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206 Detail program description - Dual mixers
   Dual mixers
Same-sense/opposite-sense mixing of two control channels
Using the selection keys on the left or right touch pad, 
page to the menu option …
Phase settings
Phase assignment
Phase trim
Non-delayed chan
Timers (general)
Fl. phase timers
Wing mixers
Free mixers
MIX active/phase
MIX-only channel
Dual mixer
Fail-safe adjust
Control switch
Logical switch
Phase settings
Phase assignment
Non-delayed chan
Timers (general)
Fl. phase timers
Helicopter mixer
Free mixers
MIX active/phase
MIX-only channel
Dual mixer
… on the multi-function menu. Briefl y tap the center 
SET
 key of the right touch pad to open this menu 
option.
Diff.
D U A L     M I X E R
Mixer  1
Mixer  2
??
??
Mixer  3
Mixer  4
??
??
??
??
??
??
0%
0%
0%
0%
The four fl ight phase independent dual mixers couple 
a V-tail mixer in a similar manner …
3
3
4
Se
rv
o
4,
8 V
C 57
7
Be
s
t.
-N
r.
 41
0
1
Se
rv
o
4,
8 V
C 57
7
B
e
s
t.-
N
r.
 41
01
4
V-tail mixer
Control function inputs
Control channels
(receiv
er outputs)
Elevator stick
Rudder stick
Right rudder / elevator
Left rudder / elevator
Rudder
Ele
vator
Ele
vator
Rudder
Rudder
Ele
vator
… a same-sense "
c c" and an opposite-sense 
"
c d" control function, although they permit any 
channel to be used and offer differential travel for the 
opposing function.
Important notice:
Since the same and opposite sense infl uences 
of the given input on the two servos or rudder 
fl aps  – coupled to one another by the dual mixer –  are 
determined by, among other things, their installation 
situation and the direction of rotation specifi ed in 
the »Servo adjustment« menu, the symbols "
c c"
and "
c d" are to be perceived more as synonyms 
rather than as consistently appropriate defi nitions! 
Accordingly, if wing fl aps are defl ected in the wrong 
direction, simply swap the two inputs or use the 
"servo reverse" option in the »Servo adjustment«
menu; see page 102. 
In the software, the V-tail mixer already mentioned is 
supplemented by other "dual mixers" for realization 
of the two aileron servos on receiver outputs 2 and 
5 and for the fl ap pairs on outputs 6 and 7, possibly 
also 9 and 10. These are activated via the aileron 
stick and the transmitter control that has been 
assigned to input "6" on the »Control adjust« menu.
In the same way, the four freely-programmable 
dual mixers on this menu can be used to couple 
two further control functions, a feature that would 
otherwise only be possible with time-consuming 
programming of free mixers.
Here, we will use a "V-tail with rudder differential" as 
our example to explain the programming of a dual 
mixer (see also the examples on page 286):
Diff.
D U A L     M I X E R
Mixer  1
Mixer  2
EL
RU
Mixer  3
Mixer  4
??
??
??
??
??
??
+25%
0%
0%
0%
Depending on activation, both servos move in the 
sense of elevators or rudder fl aps. The differentiation, 
according to dual mixer confi guration, is only effective 
for rudder activation. In this case, both corresponding 
trim wheels are effective. No additional free mixers 
are required for this arrangement. When using this 
mixer, however, the tail type MUST be entered as 
"normal" on the "Model type" menu.
Tip:
All settings can be checked directly in the »Servo 
display
« menu, which can be accessed from almost 
any other menu by simultaneously tapping the 
ef
keys on the left touch pad.
Example:
Model with two rudders, with differential travel and 
outward movement (e.g. swept-back fl ying wing):