First, please mark sure your GPS uses the NEMA 0813 protocol
LED Status:
Power on: Solid
GPS connected: Slow blinking
GPS locked: Quick blinking
A simple way to test the module and AAT.
1. Connect the convert module and PC by USB cable
2. Run AAT Test Tool
3. Select the correct port and click[Reset OSD] button, the tool will send simulation GPS data to convert module
Skylark AAT Test Tool[Download]
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