Bedienungsanleitung Graupner MX12 (Seite 81 von 144) (Deutsch, Englisch, Französisch)

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Function mode HELICOPTER

Revolution Mixing (Non-heading lock Gyros only), Programmable Mixing (1~2)

Function mode HELICOPTER 33

Revolution Mixing (Non-heading lock Gyros only)

The Revolution Mixing function mixes tail rotor with the

Throttle and Pitch Curve functions to counteract torque

from the main rotor blades. When set up correctly, the

helicopter should climb and descend without a tendency

to yaw in either direction. Because torque reaction vari-

es with different power settings, it is necessary to vary

the tail rotor pitch at the same time. The mx-12 offers

two separate revolution mixing programs, with indepen-

dent up and down mixing for each - one for Flight mode

position Normal and the other for Stunt. The up mixing

adjusts the tail rotor compensation for the mid to high

throttle setting and the down mixing adjusts the tail rotor

compensation for the mid to low throttle setting.

Mixing Value (L125%~0~R125%)

Mixing Program

NORMAL STUNT

UP: Up side UP: Up side

DN: Down side DN: Down side

Go to Programmable

Mixing menu

Go to Pitch curve

Highlight function to

change

Change value/

Switch selection

Reset selection to

default

Accessing the Revolution Mixing Function

1. Place the transmitter power switch in the ON positi-

on.

2. Press the Down and Select keys simultaneously

to enter the Function Mode.

3. Press the Up or Down keys until REVO MX ap-

pears at the top of the LCD.

4. Pressing the Select key will highlight either the Up

mix, Down mix, or the flight mode switch position.

When the flight mode switch is in the displayed

position and the throttle stick is in the displayed

position, the flight mode will be underlined.

5. Press the (+) key to increase the right tail compen-

sation or press the (-) key to increase the left com-

pensation. Press the Clear to reset to 0%.

6. This setup procedure can be used for revolution

mixing for either flight mode switch position Normal

or Stunt. The Stunt position should be used for

forward and/or inverted compensation.

7. Access the PITCH CURVE function by pressing the

Down key.

8. Access the MX1 function by pressing the Up key.

9. Exit the REVO MX function by pressing the Down

and Select keys simultaneously.

Setting Up Revolution Mixing (non-heading lock,

gyros only)

Set up the helicopter so that it will hover with the tail

rotor trim entered. Establish the helicopter into a stable

hover, then steadily increase the throttle to initiate a

steady climb. The body of the helicopter will move in the

opposite direction to the main rotor rotation. Increase

the U, Up, setting until the helicopter climbs with no

tendency to turn. At a safe altitude, close the throttle;

the helicopter will same direction as the main rotor ro-

tation. Increase the D, or Down, mix until the helicopter

descends with no tendency to turn. Throttle stick mo-

vements should be slow, and the initial accerlation and

deceleration swings should be ignored. The Accerlation

Mixing function is provided to compensate for the main

rotor accerlation (and decerlation) torque.

Programmable Mixing (1~2)

The mx-12 offers two programmable mixes to be used

for any number of different purposes. This function al-

lows mixing any one channel to any other channel. This

mix can remain on at all times or be switched on and off

in flight using a number or different switches.

Mix number 1 is of the standard variety, in that the digital

trim for the master channel only affect the master chan-

nel, and not the slave channel. Mix number 2 is of the

“Trim include“ variety. This mix is used any time the mix

requires the slave channels trim position to be varied

when the master channels digital trim position is varied.

Each channel of this radio is identified by an abbreviated

name. The chart below indicates the channel ant its cor-

responding abbreviation. The channel name appearing

first is known as the “master channel“ or the channel to

which you want to mix. The second number is known

as the “slave channel“ or the channel that is beeing

mixed into the master-channel. For example, AILRUD

would indicate aileron-to-rudder mixing. Each time the

aileron stick is moved, the aileron will deflect, and the

rudder will automatically move in the direction and to

the value input. Mixing is proportional, so small inputs

of the master channel will produce small outputs of the

slave channel. Each programmable mix has a mixing

“offset“. The purpose of the mixing offset is to redefine

the neutral position of the slave channel.

Mix SW selection

Mix percentages

(+/- 125%)

Master Channel

Slave Channel

Offset value

(+/- 125)

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