APM 2.6 cannot get signal from Futaba R2008SB

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1

Hi everyone, this my first message on the borad and I would appreciate it if you could give some advice about my problems.

I want to programmable helicopter using APM, but I have a problem connecting the Futaba R2008SB receiver to APM 2.6 board.

When I try to directly connect the APM to Mission Planner, I got the following message:
You cannot load new frmware while connected via MAVLink…

When I try to use the Install Wizard, I cannot calibrate the accelerometer, compass, and the radio. The APM just cannot get any signal from the receiver.

Does anyone have similar problems?

I appreciate you advice.

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@ylwhello,
Have your followed these Wiki instructions for Futaba S Bus receivers http://copter.ardupilot.com/wiki/common-pixhawk-and-px4-compatible-rc-transmitter-and-receiver-systems/#futaba_transmitter_compatible_with_futaba_s-bus_receivers
Regards,
TCIII GM