Download Updated Compass Receiver Utility

To download the Compass Receiver Utility (CRU) , also known as the SinoGNSS Configuration Software

, follow the steps below. This professional Windows-based software is developed by ComNav Technology

to configure GNSS receivers, view satellite status, and download or convert observation data. ComNav Technology 1. Download the Software The software is hosted on the official ComNav Technology website. You can find it in their Download Center or via their technical blogs. ComNav Technology Official Download Link ComNav Technology Software Downloads Alternative for Updates : Check the ComNav Download Center

for specific "CompassUpdate" patches for different receiver models like the platforms. ComNav Technology 2. Installation Steps Extract Files : The download is usually a file. Extract the folder to your local drive. Install Drivers : Before running CRU, ensure the appropriate USB/Serial drivers

for your receiver are installed on your PC so the software can recognize the device.

: Open the extracted folder and run the installation executable (typically

). Follow the on-screen prompts to complete the installation. ComNav Technology 3. Connecting Your Receiver Once installed, you must link your hardware to the utility: Physical Connection 7-pin Lemo to USB cable

(recommended for configuration) or a serial cable to connect the receiver to your PC. : Turn on the receiver. Port Configuration Open the CRU software.

(or the appropriate COM port) and enter the baud rate (default is often download compass receiver utility

. If successful, the receiver’s Serial Number (SN) will appear in the software's title bar. Global GPS Systems Main Features of CRU Configuration : Set parameters for static data collection. Data Conversion : Convert original observation data into Satellite Tracking

: Real-time viewing of tracked satellite status and signal quality. Data Management

: Download static observation data (supported on older models like the ComNav Technology this data using the Compass Solution

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To download and set up the Compass Receiver Utility (CRU), follow the steps below. This professional Windows-based software is developed by ComNav Technology for configuring GNSS receivers, converting data to RINEX format, and viewing satellite status. 1. Download the Software

You can access the utility and related drivers through the official ComNav Technology resources:

Direct Download Page: Access the official repository for software and firmware at the ComNav Technology Download Center.

Software Listing: View the full suite of configuration tools on the ComNav Software Product Page. 2. Installation & Connection To download the Compass Receiver Utility (CRU) ,

Driver Installation: Ensure the appropriate USB/Serial drivers are installed on your PC before launching the utility.

Hardware Connection: Connect your receiver to your computer.

T30/T300 Receivers: Use a 7-pin Lemo to USB cable for configuration and data downloading.

M300 Receivers: Align the cable connector keyway and rotate clockwise until it clicks into place.

Launch CRU: Open the application. If connected correctly, the receiver's Serial Number (SN) should appear in the software’s title bar. 3. Configuration Steps

Once the receiver is connected, use the Standard Toolbar for quick access to these functions:

Set Port: Go to the "Set Port" menu, select your connection type (e.g., USB or Serial), and set the correct baud rate.

Receiver Config: Click the Config button to adjust parameters such as: Sample Interval: Set the data recording rate (up to 20 Hz). Alternatively, you can run the AppImage version (no

Mask Angle: Configure the minimum elevation angle for tracking satellites.

Data Conversion: Use the Rinex Convert tool in the Navigation bar to transform raw observation data (.cnb) into RINEX format. Key Features Summary Description Data Recording Configure static collection and sample rates for receivers. Satellite Tracking View real-time satellite status, SNR, and elevation. RINEX Conversion

Convert raw proprietary files to standard RINEX (2.01 to 3.04). Firmware Updates

Download and apply firmware updates for K7/K8 series platforms.

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Linux (Ubuntu/Debian) Installation

Most Linux users prefer the command line:

cd ~/Downloads
unzip compass_utility_linux.zip
sudo dpkg -i compass-receiver-utility.deb
sudo apt-get install -f

Alternatively, you can run the AppImage version (no installation required) after making it executable:

chmod +x Compass-Receiver-Utility.AppImage
./Compass-Receiver-Utility.AppImage

5.2. Download Process (Generic Example)

  1. Navigate to the official support page (e.g., support.manufacturer.com/downloads).
  2. Search for "Compass Receiver Utility" or use model-specific filters.
  3. Select the latest stable version (not beta).
  4. Click Download → Save .exe or .msi to a known folder (e.g., C:\Downloads\).
  5. Verify checksum (MD5/SHA256) if provided on the download page.

2. Troubleshooting Connectivity Issues

If your receiver connects and disconnects randomly, or if you see "GGA" sentences but no "RMC," the utility can help you reset the device to its default state.

macOS Installation

  1. Open the downloaded .dmg file.
  2. Drag the Compass Utility icon into the Applications folder.
  3. Important: Go to System Settings > Privacy & Security > Allow identified developer. If the app is blocked, click "Allow Anyway."
  4. Install the necessary FTDI or Silicon Labs VCP driver if your receiver uses a serial-to-USB chip.

4. System Requirements (Typical for Compass Utilities)

Based on common GNSS configuration tools:

| Component | Minimum Specification | Recommended | | :--- | :--- | :--- | | OS | Windows 10 (64-bit) | Windows 11 Pro | | Processor | 1.5 GHz dual-core | 2.0 GHz+ | | RAM | 4 GB | 8 GB | | Storage | 500 MB free | 1 GB SSD | | Connectivity | USB 2.0 (for direct cable) or Bluetooth 4.0 | USB 3.0 + RS-232 port | | Additional | .NET Framework 4.7.2+ | Administrator rights |