Futaba 8UHFS, 8UHPS - Manual (Page 29)

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The ATV function is used to set the travel of each servo in both directions. At a
100% setting, the throw of the servo is approximately 40° for channels 1 – 4 and
approximately 55° for channels 5 – 8. Reducing the percentage settings reduces the
total servo throw in that direction. The ATV menus should be set to prevent any
servo binding at extreme travel.
Setting ATV on your system:
You can reset to the initial values by pressing
the (+) and (-) keys simultaneously.
Channel display
• Aileron travel setting: push the aileron stick to the right and set the amount of servo throw
with the (+)/(-) keys. Move to the left side and
• Elevator adjustment: push the elevator stick down and set the amount of servo throw with
the (+)/(-) keys. Repeat with up elevator.
• Adjust the following channels (if used) in a similar fashion (don't forget to set both
directions): Throttle, Rudder, Landing gear, Flap, CH7,
To D/R function
To TIMER function
Left/up
servo throw
Right/down
servo throw
Range: 30 - 140%. Initial value=100%
*The blinking item is what is being set.
Channel display
No.
CH1
CH2
CH3
CH4
Channel Name
AI = Aileron
EL = Elevator
TH = Throttle, AB: Air brake
RU = Rudder
No.
CH5
CH6
CH7
CH8
Channel Name
GE = Landing gear, GY = Gyro, 5 = Channel 5
FL = Flap, PI = Pitch
Channel 7
Channel 8
Data input keys
These keys are used to select
the channel to be set in ATV.
You can use D/R dual rate settings to reduce (or increase) the servo travels by flipping
a switch, or they can be engaged by any stick position. The travel reduction or
increase for the ailerons, elevator, and rudder may be controlled by this menu.
The default locations of the Dual rate switches (factory settings) are as follows:
aileron: Switch D; elevator: Switch A; rudder: Switch B.
You may select your own positions for the switches. You may also program your
system so that the dual rates are automatically activated when you move any stick past
a certain position.