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Centering the Servos
12. Hook up the servos and switch harness to the receiver and
battery pack as per the instructions included with your radio
system. Remove the servo horns from the servos. Turn on your
transmitter first, then turn on the receiver. Center the mechanical
trims on your transmitter. Turn off the receiver first, then turn off
your transmitter — be certain to do it in that order. You have
just electrically “centered” your servos.
Note: You can turn your transmitter and receiver off anytime,
but to keep the “electrical center” of your servos, turn
the receiver off first, then the transmitter. To turn on
again, turn on the transmitter first, then the receiver.
13. Replace the servo horns on each servo so the arms are 90
degrees to the center line of the fuselage, as shown in the photo
below. This will allow you to mark your control rods, knowing
your servos are at their electrical center position.
CONTINUED
Section 14: Installing the Radio and Centering
the Servos
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