GRAUPNER mc-32 Programming Manual page 103

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Column 4, "–travel+"
Servo 1
0%
100%
100%
Servo 2
0%
100%
100%
Servo 3
0%
100%
100%
Servo 4
0%
100%
100%
Servo 5
0%
100%
100%
Rev cent.
– travel +
This column is used to set servo travel symmetrically
or asymmetrically for each side. The setting range is
0 ... 150 % of normal servo travel. The values set are
based on the settings that have been made for the
"midpoint" column.
To create a symmetric travel path, i.e. control-side
independent travel, the respective control (joystick,
proportional control or switch) is to be put into a
position which covers travel to both sides of the
marked frame.
Note:
It may be necessary to fi rst assign a control attached
to one of the control channels 5 ... 16. If necessary,
this is to be done in the »Control adjust« menu, see
page 108 or 112.
To set asymmetric travel, the respective control
(joystick, proportional control or switch) is to be
moved to the side on which the marked frame only
includes the value to be changed.
The value setting is activated with a brief tap on the
center
SET
key of the right touch pad. The value fi eld
is shown highlighted. Values can be changed with
the selection keys of the right touch pad. Complete
the entry with a tap on the center
SET
touch pad.
A simultaneous tap on the  or  keys of the
right touch pad (CLEAR) will reset the changed
parameter displayed in inverse video back to "100 %".
Important:
In contrast to settings made with the »Control
150% 150%
adjust« menu, all settings made in this menu affect
exclusively the respective servo, independent of
150% 150%
how the control signal for this servo is produced, i.e.
150% 150%
directly by a joystick or by way of any mixer functions.
150% 150%
150% 150%
– limit +
The adjacent fi gure shows
and example of a side-
dependent servo setting,
-50 % and +150 %.
Column 5 "–limit+"
The "– limit +" column is reached by moving the
marker frame, with the  selection keys of the left or
right touch pad, to the right beyond the "– travel +"
column.
Servo 1
Servo 2
Servo 3
Servo 4
Servo 5
Rev cent.
To create a symmetric limit, i.e. control-side
key of the right
independent limit, the respective control (joystick,
proportional control or switch) is to be put into a position
such that the marker frame covers both sides of the
travel setting.
To set asymmetric travel, the respective control
Transmitter control travel
0%
100%
100%
150% 150%
0%
100%
100%
150% 150%
0%
100%
100%
150% 150%
0%
100%
100%
150% 150%
0%
100%
100%
150% 150%
– travel +
– limit +
Detail program description - Servo adjustment
(joystick, proportional control or switch) is to be
moved to the side where it is to be set such that the
marker frame only includes the value to be changed.
A simultaneous tap on the  or  keys of the
right touch pad (CLEAR) will reset the entry fi eld
value displayed in inverse video back to "0 %".
Example:
A servo is controlled separately by two controls over
a mixer and but, for model-specifi c reasons, must
only be operated over a servo travel path of 100 %
because, for example, the rudder would mechanically
collide with the elevator if moved more than 100 %.
As long as only one control is used at a time, this is
no problem. But this does become a problem when
the signals are summed by the simultaneous use of
both controls (e.g. aileron and rudder) to total travel
in excess of 100 %. The linkage and servos could be
strained excessively ...
To prevent this, the travel should certainly be limited
by way of an individual travel limit. In the case of the
rudder used in the example, this would be a value
slightly less than 100 % – because it is assumed the
rudder would collide at 100 %.
103

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