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To this end, there are a total of 4 so-called "control
switches", C1 ... C4, available whose switching di-
rection can be established, even inverted, in the
»Control switch« menu, page 145.
•
Logical switches, which are available as standard
mc-20
on the
transmitter only (but can be un-
mc-16
locked on the
HoTT at extra cost) allow
two switches and / or control switches to be linked
together logically in an "AND" or "OR" circuit. See
the "Logical switches" menu on page 148. A total
of 8 logical switches "L1 ... L8" (as well as another
8 inverted logical switches with inverted switching
direction) are available.
The result of a logical switch function can also be
used as an input for another logical switch func-
tion. Refer to the appropriate menu for more de-
tails about this.
•
The two FX switches switch a function on "FXI" or
off "FX " permanently.
•
All switches mentioned can have multiple assign-
ments. Pay attention that you do not UNINTEN-
TIONALLY assign reciprocally conflicting functions
to a single switch. If necessary, note down the giv-
en switch functions.
Typical applications:
•
Shut-off of an on-board glow plug heater upon un-
derrun or overrun of an idle threshold point pro-
grammed for the C1 stick. In this case the glow
plug heater switch is controlled by a transmitter
mixer.
•
Automatic switch on/off of the timer to measure
pure "flight time" for a helicopter by way of a con-
trol switch on the throttle limiter.
Automatic switch off of the "AI Rud" mixer when
•
brake flaps are extended, for example to adapt the
roll of a model to the ground when making a land-
ing on a slope without inducing a change of flight
direction due to influence on the rudder.
•
Extending landing flaps with elevator trim adjust-
ment during a landing as soon as the throttle stick
is moved beyond its switch point.
•
Switch on/off of the timer for measuring the oper-
ating time of electric motors.
Physical control, switch and control switch assignments
69
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