Manual Graupner MC 22S (page 155 of 180) (English)

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Programming examples – Model helicopters

»Phase assignment« (page 80)

P H A S E A S S I G M E N T

p r io r c o m b i

A B C D

2 3 < 1 N o r m a l >

S E L

Assign the three-position switch under “B” or “C”.

The next step is to allot the ﬂ ight phases you have

set up in the »Phase setting« menu to each of the

switch positions. Since you have already assigned na-

mes to the ﬂ ight phases, these names now appear on

the screen: initially the name of Phase “1” is display-

ed on the right. If you operate the auto-rotation switch

(which you have already assigned), the screen dis-

plays “Autorot”.

P H A S E A S S I G M E N T

p r io r k o m b i

A B C D E F

< 1 N o r m a l

S E L

Autorot

Just to remind you:

The auto-rotation phase has absolute precedence.

Move the switch to the ﬁ rst end-point, and select the

SEL ﬁ eld on the right of the screen. Use the rotary

control to select the ﬂ ight phase which you wish to as-

sign to this switch position (in this example “2 Hover”)

and conﬁ rm with a brief press of the rotary control or

ENTER. Move the switch straight to the other end-

point, which is allotted the name “3 Acro”. Proceed in

exactly the same way with the centre position of the

switch, to which we will assign the name “1 Normal”.

Note:

Of course, it is also possible to swap over the phase

names or use different names for the three switch po-

sitions. For example, if you wish to use a speed go-

vernor, as described in the section starting in the next

column, a sequence of the “normal / hover / acro”

type might well make sense.

The model settings which you entered before you as-

signed a phase switch are now located in ﬂ ight pha-

se 1 (“normal”). That is the phase which is called up

when the phase switch is at the centre position.

These settings are known to be correct, i.e. you have

test-ﬂ own the model using them, so it is a good star-

ting point to copy them into the other ﬂ ight phases,

as this ensures that at least the model ﬂ ies safely in

each phase. This is done using the »Copy / Erase«

menu; see page 47.

Once you have set up a series of ﬂ ight phases, it is

possible to make changes to the phase-speciﬁ c me-

nus for each phase separately. Since the mc-22s fea-

tures digital trims, in the Heli program all four trim po-

sitions are stored separately for each ﬂ ight phase, in

addition to the other menu settings which you have

entered separately for each ﬂ ight phase (see page

32).

Suggested additional programming: speed gover-

nor

At some stage you will probably consider installing

a speed governor (regulator), such as the mc-Heli-

Control, in your helicopter. This unit provides a safe

way of ﬂ ying your helicopter with different system ro-

tational speeds. It is sensible to couple the individu-

al rotational speeds with the ﬂ ight phases, so that you

can make additional adjustments as required for each

rotor speed.

Before you carry out the programming at the trans-

mitter, it is essential to install the speed governor and

program it exactly as described in the manufacturer’s

instructions. As you would expect, the mc-22s offers

several possible methods of implementing different

rotational speeds in individual ﬂ ight phases. These in-

clude “ultra-convenient” facilities, but they do call for

much greater programming effort at the transmitter,

and for this reason are best reserved for the experi-

enced pilot.

The following example involves certain restrictions

in terms of convenience, but the efﬁ ciency of rotor

speed governing is perfectly adequate, and the sys-

tem is reasonably easy to program and – not least –

easy to operate.

The procedure is similar to that previously described

for setting up gyro gain. Once again, the “Travel” and

“Offset” adjustment facilities in the »Control adjust«

menu are used to adjust the end-points of a two-

channel switch module, slider or rotary knob.

Depending on the features of your transmitter and the

assignments you have selected for your transmitter

controls, you can use either the standard transmitter

control connected to socket CH6 on the transmitter

circuit board, or an optional two-channel switch mo-

dule with long toggle (Order No. 4151) or short toggle

(Order No. 4151.1), connected to the CH8 socket.

To set up this system you again open the menu ...

»Control adjust« (page 60)

E n t e r 5

C n t r 5

0 % + 1 0 0 % + 1 0 0 % 0 . 0 0 . 0

T h r o t 6

f r e e

0 % + 1 0 0 % + 1 0 0 % 0 . 0 0 . 0

G y r o 7

f r e e

0 % + 1 0 0 % + 1 0 0 % 0 . 0 0 . 0

E n t e r 8

C n t r 8

0 % + 1 0 0 % + 1 0 0 % 0 . 0 0 . 0

o f f s e t - t r a v e l+ - t im e +

S Y M A S Y

A S Y

S Y M

S E L

Requirement:

The governor must be programmed in such a way

that the “back” position of the switch module (e.g.

Control 8) equates to “governor off”, while the forward

position determines the actual rotational speed.

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