Quectel GNSS Module Series User manual

LG69T (AA,AD)
EVB User Guide
GNSS Module Series
Version: 1.0.0
Date: 2021-09-16
Status: Preliminary

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the material.
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Copyright © Quectel Wireless Solutions Co., Ltd. 2021. All rights reserved.

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Safety Information
The following safety precautions must be observed during all phases of operation, such as usage, service
or repair of any terminal incorporating Quectel LG69T(AP) module. Manufacturers of the terminal should
send the following safety information to users and operating personnel, and incorporate these guidelines
into all manuals supplied with the product. Otherwise, Quectel assumes no liability for customers’ failure
to comply with these precautions.
Ensure that the product may be used in the country and the required environment,
as well as that it conforms to the local safety and environmental regulations.
Keep away from explosive and flammable materials. The use of electronic products
in extreme power supply conditions and locations with potentially explosive
atmospheres may cause fire and explosion accidents.
The product must be powered by a stable voltage source, while the wiring must
conform to security precautions and fire prevention regulations.
Proper ESD handling procedures must be followed throughout the mounting,
handling and operation of any devices and equipment that incorporate the module
to avoid ESD damages.

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About the Document
Revision History
Document Information
Title
LG69T (AA,AD) EVB User Guide
Subtitle
GNSS Module Series
Document Type
EVB User Guide
Document Status
Preliminary
Version
Date
Description
-
2020-04-23
Creation of the document
1.0.0
2021-09-16
Preliminary

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Contents
Safety Information...................................................................................................................................... 3
About the Document.................................................................................................................................. 4
Contents...................................................................................................................................................... 5
Table Index.................................................................................................................................................. 6
Figure Index................................................................................................................................................ 7
1Introduction......................................................................................................................................... 8
2General Overview................................................................................................................................ 9
2.1. EVB Kit Accessories .................................................................................................................. 9
2.2. Connecting Cables and Antenna to EVB................................................................................. 10
3Board User Interfaces....................................................................................................................... 11
3.1. EVB Side View ..........................................................................................................................11
3.2. Board User Interfaces ...............................................................................................................11
4DR Application .................................................................................................................................. 15
4.1. Installation Diagram ................................................................................................................. 15
4.2. Calibration Procedure .............................................................................................................. 16
4.2.1. Determination Process of EVB Installation Angle......................................................... 17
4.2.2. Main Calibration Procedure .......................................................................................... 17
4.3. Calibration Result Monitoring................................................................................................... 18
5Using QGNSS Tool to Test............................................................................................................... 19
5.1. COM Port and Baud Rate Setting............................................................................................ 19
5.1.1. Interface Explained ....................................................................................................... 21
6Firmware Download.......................................................................................................................... 23
6.1. Firmware Download ................................................................................................................. 23
6.2. Firmware Upgrade ................................................................................................................... 25
7Appendix A Reference...................................................................................................................... 28

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Table Index
Table 1: List of Accessories..........................................................................................................................9
Table 2: Detailed EVB Interfaces ...............................................................................................................12
Table 3: J501 Pin Detailed Description ...................................................................................................... 13
Table 4: J302 Pin Detailed Description ...................................................................................................... 14
Table 5: QGNSS Interface Explained......................................................................................................... 21
Table 6: Related Document........................................................................................................................ 28
Table 7: Terms and Abbreviations ..............................................................................................................28

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Figure Index
Figure 1: EVB Kit Accessories .....................................................................................................................9
Figure 2: EVB and Accessories Assembly.................................................................................................10
Figure 3: EVB Side View.............................................................................................................................11
Figure 4: IMU Axis Direction....................................................................................................................... 15
Figure 5: QGNSS Setting...........................................................................................................................16
Figure 6: LG69T (AA) Calibration Status ...................................................................................................18
Figure 7: QGNSS Setting...........................................................................................................................19
Figure 8: USB Ports ...................................................................................................................................19
Figure 9: QGNSS Setting...........................................................................................................................20
Figure 10: QGNSS Interface (Connected) – LG69T (AA) .........................................................................20
Figure 11: Firmware Download –Step 1 ...................................................................................................23
Figure 12: Firmware Download – Step 2 ...................................................................................................24
Figure 13: Firmware Download – Step 3 ...................................................................................................24
Figure 14: Firmware Download – Step 4 ...................................................................................................24
Figure 15: Successful Firmware Download – Step 5.................................................................................25
Figure 16: Firmware Upgrade –Step 1......................................................................................................25
Figure 17: Firmware Upgrade – Step 2......................................................................................................26
Figure 18: Firmware Upgrade – Step 3......................................................................................................26
Figure 19: Firmware Upgrade – Step 4......................................................................................................26
Figure 20: Successful Firmware Upgrade – Step 5...................................................................................27

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1Introduction
This document provides info on the steps needed to evaluate the Quectel LG69T (AA) and LG69T (AD)
modules using the Evaluation Board (EVB). The EVB is a reference tool that allows you to become familiar
with the LG69T (AA) and LG69T (AD) modules.
Specifically, the document is divided into several sections:
⚫Chapter 2 provides the general overview of EVB Kit accessories;
⚫Chapter 3 describes the EVB user interfaces;
⚫Chapter 4 describes how to test the module by using the QGNSS tool;
⚫Chapter 5 describes how to upgrade firmware of the module by using the GNSSFlashTool;
⚫Chapter 6 is an appendix, which summarizes the relevant documents, terms and abbreviations
appearing herein.
⚫
If you need EVB schematic and PCB layout design files for reference, request them from Quectel Technical
Supports ([e-mail]).
NOTE

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2General Overview
2.1. EVB Kit Accessories
The EVB Kit includes: Evaluation Board (EVB), Active GNSS Antenna, Micro-USB Cable, Bolts and
Coupling Nuts. You can download the software tools (QCOM, QGNSS, GNSSFlashTool) from our website
Download Zone or request them from Quectel Technical Supports.
The EVB Kit accessories are shown in the figure below, and check Table 1 for details.
Active GNSS antenna
EVB
Micro-USB cable
Bolts and
coupling nuts
Figure 1: EVB Kit Accessories
Table 1: List of Accessories
Items
Description
Quantity
EVB
Evaluation board
Size: 100 mm × 175 mm
1