GRAUPNER mx-20 Hott Programming Manual page 284

Then switch to the "Travel" column with the arrow keys
 of the left or right touch pad and increase the now
inversely highlighted value from +100 % to +125 % with
a fully opened throttle limiter after briefl y pressing the
central SET key of the right touch pad:
Input 9 +100%
Input10 +100%
11
Input +100%
Th.L.12 +100%
normal
– travel +
In doing so, it is assured that the throttle limiter releases
the entire throttle travel with the pitch joystick later
during fl ight.
Adjustment notice for electric helicopters:
Since electric drives do not, by nature, require an idle
setting, in the scope of the base setup of an electrically
driven helicopter it must only be ensured that the
regulating range of the throttle limiter safely exceeds
and undercuts the normally reached adjustment range
of the motor control of -100% to +100 %. If necessary,
therefore, the adjustment of the "travel" setting of
the throttle limiter described above must be modifi ed
accordingly, for example, to symmetric 110 %. The
further adjustment, however, can take place analogously
to the combustion helicopter described here.
With this process, you have not carried out the basic
settings for the transmitter as they are needed again
later for further model programming.
The actual helicopter-specifi c settings take place
primarily in the menu ...
284 Detail program description - Control adjust
""Helicopter mix" (page 164 ... 179)
Pitch
C1
C1
Tail
Roll
+100%
Roll
+100%
Nick
+100%
Nick
+125%
Gyro suppress
Swash rotation
Swash limiter
The "Pitch" function appears right in the fi rst line. By
pressing the central
you switch to the corresponding submenu. The graphic
representation of the pitch curve appears here; it is
initially only defi ned by the points "L" and "H":
Pitch
Cur ve off
Input
Output
Point ?
normal
Now place point "1" in the center by briefl y pressing the
central SET key of the right touch pad:
Throttle
Tail
Throttle 0%
Throttle 0%
Tail 0%
Throttle 0%
Tail 0%
0%
0°
OFF
Normal
SET key of the right touch pad,
0%
0%
0%
Pitch
Cur ve off
Input 0%
Output 0%
Point 1 0%
normal
Always try to make due with these three points initially;
more points can "over-complicate" the matter and are
more of a burden at this point.
The reference point for the hovering should generally
be the mechanical center position of the pitch joystick,
because this position comes closest to the normal
control feel. Although the curve adjustment enables
other settings, you must know exactly what you
are doing. First set the pitch joystick in the center.
The servos which you had previously set according
to manufacturer specifi cations have their levers at
positioned perpendicularly to the servo housing
(normally). The hovering pitch value of 4 ° to 5 ° is now
mechanically set at the control levers for the blades. In
principle, all known helicopters fl y with this setting.
Then move the pitch joystick towards maximum pitch
until the limit position. (The vertical line shows you the
current joystick position.) Now change point "H" of the
pitch curve with the arrow keys of the right touch pad so
that the pitch maximum is approximately 9 ° at the rotor
blades of the main rotor. With a value of approximately
+50 % this may be the case: