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Programming examples - Parallel operating servos
»Model type« (page 98)
In this menu, switch to the “Tail type” line using the
selection keys, activate the value field with a brief tap
on the centre SET key of the right key pad then select
the entry “2EL Sv 3+8”:
None
1AIL
+100%
SEL
2ELSv3+8
Tail type
Motor at C1
Aile/flaps
Model type
Brake Off In 1
Then do the fine-tuning for travel of the two servos “in
the now familiar manner” in the »Servo adjustment«
menu (page 106).
Two rudders
We want to switch two rudders “in parallel”. The se-
cond rudder is located at the free receiver output 8.
Variant 1
The basis of this variant, as already mentioned the on
page 214, for the “normal” installation of the servos in
the fuselage and their connection to the rudder. That
is, both servos are parallel to each other vertically or
horizontally mounted in the fuselage, and both rudders
are either externally or internally connected in the same
direction of rotation to the servo arm.
In the following menu…
»Dual mixer« (page 214)
… on the
mc-20 HoTT transmitter only select one
of the dual-mixers and enter “8” and “RU” in its left and
centre value fields, as shown in the figure:
Ty p
Diff.
zu
Dual mixer
Mixer1
Mixer2
8
Mixer3
Mixer4
??
??
??
??
??
??
0%
0%
0%
0%
RU
The same deflection “ ”, which would take place
through “Input 8” must not have an effect here. There-
fore, you should make absolutely sure in the …
»Control adjust« (page 112)
In5
offset
0%
0%
0%
–––
In6
In7
In8
–––
–––
–––
GL
GL
GL
typ
Landung
fr
fr
fr
fr
SEL
GL 0%
… menu, that “Input 8” “GL(obal)” is set to “free” so the
control function is separate from the control channel
over all flight phases.
Alternatively you can set Input 8 to “no transmitter
control” for all ight phases in the »Mix-only channel«
menu, which is available as standard on the
mc-20
HoTT transmitter only, by setting channel 8 to “Mix-
only”.
MIX–only channel
only
normal
7 8 9
10
11
12
Variant 2
This variant uses the …
»Free mixers« (beginning on page 201)
… menu to set a mixer “Tr RU 8”. In the “ty(pe)” col-
umn, select the setting “Tr” so that the rudder trimming
affects both rudder servos:
ty
fr
to
M1
M2
M3
RU
8
??
??
M4
M5
??
??
??
??
??
??
Tr
Afterwards, switch to the graphic screen and set a
symmetric mix of +100 %:
L.Mix 1
0%
Offset
ASY
SYM
RU 8
Mix input
+100%
+100%
Here too, “Input 8” should also be programmed – if
applicable, for all flight phases – to “free” by way of the
»Control adjust« menu. However, it is simpler to sepa-
rate control function “8” from control channel “8” using
the »Mix-only channel« menu – see page 212. This
applies to all flight phases, and is available as standard
on the mc-20 HoTT transmitter only.
MIX–only channel
only
normal
7 8 9
10
11
12
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