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B A S I C
S E T T I N G , M O D E L
DSC Output
Autorotation
Autorot. C1-Pos.
0%
Thr. CutOff
–125%
SET
SEL
The – upper – preset value in the middle column
ensures the motor can be stopped, throughout the
maximum possible positioning range of the servo or
speed controller, alone by the switch to be assigned
in the right column.
However, if a lower threshold is preferred, at which an
underrun will cause the throttle servo or speed con-
troller with closed switch to enter the throttle cut-off
position for a closed switch condition – by default the
right-side proportional rotary slider – put the throttle/
pitch stick into the desired position then tap on the
centre
SET
key of the right touch pad.
B A S I C
S E T T I N G , M O D E L
DSC Output
Autorotation
0%
Autorot. C1-Pos.
Thr. CutOff
–125%
SEL
SET
Finally, use the column at the right to specify a switch
with which you can cut off the motor directly (emer-
gency) or which will be activated by the threshold.
102 For your notes
B A S I C
DSC Output
PPM10
Autorotation
–––
Autorot. C1-Pos.
–––
Thr. CutOff
+150%
–––
STO
SET
Notes:
•
Be sure the throttle servo does not run out
mechanically when the cut-off function is
activated.
•
A threshold over +100 % is reached by
temporarily increasing the travel for servo 1 in the
»Servo adjustment« menu to over 100 % then,
after storing the threshold, change servo travel
back to the original value.
Marking
B A S I C
Autorotation
PPM10
Autorot. C1-Pos.
–––
Thr. CutOff
–––
Marker key
+100%
–––
STO
SET
When activated, the "Marker key" will place a marker
in the "Pitch" curve, as well as in the "Channel 1
Throttle" and "Channel 1 Tail rotor" mixer curves
of the »Helicopter mixer« menu, to mark the current
pitch stick position of the pitch stick and it takes on
the form of a vertical dashed line. This marker is help-
ful for setting curve points at the right places during
flight testing, e. g. the hovering point
S E T T I N G , M O D E L
PPM10
–––
0%
–––
–125%
+100%
8
SEL
SET
STO
SET
S E T T I N G , M O D E L
–––
0%
–––
–125%
+100%
8
–––
SEL STO
SET
SET
One of the two standard momentary contact switches
mounted into the switch panels should be the pre-
ferred choice of switch assignment.
Example:
The hovering point is to be placed at the midpoint of
the throttle/pitch stick for the «Hover» flight phase
but it is found to be still located above control middle
during flight testing. Press the switch in this position
and, after the landing, examine, for example, the
Pitch curve in the »Helicopter mixer« menu, page
190.
Pitch
Input
–30%
Curve
Output
–30%
off
Point
?
–
The continuous vertical line shows the stick's current
position. Its position in this example lies at -30 % (=
input) of control travel and, because of its (still) linear
control curve, produces an output signal which is also
-30 % (= output).
On the other hand, the dashed vertical line repre-
sents the stick position at which the marker switch
was pushed.
Move the stick to this marker line to read the input
and output values for the found hovering point. The
marker points of the other two mixer curves are read
similarly. Now these three curves can be alternately
modified as necessary in order to correct the hover-
ing point. Curve point "1" in this simple example can
be raised at the curve's midpoint to the output value
that was determined to be the hovering point in the
Pitch graph.
+
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