Bedienungsanleitung Multiplex PROFImc3010 (Seite 75 von 79) (Englisch)

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based

on our own experience

and

measurements.

your

system

passes

this test,

you

can be sure

you

are

on the

safe side.

Collapse

your

transmitter

aerial

lully.

2. Ask an assistant

hold

your

model

about

1 m

above

the

ground.

3. Check

that

there are no

large metal

items

(cars,

wire

fences etc.) close to

the model.

4, Make

sure that

no other transmitters

are switched

(even

on different

channels)

when

you

carry

out

the

test.

Switch

your

transmitter

and

receiver. When the

transmitter

m trom the

model the equipment

should be able

pass

the

following test:

PPM system:

the control surfaces

should

still

respond immediately

to stick

movements, and

make

no uncontrolled

movements at all.

PCM system:

the control

surfaces should

still

respond

promptly

to stick

movements.

The inherent

interference suppression

of a

PCM system

prevents

servos

jittering.

the signal

received

is not strong

enough,

then a

PCM receiver

will continue

pass

the last

received signal

to the servos.

The servos

will then either

not respond

to stick movements,

will hesitate before

responding.

your

model

is fitted with a

motor, repeat the

test with

the motor

running.

Interference

suppression

with

magnetic/electronic

ignition systems

Screen

the

ignition lead

with a metal tube,

fixed

(earthed)

to the

motor crankcase

close to

the igni-

tion coil.

Use screened

plug

connectors

at all

times.

Never

power

the ignition system

from

the receiver

battery.

Keep a distance

of at least

15 cm between

the igni-

tion system

and all

the

system

components

(in-

cluding

the

receiver battery).

Keep the

leads from the

ignition battery

and the

other components

short as

possible,

and suffi-

ciently

thick

(min.

0.5 sq

mm).

The

ignition switch should

rated at a minimum

(minimum

voltage drop).

Notes on

servos

The servo

torque for a

particular

control

surface

can

usually

calculated

with sufficient

accuracy

using

the following

rough

formula:

0.75

x control surface

area

(in

sq cm/100)

torque

(in

cm/kg).

In large

models

it is often

necessary to extend

servo

leads.

you

intend titting extension

leads,

please

note

that they

affect

reception conditions.

the

lead is more

than

60 cm

long

you

musl use

a separation

filter. lf

other

servo

leads run

parallel

to these

long leads

for a

distance

of more than

25 cm, then

the shorter

leads

should

also be

fitted

with

separation

filters. There are

two

alternative

methods:

Separation

tilters for direct connection

(O.

No. I5083)

This

lead

simply

connected

between

the receiver

outDut

and the

servo connector.

Extension

lead with separation

filter

(60

cm: Order

No. I5082

120 cm: Order

No. I5083)

Extension

lead set with separation

filter

(max.

2 m:

Order

No.

I5138)

This is a kit

which can be used

to connect

servos

which are built

into

wings or other

parts

of the model.

Airborne

power

supplies

Receiver battery

You can use

the lollowing

rough tormula

to calculate

the

receiver battery capacity

required

in a

particular

model:

0.2 Ah

x No. of servos

battery

capacity

in Ah

For example, a

model with 5 servos

should be

fitted

with a

1 Ah receiver battery.

good

idea is to

one

step

further and select

the

"next

size up",

provided

that weight and

space are

not a

problem.

Switch

harnesses

The switch

harness is connected

to the battery and

the

receiver. Some

switch

harnesses

(e.9.

Order

No.8

5100)

have an

integral charge socket.

lJ the switch

installed

in the model's side

you

can

recharge the

receiver battery

without having to open

the model.

Diagnosis

(closed

loop) operation

For checking

and making adjustments,

the transmitter

and

receiving system can

linked by the Diagnosis

Lead

(Order

No.

I5105).

The

model must be

fitted with

a switch

lead with

integral charge/diagnosis

socket

(Order

No. 8 5100).

The RF

module in the transmitter

switched

out of circuit

automatically,

and can

even

removed.

Closed-loop

operation:

saves

power;

no RF signal

produced

or radi-

ated by

the transmitter

its current

consumption

droDs

to about 330/o

of the

normal value;

disturbs

nobody, because

the

RF module

is not

functioning.

cannot

suffer

interference, because

RF signals

are

ignored by the

receiver.

lmportant:

You can

only carry out closedloop

checking

if none of

the stick

functions

has been

released as a

Pupil func-

tion

(see

pages

74174:

Teacher/Pupil

operations).

When

you pull

out

the

plug

from the transmitter,

the

module is switched

into circuit

again,

which could

interfere

with

your

fellow modellers.

So: be sure

switch

the

transmitter off

before dis-

connecting

the

plug!

Care

of the

transmitter

Storage

Protect

your

PROFI mc 3010

from:

mechanical damage

ambient

temperatures

above

60 degrees C

(sun-

shine in a car)

damp, solvents,

model

fuel, exhaust

residue

dust

(in

the workshop).

Please

bear in

mind that condensation

may form on

and

in the transmitter

you

move it

from

your

warm

workshoo to a cold

car or

vice versa. Condensation

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