You just connect
the male channel wire with the white label to the RX, throttle
channel.
Then connect the white female connector to the first Motor servo
or ECU, and the other female connector to the second Motor servo
or ECU, connect the other male wire to the flaps channel, connected
with a simple (Y) extension.
1. Well, you
select flaps up in your TX radio, and turn on the RX, move the
throttle stick and see the throttle movement, start that engine,
adjust, etc., and leave it at idle.
2. Then select
flaps down, and start the other engine, adjust, etc.
Then select flaps up again and the two engines are controlled
by the same throttle channel simultaneously, next time you use
the flaps, there will be no relation with the engines.
3. Ready to
fly.
