FUTABA GY502 Instruction Manual page 36

I
NSTALLATION AND
36
When using a transmitter without a gyro gain switching function,
connect the gain setting connector to an idle channel and set the
GY502 G1 and G2 gains using this gain setting screen. Gain can be
trimmed by means of the transmitter ATV function.
9
Transmitter setting check
Checks the transmitter setting in the ACVS mode. Check that the
transmitter is not set so that the neutral position has shifted.
(Transmitter setting)
•Set all rudder mixings to INH.
•Set all hovering and flight rudder trims to the same position.
•Set rudder ATV to 100% under all conditions.
•Also set the T9Z condition delay function to INH.
If the normal screen operation mode display is "A" under all usage
conditions, neutral offset is OK. If " " is displayed, display "A" by
operating the rudder trimmer for that flight condition.
10
In the AVCS mode, the rudder servo neutral position is unknown.
Check the neutral position by switching the GY502 to the NOR
mode, or by moving the rudder stick to the left and right at least
three times at high speed and immediately returning the stick to the
neutral position. This temporarily resets the rudder servo.
A
DJUSTMENT
Rudder neutral position check