207
Program description - Free mixers
L.Mix 1
+20%
+20%
+100%
Offset
SET
STO
6 EL
Mix input
If the offset, now -100 %, is reset to 0 % of control
travel by using selection key on the left or right four-
way button to select the SET field then tapping either
the selection key combination or on the right
four-way button (CLEAR), the following screen will ap-
pear:
L.Mix 1
+20%
+20%
0%
Offset
STO
6 EL
Mix input
SET
Asymmetric mixer ratios
In many cases, however, we require different mixer
values on each side of the mixer neutral point.
Do this by first resetting the offset of the mixer used in
the example, “6 EL” again to 0 %, if necessary, refer
to the figure above. Now select the ASY field with the
selection key on the left or right four-way button then
tap the centre SET key of the right four-way button. If
slider control Sl1, assigned to input 6 in this example, is
now moved in each corresponding direction, the mixer
ratios for each of the two control directions, i. e. left and
right of the established offset point, can be adjusted
with the selection keys of the right four-way button:
L.Mix 1
0%
Offset
ASY
SYM
6 EL
Mix input
+55%
+20%
Note:
If you are using a type “S N.N.*” switch
channel mixer you will need to actuate the
assigned switch. The vertical line then jumps
between the left and right side.
Setting curve mixers C9 … 12
These four curve mixers allow the definition of extreme-
ly non-linear mixer curves by placing up to four freely
positionable points between the two endpoints “L” (low
= -100 % control travel) and “H” (high = +100 % control
travel) along the control travel.
If you have already read the »Channel 1 curve« menu
description (see page 134 to 137) or about program-
ming 6-point curves in the »Helicopter mixers« menu
(see page 185), you can safely skip the following de-
scription.
Programming details
The control curve is defined by up to 6 points, known
as “reference points”. In the default software configu-
ration, 2 reference points are already defined, namely
only the two end-points, “L” and “H”; see the next
screen image.
The following section applies to “any” mixer to which
we wish to assign a non-linear curve characteristic.
The examples shown in the following
section are merely illustrative, however,
and they do not represent real-life mixer
curves.
Setting reference points
When you move the transmitter control assigned to
the mixer input – here control function 8 – a vertical line
in the graph follows the movement between the two
end-points. The current control position is also shown
numerically on the “Input” line. The point at which this
line intersects with the curve in question is named the
“Output” and can be varied between ± 125 %; see fur-
ther below. This control signal acts on the mixer output.
In the above example, the transmitter control is on
input 8 at -50 % of control travel. The output signal
continue to show 0 %, however, since no value has yet
been entered.
–45%
0%
0%
Input
Output
Point
?
C.Mix 9
normal
Curve
off
8 10
Up to four additional reference points can be set be-
tween the two end-points “L” and “H”, although the
distance between neighboring reference points must
not be less than approx. 25 %.
Move the transmitter control of the control channel you
have selected – in this example the left of the two pro-
portional sliders fitted to the centre console (“Sl1”).
–45%
0%
0%
Input
Output
Point
?
C.Mix 9
normal
Curve
off
8 10
When you now briefly tap the centre SET key of the
right four-way button, the “?” is replaced by a point
number and the value field to the right is activated, i. e.
presented in inverse video:
* N.N. = Nomen Nominandum (the named name)
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