Futaba 3PK - Manual (Page 38)

Steering Dual Rate ST-D/R Level LV3 Only
DEFINITIONS:
•
Dual Rate, or primary dual rate: Decreases the vehicle’s steering sensitivity
across the entire range. Equivalent of decreasing steering EPA by that percentage.
Assigned to grip dial 1 as a default to allow on-the-course adjustments. If grip dial
is unassigned, dual rate may still be adjusted on-screen. Dual rate is always active,
except when the 2nd dual rate switch is pushed. (3PK’s dual rate is the same as the
9Z’s AFR, and the first rate of dual rate in other aircraft style radio models.)
•
Second Dual Rate: A second while-driving rate of servo response, available
with the push of a switch. The 2
nd dual rate is meant to be used to temporarily
have more/less servo travel available without having to readjust the dual rate
dial. Second dual rate is proportional to the EPA not the primary dual rate.
Examples: Used for getting away from walls, crashes, a single hairpin turn on an
otherwise non-technical track.
AVAILABLE FOR: Steering only.
ADJUSTABILITY:
•
RATE: 0 (no steering at all) to 100% (same as EPA). Default: 100%.
•
Switch assignment (to change from primary dual rate to second dual rate): Must be set using FUNC-SW, see pp. 34-
35. Default: no dual rate switch assigned; 2nd dual rate is not usable until a switch is assigned.
•
Rate adjustment: Both primary rate and 2nd rate adjustments may be assigned to any dial/digital trim (see FUNC-DIAL,
pp. 34-35) to allow adjustment while driving. If no dial/trim is assigned, then adjustments are made only within the
D/R function. Defaults: D/R on dial 1, 2nd D/R not assigned.
INTERACTIONS:
•
EPA affects total travel available to steering servo. Both dual rates are directly proportional to the total EPA.
•
Exponential adjusts how much the servo is moved around center without having any effect on the servo travel at full
stick; dual rate uniformly decreases the servo’s movement all along the travel.
•
Speed Limiter slows how quickly the servo moves to a certain point without decreasing its overall travel rather than
decreasing the servo’s movement to decrease its sensitivity.
DESIRED END RESULT: Quickly adjust steering overall sensitivity with a dial while driving on the track; have a second
travel rate available for unusual situations, such as a crash.
CAUTION: Dual rate is active as a default and is adjusted from normal setting (100%) with dial 1 unless it is
reassigned by the user.
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