GNSS Module Series
L80&L80-R&L86&LC86L EVB User Guide
L80&L80-R&L86&LC86L_EVB_User_Guide 17 / 30
4 EVB Operation Procedures
This chapter illustrates the EVB operation procedures.
4.1. Communication Through Micro USB Interface
Step 1: Connect the EVB to your computer with a micro-USB cable through the micro-USB interface,
and then turn on the POWER switch (S101) to power on the EVB.
Step 2: Run the USB flash drive on the PC to install the USB driver. After installation, the USB port
numbers can be viewed through a device manager, as shown below.
Figure 9: USB Ports
Step 3: Install and then use the QCOM tool provided by Quectel to realize the communication between
the module and the PC.
The following figure shows the COM Port Setting interface of QCOM: select the correct “COM
Port” (USB port number shown in the figure above) and set the correct “Baudrate” (the default
value: 9600 bps). For more details of the usage of QCOM, see document [4].
Figure 10: COM Port Setting Interface of QCOM
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