13.3. Solder the voltage-detective cable of the flight controller. Take the connector that comes with flight controller out, plug one side to VBAT connection, solder
another side to the PDB. Red is “+”, blade is “-”, don`t get mixed.
13.4. Install the buzzer. The buzzer is mainly used to offer low voltage alarm and search for aircrafts. Pick out the connector that comes with the flight controller,
plug one side to the BUZZ connection of flight controller, solder another side on the buzzer. Then fix the buzzer on the bottom plate of the frame with some glue.
Summary of Contents for X-Speed 250B
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Page 13: ...12 Install the M3 40 aluminum column Her we need 4 x M3 40 column and 4 x M3 8 screws ...
Page 17: ...14 Install the camera according to the following picture ...
Page 20: ...17 Assemble the upper plate according to the following picture ...
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Page 23: ...19 Insert the camera installing plate into damper balls ...
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