Futaba CGY750 - Manual (Page 20)

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(1) Rudder gyro expert setting: start display
Use the mode [+] or [-] keys to navigate through the menu.
R UDDER G YRO E XPERT S ETTING
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RUD GYRO EXPERT
MAP 1/2
(2) Rudder servo neutral setting [default: 0 μS] [ranges: -140μS ~+140 μS]
This parameter is used to set the neutral position of the rudder servo. Position the rudder servo
arm as perpendicular as possible to tail rotor pushrod prior to making adjustments with this pa-
rameter. Press the data [+] or [-] key to make adjustments.
(3) Gyro basic gain [default: 100%] [ranges: 50% ~ 120%]
This parameter sets the base gain of the gyro. This can be used to adjust the gain % if your ac-
tual transmitter gain does not match the gain on the CGY750 correctly.
(4) Rudder exponential [default:-20% (3D-AVCS), -20% (3D-Normal), -60% (Sports-AVCS),
-40% (Sports-Normal)] [ranges: -100%
+100%]
This parameter sets the feel of the tail rotor control around center. Decreasing the number (less
negative) will result in a quicker feel off center and increasing the number will result in a softer
feel. Adjust to suit your preference. The RUD EXP functions within your transmitter can also be
used to make this adjustment.
(5) Rudder delay mode[default: Function]
Select [Function] for a softer control feel and [Constant] for a linear and aggressive feel.
(6) Control delay In [default: 3D=15, Sports=12] [ranges: 0 20]
This parameter sets the delay as you move the stick from neutral toward left or right. Larger
values result in a softer tail rotor feel off center. This parameter must be adjusted individually for
LEFT and RIGHT tail rotor commands. Use the data [+] or [-] key to adjust the value.
(7) Control delay Out [default: 3D=12, Sports=10] [ranges: 0 20]
This parameter sets the delay when the stick is returned back to the neutral position. This pa-
rameter is useful to tune how aggressively the tail rotor stops following a pirouette. The higher the
value, the softer the stop. This parameter must be adjusted individually for LEFT and RIGHT tail
rotor commands. Use the data [+] or [-] key to adjust the value.
(10) Pirouette speed [default: 3D=720deg/sec, Sports=450deg/sec] [ranges: 100~999deg/sec]
This parameter adjusts the maximum pirouette speed of the tail rotor that the gyro will allow. The
default values are set 450 deg/sec in Sports mode and 720 deg/sec in 3D mode when rudder
AFR/DR is 100 %. The bottom of the line shows the actual pirouette speed of the rudder. Use the
data [+] or [-] key to adjust the maximum commanded pirouette rate.
(11) Gain change up delay [default: 12] [ranges: 1 50]
This parameter sets the delay of change of the gyro gain from low to high when switching from
idle up to hover and helps avoid the chance for tail rotor hunting during this switch. Use the data [+]
or [-] key to adjust the value.
(8) Stop delay [default: 120%] [ranges: 100% 400%]
This parameter may also be used to adjust the aggressiveness of the stop but is individually NOT
tuneable for LEFT versus RIGHT tail rotor commands. Larger values will soften the tail stops re-
sulting in less bounce. Use the data [+] or [-] key to adjust the value.
(9) Gyro working mode [default: CMT]
This parameter sets the gyro operating mode. The choices are CMT, Normal and AVCS. The
CMT function is used when you need to switch between the Normal and AVCS modes via the
transmitter. Use the data [+] or [-] key to select the operating mode.
Push DATA
+/– key
Push DATA
+/– key
Push MODE
+/– key