GRAUPNER MC-20 HoTT Programming Manual page 95

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per wing half. However, elevator
trimming is also affected by
selecting the "2AIL 2FL" option – see
below – but only on servos 2 & 3.
"2ELSv3+8":
This option is intended for models
with two elevator servos. The servo
connected to output 8 will operate
in parallel with servo 3 to actuate
elevators. Elevator trim affects both
servos.
Note on "2ELSv3+8":
One control, which assigns input 8 by
way of the »Control adjust« menu, is
then disconnected from servo "8" by
software for reasons of safety i.e. it is
made ineffective.
Aileron/camber fl aps
After selecting the »Aileron/camber fl aps« line with
the
selection keys of the left or right touch pad,
the corresponding entry fi eld will be framed.
M O D E L L T Y P E
Motor on C1
Tail type
Aileron/camber flaps
Brake
Offset
+100%
Briefl y tap the center
SET
key of the right touch pad:
The current setting will be displayed in inverse video.
Now use the selection keys of the right touch pad to
select the number of wing servos to be programmed
for the model.
Available
Control channel used
1AIL
1AIL 1FL
2AIL
2AIL 1FL
2AIL 2FL
2AIL 4FL
4QR 2WK
4AIL 4FL
Depending on the option selected here, the given
mixers needed and their settings will be activated in
the »Wing mixers« menu, beginning page 172.
Tips:
Settings for all wing fl ap pairs (Al and Al2, FL and
FL2) can be trimmed on a fl ight-phase basis in
both the »Phase trim« menu as well as in the
Wing mixers« menu, page 172.
The functionality of all wing fl ap pairs (Al and Al2,
FL and FL2) can also be operated by way of the
"Throttle/brake-fl ap joystick" if this stick has not
been assigned to other use, e.g. for certain brake
settings, see »Wing mixers« menu, page 172.
To confi gure this it is only necessary to assign
"Control 1" to input 6 in the »Control adjust«
None
menu, page 108. (If it is preferable to operate fl aps
Normal
with switches, one of the transmitter's two or three
1 AIL
position switches are good for this purpose.)
Input 1
Brake Offset
SEL
This function not only has potential for gliders and
electric models but also for models with combustion
motors and landing fl aps.
The mixers described in the »Brake settings« line of
the »Wing mixers« menu can be operated by the C1
joystick ("input 1") or another transmitter operating
element which has been assigned to input 7, 8 or 9 in
the »Control adjust« menu. In this latter case, retain
2
the "GL" default setting for the "Type" column in the
»Control adjust« menu so the selected control can
2 | 6
operate independent of fl ight phase.
2 & 5
2 & 5 | 6
2 & 5 | 6 & 7
2 & 5 | 6 & 7 / 9 & 10
2 & 5 / 11 & 12 | 6 & 7
2 & 5 / 11 & 12 | 6 & 7 / 9 & 10
Detail program description - Model type | Winged models
In the majority of cases the default setting for
"input 1" will remain as it is and the brake will be
operated by way of the non-neutralizing C1 joystick.
However, use of input 7, 8 or 9 makes it possible to
operate the brake in an alternative manner, even by
way of a supplementary control, if the C1 stick is to
be used for something else.
The neutral point (offset) can be set to any desired
position. This is done by placing the control for input 1,
7, 8 or 9 into the position at which the landing fl aps are
to be retracted, i.e. closed, then setting this "Offset"
point in the column above the column label STO.
The selection of this offset point in this context
determines not only the control position at which the
brake system is to be retracted, i.e. closed, but also
also the activation direction of the C1 joystick for
extending the brake system.
Brake offset values with a "+" prefi x will cause
fl aps affected by the "Brake settings" option of
the »Wing mixers« menu to be extended when
the C1 joystick is moved from front to rear, in the
direction of the pilot.
Brake offset values with a "-" prefi x will cause
fl aps affected by the "Brake settings" option of
the »Wing mixers« menu to be extended when
the C1 joystick is moved from rear to front, in the
direction away from the pilot.
If the offset point is not set at the far end of control
element travel, the remainder of travel to the end
point will be "free travel", i.e. this "free travel" will
no longer infl uence any mixer available for "Brake
settings" in the »Wing mixers« menu. This idle path
ensures that all brake settings remain at "neutral",
even with minor deviations from the limit of the brake
fl ap control. At the same time, the effective control
path is automatically spread to 100 %.
95

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