User's Manual

Table Of Contents

HM30 User Manual V1.2

3. Open Mission Planner, select the correct COM port for HM30 ground unit and

configure the baud rate.

4. The Type-C datalink connection to Mission Planner is established.

Mark

If the HM30 ground unit cannot be recognized as a COM device by your Windows device,

please open “Computer – Manage – Device Manager” and check if there were any abnormal

drivers. If so, please download and install the relevant drivers to solve the issue.

4.5 Solutions to Disconnection

If HM30 system failed to establish the datalink connection with the GCS, please try

to follow the steps below to investigate possible reasons.

1. Confirm if the HM30 air unit is connected to your flight controller through the

correct telemetry cable.

2. If it is a DIY telemetry cable, please check:

⚫ If the correct pin map is followed?

⚫ If the “TX” pins go to the “RX” pins?

⚫ If any of the wires are defect?