I have a new Spektrum DX7 Black Edition
with the AR8000 , Chase 360

can you help me for the setting.

There is nothing special to set.
Only make sure that your Cyclic type in the transmitter is H1 (without mixing).

Cables can be connected in the way as described there:
viewtopic.php?f=20&t=427

Then you can start to connect servos,
elevator servo is always CH2
rudder servo is always CH4
aileron servos are CH1 and CH3 and can be swapped.

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Spirit System developer