No Heatbeat Packets Received...Please HELP Me Friends....

Hi everyone,

I just purchased on APM1, then I just followed INSTRUCTION in WIKI:

1- DOWNLOADED on Mission Planner 1.1.99 mav 1.0

2- UPLOADED ARDUPLANEV 2.40

3- waiting for UPLOADING DONE

4- CONNECTING to MAVLINK

5- Then, received the ERROR NOTIFICATION suc

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