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EN
v-Tail Differential (Air and Sail Types only)
The V-Tail Differential screen enables you to increase or decrease
the amount of differential between control surface throws.
Positive Differential values decrease the amount of "down" travel
without affecting the "up" travel on the opposite control surface.
Negative Differential values decrease the amount of "up" travel
without affecting the amount of "down" travel on the opposite
control surface.
Throttle Cut
Throttle Curve
You can use the Throttle Curve menu option to optimize
the throttle response. A maximum of 7 points are available
on the throttle curve.
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The V-Tail Differential menu option only appears when
V-Tail A or V-Tail B is active in Aircraft Type.
To adjust the v-Tail Differential
1. Scroll to Switch and press the scroll wheel. Scroll right to
2. Press the scroll wheel a second time to save the selection.
3. Scroll to Diff: and press the scroll wheel once to change
4. Press the scroll wheel again to save the selection.
The Throttle Cut menu option enables you to assign a switch position to stop an engine
or motor. Throttle Cut activates regardless of flight mode. When you activate Throttle Cut,
the throttle channel moves to the pre-programmed position (normally off). You may need
to use a negative value to move the throttle channel to the off position.
CAUTION: Always test the model after making adjustments to make sure
the model responds to controls as desired.
To add points to a Throttle Curve:
1. Move the throttle stick to the position where you wish
2. Scroll to Add Pt. and press the scroll wheel to add the point.
To remove points from a Throttle Curve:
1. Move the Throttle stick until the cursor is near the point
2. Scroll to Remove Pt. and press the scroll wheel once to
If you program multiple throttle curves and you wish to edit one
of the curves, that curve must be active in the Throttle Curve
screen before you can make any changes.
select On (Differential is always on) or assign the differential
to a switch position.
the value.
to add the new point.
you wish to remove.
remove the point.
SPEKTRUM DX18t • TRANSMITTER INSTRUCTION MANUAL
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