of the screen.

Step 4

Set the number of Port1 cabinets.

The device has some restrictions on the number of ports in the cabinet.

There are some restrictions on the number of ports.

Step 5

Set up the data flow (front view).

3. Brightness

Return to the main menu screen.

Press the knob to select the corresponding brightness value.

Turn the knob to adjust the value.

4.Output settings

The output settings are divided into three cases.

The first case: Disable scaling.

That is, the output image is the same size as the input image and is output using the original scale.

In this case, [Scaling] is disabled.

The second case: Auto Fit.

At this time, [Scaling] is enabled and [Auto Fit] is enabled.

When [Auto Fit] is enabled, the input will be self-adapted to the size of the LED display.

This mode is applicable to full-screen playback content.

The third case: custom scaling.

This is when [Scaling] is enabled and [Auto Fit] is disabled.

Part Three Troubleshooting Novastar Vx4S

Troubleshooting Novastar Vx4S
Fault TypeRepair steps
1.LED display is off✓Inspect whether the power connection is correct and the switch has been turned on
✓Play the Self-test image and confirm whether the connection of the LED is correct and works normally
✓Inspect whether the VX4 output has a signal and shows a blank screen
✓Inspect whether the mode and parameter of the screen configuration are correct
2.Monitoring port output is abnormal✓Check whether there is image input in the input channel and whether it is correctly displayed
✓Check whether PIP has been turned on, whether there is a signal
✓input in 2 channels and whether it is correctly displayed
✓Check whether the monitoring output is connected correctly and is not loose
✓confirm whether the Monitor supports the output resolution of VX4
✓Try to cut off the power of equipment and restart it, reset VX4 and operate it again
3.Image Mosaic is abnormal✓Check whether the VX4 Image Mosaic switch has been turned on and whether Image Mosaic parameters settings are correct
✓Check whether the input signal source is normal
4.Sound is abnormal✓Check whether the volume settings are appropriate
✓Check whether the Audio mode setting is correct
✓Confirm VX4 is well connected to the multifunction card and that The corresponding output port icon on the main interface has been highlighted
✓confirm whether the audio output mode of the multifunction card is in HDMI mode (it is required to connect LCT for confirmation and setting)

Part Four Conclusion

Through this article, we believe you have a brief understanding of the Novastar Vx4S LED video processor.

Novastar Vx4S LED video processor is top of the line in terms of both practicality and quality.

If you are interested in this product or have any questions, please feel free to consult our customer service.

Our professional team is here to bring you 24/7 service.

We believe our products and services will make you satisfied.