Adjustment at the device
Hovering pitch
At PARAMETER MENU point M the collective pitch will move to the set hovering
position. As described above this will be used to keep the heli in hovering position (when
using an AttitudeControl mode with pitch). Ideally the pitch angle is exactly as large as
it is necessary to maintain a stationary hovering flight without ascending or descending.
Typically this is somewhere in the range between 5 and 6 degrees.
By moving the rudder stick left or right you can descrease or increase the hovering pitch.
The color of the Status-LED indicates the range where the pitch is in between at the
moment. This range is specified as percentage of maximum positive/negative pitch.
Status-LED AttitudeControl collective pitch
off > 20% of maximum collective pitch
purple > 30% of maximum collective pitch
red > 50% of maximum collective pitch
blue
>
70% of maximum collective pitch
• Please note that during operation you can always add more pitch by giving thrust
stick input. The pitch you adjust here is only the minimum amount of pitch. So
practically in case this is not enough pitch to keep the heli in the air you will always
have the option to override the pitch input for safety reason.
• When using the ”3D - Mode with pitch” make sure that the maximum pitch range is
symmetrical, i.e. the maximum positive and negative pitch are of same size. Otherwise
the hovering pitch will differ in normal and inverted flight as the AttitudeControl pitch
is calculated from each maximum pitch setting! The setting affects both directions,
separate adjustment of the hovering pitch angles is not provided.
• If the maximum positive/negative pitch is changed at SETUP MENU point K in
consequence also the hovering pitch will change! So after adjusting the maximum
pitch also check and readjust the hovering pitch here at menu point M.
• When tilting the helicopter the amount of pitch will change and you may not see the set
amount of hovering pitch. This is because the system uses an internal algorithm that
controls the pitch during rotation, trying to roll the helicopter with as less horizontal
and vertical movement as possible. Anyhow, this algorithm bases on the assumption
that you've set the hovering pitch as good as possible. But, for examply, when you've
set more pitch in order to achieve the helicopter gaining height when AttitudeControl
is active, this may not cause the helicopter to turn on spot properly.
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