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This post includes NovaStar SmartLCT the most important information like the latest SmatLCT download resources, user manual, key operation guides, etc.

More about NovaStar Resources can be obtained in the LedInCloud NovaStar Download Center or the LedInCloud Customer Self-Service Cloud Platform. NovaStar SmartLCT is a software that works with LED Controllers and computers to configure LED Screens. It’s smart and simple to use with visual operation. With the following key features, NovaStar SmartLCT could meet all your screen configuration needs.

  • Recovering Receiving Card Parameters from the Factory.
  • Online Software Update
  • Replacing Receiving Card With One Click
  • Building Screens like Building Blocks
  • Rotating in 90° Increments
  • Full 360° Rotation
  • LED Display Test
  • Update and Readback of Receiving Card Configuration Parameters
  • Applying Effect to All Receiving Cards
  • Receiving Card Program Upgrade
  • Controller Program Upgrade
  • Exporting Screen Configuration Information as images
Keep reading for more about NovaStar SmartLCT:
1. NovaStar SmartLCT Download & Installation
2. NovaStar SmartLCT User Guides
   SmartLCT Screen Configuration
    NovaStar SmartLCT Hot Backup
    NovaStar SmartLCT Seam Brightness Adjustment
    NovaStar SmartLCT Batch Adjustment
    NovaStar SmartLCT V-Sender

NovaStar SmartLCT Download & Installation

Access the LedInCloud Self-Service Cloud Platform for more NovaStar Software resources like NovaLCT.

Click the links above to download the right SmartLCT for your LED Displays. After your download, install it just by running the application. Choose Chinese or English for your SmartLCT.

If you encounter any alerts from your antivirus or firewall during the setup process, please allow these actions to proceed. This is necessary for the installation of the required serial driver.
During the setup, the installer will automatically upgrade the serial driver on your computer to the version included in the setup package, should the existing driver be absent or outdated.

NovaStar SmartLCT User Guides

If your SmartLCT is used offline, some operations can be not finished like seam brightness adjustment, Accessing V-Sender, etc. Here we present some key Online operations for you. For all the guides, turn to the NovaStar SmartLCT Download & Installation part.

System Architecture - NovaStar SmartLCT - LedInCloud

SmartLCT Screen Configuration

1. Adding Cabinets
Step 1 Select the device type and Ethernet port type.
Step 2 Under the Edit tab, you can add cabinets using any of the methods below:

  • Method 1: Click Batch Add, input the details for the new cabinets, and confirm by clicking OK. Position the cursor over the canvas and click to place the cabinets.
  • Method 2: Choose a specific cabinet icon, and navigate to the canvas. Click and hold the left mouse button to position the cabinet. To cease adding cabinets, right-click.

2. Cabinet Configuration

Connecting Cabinets: Ensure cabinets are connected before initiating screen configuration by following one of these methods:

   Method I: Automatic Connection

  • On the “Create a new project” interface, once you’ve determined the cabinet arrangement, opt for “Auto Connect” and select the preferred connection style.
  • Cabinets that surpass the single Ethernet port’s capacity limit cannot be linked.

   Method II: Manual Connection

  • Place cabinets on the canvas and highlight the ones you wish to connect. In the “Cabinet Connection” menu of the toolbar, select a connection style. Connections will halt if the cumulative load of the cabinets exceeds the Ethernet port’s maximum capacity.
  • Position cabinets on the canvas. Click to pinpoint the center of the desired cabinet and drag the cursor to the center of the subsequent cabinet, continuing this process.

   Methods III: Keyboard Shortcut Connection

  • With the mouse, select the initial cabinet. Concurrently press Shift and the directional arrow keys (Up/Down/Left/Right) to choose and link cabinets.
  • This method is compatible solely with standard cabinets.

Grouping Cabinets:
   Step 1 In the canvas, select the target cabinets and click (or right-click to choose Group).
   Step 2: With the cabinets grouped, access the “Properties” section to assign a group name, color, and the position of the grouped cabinet.

   The grouped cabinets will be edited as a whole.

Grouping Cabinets screenshot - SmartLCT - LedInCloud

Disconnecting Cabinets: Select the target cabinets and click   in the toolbar, or right-click to choose Delete Connection.

3. Setting Cabinet Offset
After adding and connecting cabinets, a dotted rectangle will frame the cabinets, indicating the connected device’s loading capacity.
   Step 1: Click and drag a cabinet to change its position relative to the dotted rectangle.
   Step 2: Click to quit the edit.

Rotating cabinets screenshot - SmartLCT - LedInCloud

4. Rotating Cabinets
If the added device is equipped with a rotation feature, follow these steps to rotate the cabinets, using MCTRL R5 as an example:

   Step 1: Click and rotate the rotation bar to rotate the cabinets to the desired orientation (or enter a specific rotation angle).
   Step 2: Click to quit the edit.

NovaStar SmartLCT Hot Backup

1. Backup Within Device

Step 1: Select a device from the device area, drag it onto the canvas, and click to place the device.
Step 2 Click at the top right of the device. The Ethernet ports will automatically be backed up. This backup configuration cannot be modified.
Step 3: (Optional) Click to choose the backup Ethernet port and drag it to the desired Ethernet port to set up a backup between Ethernet ports.


  • To remove the backup of Ethernet ports, click at the top right of the device.
  • To delete a backup between two Ethernet ports, click between two Ethernet ports to delete the backup. Click at the top right of the device to delete the device.

2. Backup Between Devices
Hot backup between devices is only available for the devices with the same communication ports.

Step 1: Choose a device from the device area, drag it to the canvas, and click to place the device.
Step 2: Drag another device to the target device. The backup between the two devices will be established automatically.
Step 3: (Optional) Click to select the backup Ethernet port and drag it to the target Ethernet port to perform Ethernet port backup between devices.


  • Once the backup is configured, the icon will appear on the line connecting the two devices. Click this icon to switch between master and slave.
  • To delete a device, click at the top right of the device.
  • To remove the backup, Click at the top right of the dashed box.
  • The slave device is not eligible for screen configuration tasks.

NovaStar SmartLCT Seam Brightness Adjustment

   Step 1: Navigate to the Device tab and click to access the seam brightness adjustment interface.
   Step 2: Select the target seam, and the seam will turn blue.
   Step 3: (Optional) Choose the desired precision level for the adjustment.
   Step 4: Adjust the seam brightness by dragging the slider located next to the Selected Area Parameter Adjustment, and the borders will turn green.
   Step 5: Type “admin” to access the factory area and user area settings page.

  • Save to Factory Area: Store the seam brightness adjustment settings in the receiving card’s factory area. These settings are retained for maintenance purposes once the cabinet returns to the factory.
  • Save to User Area: Store the seam brightness adjustment settings in the receiving card’s user area. These settings are applied for on-site screen adjustments.
  • Load Factory Area: Restore seam brightness adjustment parameters to the parameters last saved in the factory area.
  • Load User Area: Restore seam brightness adjustment parameters to the parameters last saved in the user area.

   Step 6: Save seam brightness adjustment parameters to the sending device.

NovaStar SmartLCT Batch Adjustment

To ensure uniform image display on the LED screen, adjust the brightness and chroma of cabinets from different batches.

Initially, configure the LED display and store the configuration settings in the hardware.

Batch adjustment page introduction - NovaStar SmartLCT - LedInCloud

   Step 1: Select a batch. 

   Step 2: In the editing area, select the cabinets or modules of the batch, and Add to Sample Area

   Step 3: Adjust chroma and brightness. 

   Step 4: Click Apply Adjustment

   Step 5: Click Save to HW

Note: It’s essential for each batch to include the sample area details.

NovaStar SmartLCT Batch Adjustment - LedInCloud

NovaStar SmartLCT V-Sender

On the NovaStar SmartLCT V-Sender page, we can see the working statuses of Ethernet ports, change the input source type, set the screen control mode, select the Canva template, picture-in-picture, etc.

1. How to Enter the SmartLCT V-Sender Page
   Method 1: On the start page, click in the Device List section to open V-Sender, as depicted below.

Access NovaStar SmartLCT V-Sender - Page Screenshot (On the start page) - LedInCloud

Method 2: In the Device section of the editing page, click Access NovaStar SmartLCT V-Sender - Icon (In the Device section of the editing page) - LedInCloud to open V-Sender, as shown in the figure below.

2. Adding Devices
Step 1: At the bottom of the device list, click Adding Devices icon - NovaStar SmartLCT - LedInCloud to open the Add Devices page.
Step 2: Select the devices you want to add and click OK.

Adding Devices Page Screenshot - NovaStar SmartLCT - LedInCloud

3. Ethernet Port Statu Information on NovaStar SmartLCT

Port Status Information - NovaStar SmartLCT - LedInCloud
The working statuses of Ethernet ports - NovaStar SmartLCT - LedInCloud

4. Control Tab
The Control tab on the SmartLCT V-Sender page enables switching of the input source type and setting of the screen mode. Screen control mode includes:

SmartLCT V-Sender Control Tab - LedInCloud

5. Mosaic
Note: Utilize the mosaic function when the pixel count of the output image surpasses a single device’s loading capacity

Step 1: Access V-Sender. On the Output tab, select Mosaic.
Step 2: Set parameters through any of the following methods.

  • Non-Equal Division: When the loading capacities of each of the VX4S units are different, set the total number of pixels of the LED display, the loading area of the current device, and the start position.
  • Equal Division: When the loading capacities of each of the VX4S units are the same, set the total number of pixels of the LED display, the number of mosaic rows and columns, and the start position of the loading area of the current device.

Step 3: Once parameter settings are finalized, click Apply to transmit the settings to the hardware.

SmartLCT V-Sender Mosaic - LedInCloud