What to do if Quectel LC29H Control Unit module is unable to upgrade?
If the Quectel Control Unit module is unable to upgrade, verify that the module is in normal operating mode, check that the downloaded firmware is correct, and confirm that the correct COM port has been selected.
Why is the Quectel LC29H Control Unit communication interface not outputting any messages or commands?
If the communication interface of the Quectel Control Unit is not outputting any messages or commands, check that the power supply indication LED on the EVB is illuminated. Also, verify that the jumper cap(s) is(/are) connected correctly and ensure that the module's power supply is normal.
How to fix the 'Unable to find COM port' error for Quectel Control Unit?
If you're unable to find the COM port in the Device Manager when the EVB is connected to the PC with a USB cable for the Quectel Control Unit, ensure that the EVB communication interface is properly connected to the PC and verify that the CP210x Driver has been installed successfully.
What to do if Quectel Control Unit module is unable to search for satellite signals?
If the Quectel Control Unit module is unable to search for satellite signals, test the module in an open-sky environment, especially if there is no transponder indoors.
General| Brand | Quectel |
|---|---|
| Model | LC29H Series |
| Category | Control Unit |
| Language | English |
Documents and information provided shall be kept confidential unless specific permission is granted.
Third-party products may contain copyrighted material; rights are reserved by Quectel.
Ensure product use conforms to local safety and environmental regulations.
Keep away from explosive/flammable materials; avoid fire/explosion accidents.
Product must be powered by a stable voltage source; wiring must meet regulations.
Follow proper ESD handling procedures to avoid damages during mounting and operation.
Details about the document including Title, Subtitle, Document Type, and Status.
Tracks changes and updates to the document across different versions.
Provides information on evaluating the Quectel LC29H series module using the EVB.
Outlines the structure of the document, detailing the content of each chapter.
Provides key notes regarding software tools and related documents for EVB usage.
Lists and illustrates the components included in the Evaluation Board (EVB) kit.
Provides a visual overview of the EVB, identifying key components and connectors.
Details the function, interfaces, and descriptions of various EVB components like connectors and LEDs.
Detailed description of pins for the J401 connector on the EVB, including their functions and I/O.
Detailed description of pins for the J402 (OBD) connector on the EVB, including their functions and I/O.
Step-by-step guide to connect and test the module using the QGNSS software tool.
Illustrates the QGNSS software interface once the module is successfully connected and operational.
Explains the parameters and icons displayed in the QGNSS interface for GNSS information.
Details the "Data Dock" section of the QGNSS interface and the information it displays.
Introduces the process of upgrading the module's firmware using the QGNSS tool.
Guides on how to start the QGNSS tool and initiate the firmware download process.
Explains the settings within the QGNSS tool for firmware upgrading, including baud rate and config file.
Describes how to select the correct firmware configuration file for the upgrade process.
First part of the firmware upgrading steps, showing the process before reset.
Second part of firmware upgrading, including reset prompt and progress.
Indicates how to confirm successful firmware upgrading by checking the progress bar.
Introduces the Dead Reckoning (DR) technology supported by specific module variants.
Steps to test the Real-Time Kinematic (RTK) function using the NTRIP client.
Details on configuring the NTRIP client with caster settings for RTK correction service.
Shows how to interpret the RTK status by checking the quality indicator in the GGA message.
Guidelines for optimal GNSS antenna placement and orientation for reception performance.
Instructions for securing the EVB to a device for dynamic testing and DR performance.
Explains the stages of power consumption measurement: acquisition, tracking, and backup mode.
Steps to measure VCC power consumption using an ammeter or power consumption meter.
Detailed procedure for measuring VCC power consumption using an ammeter.
Detailed procedure for measuring VCC power consumption using a power consumption meter.
Steps to measure V_BCKP power consumption using an ammeter or power consumption meter.
Detailed procedure for measuring V_BCKP power consumption using an ammeter.
Detailed procedure for measuring V_BCKP power consumption using a power consumption meter.
Illustrates the overall architecture and functional blocks of the EVB.
Addresses problems finding the COM port in Device Manager when connecting the EVB.
Troubleshooting steps for when the communication interface is not outputting messages or commands.
Solutions for when the module is unable to search for satellite signals.
Troubleshooting steps for issues encountered during firmware upgrading.
Emphasizes conducting tests under the same environment for parameter comparison.
Notes that parameters like cold start may differ between chip suppliers.
Advises contacting support for significant differences between tested and provided parameters.
Caution that momentary data may not be reference data due to environmental factors.
Reminds users to use the latest version of the QGNSS tool for bug fixes and performance improvements.
Lists other relevant documents for further information on the LC29H series and its EVB.
Provides definitions for common abbreviations and terms used in the document.
Continues the list of abbreviations and terms used in the document.
Continues the list of abbreviations and terms used in the document.
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