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Dual Rate is a percentage of End Point Adjustment. For example, if you set the Dual Rate 1 percentage value to 100%,
the control surfaces will travel the same amount as defined by your End Point Adjustment programming, and if you set the
Dual Rate 2 percentage value to 50%, the control surfaces will travel half that amount when Dual Rate 2 is Activated. Prior to
takeoff, check the position of the Dual Rate switch to ensure that it is in the position you want.
Dual Rate Overview
The Dual Rate function allows you to change the control authority of the control surfaces by changing the amount of servo travel.
For example, if you are flying an aerobatic aircraft that requires a lot of control throw for aerobatics, but that same amount of control
throw makes the aircraft difficult to control during normal flight, you can use the Dual Rate function to lower the control throw for
normal flight with just the flip of the Dual Rate switch. Two Dual Rate settings are available for the Elevator, Aileron, and Rudder
channels, and different Dual Rate settings can be programmed separately for each of the three Flight Modes.
Changing the Dual Rate Percentage Values
Two different Dual Rate settings can be programmed to the Dual Rate switch. We recommend that Dual Rate 1 be set to the
maximum control surface throw you desire, then set Dual Rate 2 to a different value that is less than maximum. For example,
set the Dual Rate 1 percentage value to 100% and the Dual Rate 2 percentage value to 75%.
WARNING
Keep in mind that it's possible to set the Dual Rate percentage value higher than the End Point Adjustment
percentage value. For example, with the End Point Adjustment percentage value set to 100% and the Dual Rate percentage
value set to 150% the servo will move more than 100% when Dual Rate is turned ON. We strongly recommend that you set
the Dual Rate 1 percentage value to no more than 100%. This will prevent any chance of exceeding your End Point Adjustment
and overdriving your control linkage.
Choosing the Channel
1) Press the Navigation Pad
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to highlight the channel you would like
to make Dual Rate percentage value changes to. Choose either <EL>,
<AI>, or <RU>.
Dual Rate can be set for EL (Elevator), AI (Aileron), and RU (Rudder).
D/R setting range is 0% to 150%. The default setting is 100%. Increasing the Dual Rate percentage value increases servo
travel and decreasing the Dual Rate percentage value decreases servo travel.
1) Move the Dual Rate switch to the position you would like to set a Dual
Rate percentage value for, either 1 or 2.
2) Press the INC+/M1 or DEC-/M2 keys to set the desired Dual Rate
percentage value for the channel you chose previously.
Exponential Overview
The Exponential function allows you to vary the amount of servo travel in relation to the movement of the elevator, aileron, and
rudder control sticks near the neutral positions to change the way the control surfaces react to control stick movement. Increasing
the Exponential value will soften the control feel around neutral and decreasing the Exponential value will heighten the control
feel around neutral. For example, using a positive Exponential percentage value allows for smoother control by lessening the
amount of servo travel in relation to the amount of control stick movement. Using a negative Exponential percentage value may
result in more 'twitchy' control response because the amount of servo travel will be increased in relation to the amount of control
stick movement. The Exponential function is linked directly to the Dual Rate switch. This allows you to program Exponential for
each of the two Dual Rate positions separately.
Exponential does not change the total amount of servo travel at maximum control stick deflection. Exponential affects
the ratio between servo travel and control stick movement at less than maximum control stick deflection.
12.D/R & EXP (DUaL RaTE anD EXPOnEnTiaL), cOnTinUED....
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