59
CONTINUED
Section 19: Programming Guide —
JR XP783/XP347/XP388S
Dual Rate Switch
Position Being
Adjusted
AIL.0
100
%
DUAL-RATE
: Aileron
: Elevator
: Rudder
POS
Dual Rate Value 0 – 125%
Indicates Channel for Which
Dual Rate Function is Being Programmed
Function Being
Programmed
AI L
ELE
RUD
Increase or Decrease
Dual Rate Value
Reset Dual Rate Values
to 100%
+
CLR
–
Channel Selection
0 or 1. Select with D/R switch
UP
CH
DN
Channel Indicator
AI L
ELE
RUD
AIL.0
L I N
Exponential Value
(0 –100%)
*LIN (Linear) = 0%
EXP
Dual Rate Switch
Position Indicator
POS
Function Being
Programmed
: Aileron
: Elevator
: Rudder
Increases Exponential
Value
Decreases
Exponential Value
Resets Exponential Value
to Linear (0%)
+
CLR
–
Channel Selection
UP
CH
DN
Step 9. Adjusting the dual rates:
Press the
Up
key until the
“DUAL-RATE” screen appears. The
CH
key allows the selection
of the aileron, elevator or rudder channels, while the respective
dual rate switch allows you to select position 0 or 1. Adjust the
high rate for each channel to 100% and the low rate to 50% using
the (+) or (-) keys. First flights should be attempted using low
Step 10. Using exponential:
Exponential is used to reduce
the sensitivity of control around center while still providing full
control authority when the control stick is fully deflected.
Because the Ultra Stick
™
40 uses large control throws, it’s a good
idea to give expo a try, even if you've never used it before, to
help prevent over-controlling. Press the
Up
key until the “EXP”
screen appears.
Use the
Channel
key to select the aileron, elevator, or rudder
channel, then use the corresponding dual rate switch to select
position 0 or 1. Separate expo values can be programmed for
position 0 and 1. We recommend an expo value of 30% on
aileron and 25% on elevator and rudder for the first flights, then
on subsequent flights, adjust the value until the desired control
feel is achieved.
Summary of Contents for Hangar 9
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