GRAUPNER MC-28 Programming Manual

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Ring limit
This function is used to control up to three of the so-called
Voith-Schneider drives of ship models. The function only appears in
the multi-function menu when the model type "Boat" has been
selected.
In the "Input" column, select the two channels to be used for con-
trolling the drive unit. You can also use channels 5 - 16. A control
must then be assigned on the selected channel.
In the "Output" column you can define the output channels, which
control the servos of the drive unit.
Activating the ring limiter in the "SET" column.
Change to the setting side of the ring limiter in the "=>" column.
In the setting page of the respective "ring limiter" the maximum
travel is set between 25 and 125% in the first line. The measure of
the limitation of the total deflection is set in the second line between:
0 % Circular limiter ()
100 % without limiter () - The limit is the mechanical limit stop of
the respective control stick.
In the two upper "max-X" and "max-Y" value fields set the required
(servo travel) limit in the range of 25 - 125%, separately for both con-
trol functions "left / right" and "forward / backward" . The adjust-
ment is enacted so that the servos in the model are no longer run-
ning.
In the line underneath, labeled "<=>-X" and "<=>-Y" in the
lower-left side, you can influence the shape of the limiter between
"circular" and "square" with setting values between 0 and maximum
125 %. The setting value can never be greater than the value in the
field above.
4
4
4
Ring limiter
Input
SET
3
9
11
OFF
OFF
OFF
Output
X
3
3
3
Y Y
4
10
12
X
0%
R.lim.1
max-X
0%
CH 4
100%
100%
CH 3
0%
R. lim.1
 -X
0%
CH 4
100%
100%
CH 3

GRAUPNER MC-28 Specifications

General

Proper use	Helicopter
Product type	Remote control
Product color	Black, Silver
Frequency band	2.4 - 2.484 GHz
Menu languages	DEU, DUT, ENG, ESP, FRE, ITA
Channels quantity	16 channels
Brand compatibility	Graupner
Throttle (TH) function	Yes
Compatible memory cards	MicroSD (TransFlash)
Number of memory records	120
Maximum operating distance	3000 m
Operating temperature (T-T)	-15 - 55 °C
Power consumption (charging)	400 mA
Operating voltage (max)	4.35 V
Operating voltage (min)	3.4 V

Weight and Dimensions

Depth	235 mm
Width	228 mm
Height	66 mm
Weight	1250 g