User Guide

48
2. Check Enable COM Port Number
After you install GPS USB driver, you should know which
COM port is available, and check enabled COM port
number.
You need to know the COM port assignment for the GPS
receiver, when configuring map or chart software. Please
notice that this remark is very important; if not confingured
properly, the mapping software will not communicate with
the GPS receiver.
TO check your assigned COM port for the GPS receiver,
please follow the instructions below.
Step 1:
Check enabled COM port number by clicking "Start" ➜
clicking "Control Panel" ➜ double-clicking "System" icon