Manual Graupner MC18 (page 21 of 56) (English)

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Code 37 Code 43 Code 11

Signal Generator Allocation V-Tail Servo Reverse

Allocation of Operating Elements Channels 5 – 9 V-Tail Mixer Reversing Direction of Servo Rotation

In some cases, for individual models, it may be

desirable to have certain operating elements, such as

slider-type potentiometers or channel switches affect

other function outputs than those to which they have

been allocated by the internal connection.

Code 37 permits free choice of allocation of the

operating elements to the function outlets without

changing the internal connections. In addition it is

possible to have one operating element affect several

function outputs.

After selecting, the function inputs (operating

elements) appear in the upper line of the display

identified by the socket 5…9, and the output to which

they have been allocated appears in the lower line.

Signal generator 7 is, for example, the slider-type

potentiometer is connected to plug station 7.

To allocate one of the function inputs to another

operating element, select the function concerned by

one of the keys … 9 , whereupon a question mark

symbol appears in the lower line below the selected

function. Pressing key 5 … 9 allocates this function

to the desired operating element, which may have

also been allocated to another function, affecting both

functions in that case.

Normal allocation will be restored by pressing the

CLEAR key.

In the case that a signal generator action should be

undesirable, in special case such as a dummy mixer,

the signal generator concerned can be turned off via

code 72.

With models fitted with a V-tail the functions of

elevator and rudder are mixed in a such a manner

that in the case of the elevator both control surfaces

are moved up and down (in the same direction), but in

opposite directions (one up, one down) the case of

rudder. Unlike mechanical solutions where the

elevator servo and the rudder servo actuate both

surfaces via a suitable mechanical mixer, each

control surface is operated by a separate servo. This

solution provides the advantage that control of the V-

tail is slop-free and accurate, and that in addition,

higher control forces are available.

The V-tail mixer can be used for all types of models,

naturally with the exception of helicopters (types 8

and 9) and Deltas and flying wing models (type 3) as

in these case elevator function and aileron function

are mixed anyway.

After calling code 43, the V-tail mixer can be turned

on via the INC and DEC keys, and turned off by

pressing CLEAR .

The elevator/rudder mix ration can be modified via the

dual-rate adjustment, code 13.

Code 11 permits changing the direction of rotation of

servo to those required in a model, so the linkages

etc., can be installed without paying attention to the

initial direction of rotation of the servos in question.

After calling code 11, the direction of rotation of all

servos will be simultaneously indicated on the display

by their numbers 1…9 with the numbers appearing in

the bottom line indicating normal rotation, and those

appearing in the upper line indicating reversed

rotation.

Important:

The numerals of the servo designation always refer to

the receiver outlet to which the servo is connected.

Any conformity with the numbering of the control

function inputs of the transmitter would be purely

coincidental. They won’t occur normally because of

the complex special programs of these hi-tech

models. For that reason a change of allocation of

control functions (code 57) won’t affect the numbering

and direction of rotation of the servos.

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Graupner MC18 Manual

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