JR PCM9X II Owner's manual

www.modelflight.com.au – World’s best source of JR products

P

r

og

r

a

mm

i

ng

a

6

-C

h

a

nn

e

l

Sa

il

p

l

a

n

e

This

section

has

been

adapted

for

the

PCM9X

II

from

the

Programming

a

6-Channel

Sailplane

section

by

Engineering

Manager

John

Adams

in

the

XP9303

manual.

The

PCM9X

II

offers

tremendous

flexibility

allowing

nearly

infinite

setup

options.

Five

flight

modes

are

available

that

allow

virtually

every

parameter

to

be

independently

adjusted

in

each

flight

mode.

Camber

adjustment,

landing

flaps,

motor

control,

flight

modes

w

ith

all

their

options,

programmable

mixes,

dual

rates

and

even

the

two

timers

can

be

programmed

to

several

different

levers

and/

or

switches,

allowing

personal

customization

preferences.

Following

is

a

step-by-step

programming

guide

that

will

familiarize

you

with

a

typical

setup

procedure.

We

recommend

following

this

setup

guide

during

your

first

attempts

at

programming,

as

it

will

familiarize

you

with

the

available

functions

and

how

flight

modes

operate.

Later

you

can

customize

this

setup,

adding

more

flight

modes,

changing

function

locations,

etc.

to

meet

your

specific

needs

and

preferences.

Left

3-position

switc

h

Flight

Modes

–

Launc

h

Cruis

e

Land

Fla

p

trim

A

ux

(

Fla

p

eron

)

trim

Left

side

lever

Camber

ad

j

ustment

Spoiler

s

t

ick

Butterfl

y

(

landin

g

fla

p

s

)

The

following

setup

utilizes

three

flight

modes

(Launch,

Cruise

and

Land),

which

are

selected

using

the

left

3-

position

switch

on

the

face

of

the

transmitter.

Trailing

edge

camber

adjustment

will

be

assigned

to

the

left

side

lever

in

the

launch

and

cruise

mode.

Butterfly

(landing

flaps)

will

be

assigned

to

the

spoiler

stick

(throttle

stick)

to

be

active

in

all

flight

modes.

This

is

the

setup

I

personally

use

and

believe

this

program

offers

a

great

base

for

sailplane

pilots

to

develop

their

own

setup

s

from.

1Sail

p

lane

P

r

o

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ammin

g

Guide

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N

o

t

e

on

i

ns

t

a

lli

ng

f

l

a

p

s

e

r

vos

:

Typical

flap

geometry

requires

that

the

servo

arms

be

significantly

offset

to

provide

adequate

down

flap

throw.

This

issue

exists

because

flaps

typically

have

a

large

travel

down

(80

to

90

degrees)

but

very

little

up

travel

(less

than

15

degrees).

To

achieve

proper

flap

travel,

it

is

necessary

that

the

right

flap

sub

trim

is

set

at

225

down

and

the

left

flap

sub

trim

is

set

at

225

up

as

a

starting

point.

Then

when

installing

the

flap

servo

arms,

be

sure

the

spoiler

stick

is

in

the

up

position

and

camber

lever

is

in

the

middle

position.

Install

the

flap

servo

horns

such

that

they

are

angled

approximately

30

degrees

toward

the

trailing

edge

(if

the

flaps

have

the

control

horn

on

the

bottom

of

the

flap)

or

30

degrees

toward

the

leading

edge

(if

the

flap

control

horn

is

on

top

of

the

flap)

then

adjust

the

flap

linkage

such

that

the

flaps

are

level.

See

Sub

Trim

below

for

more

details.

Sail

p

lane

P

r

o

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ammin

g

Guide

2

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Step

#1

Se

r

vo

A

ssignment

Channel

Assignment

I

m

po

r

t

a

n

t

:

In

glider

mode,

the

channel

assignment

(servo

lead

positions

in

the

receiver)

of

the

PCM9X

II

is

different

than

radios.

This

new

channel

assignment

has

two

important

advantages:

•

It

allows

a

6-channel

receiver

to

be

used

to

control

the

6

functions

commonly

found

on

full

function

Sailplanes.

•

It

locates

commonly

mixed

channels,

like

right

and

left

ailerons,

right

and

left

flaps,

rudder

and

elevator

for

(V-tail),

each

other

in

the

data

stream

minimizing

synchronizing

delay

issues.

Install

the

servos

in

the

correct

location

in

the

receiver

per

the

chart

and

illustration

below.

Se

r

vo

C

h

a

nn

e

l

#

Re

c

e

i

v

e

r

P

os

i

t

i

on

Left

Aileron

1

Throttle

Right

Aileron

2

Aileron

Elevator

3

Elevator

Rudder

4

Rudder

Right

Flap

5

Gear

Left

Flap

6

Flap/

Aux.

1

3Sail

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lane

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Guide

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Step

#2-

S

y

stem

Mode

Enter

the

S

ys

t

e

m

M

od

e

by

depressing

and

holding

the

ENT

button

w

hile

turnin

g

on

the

transmi

t

ter.

Step

#3

Selec

t

ing

a

Model

Memory

Depress

the

Selector

to

enter

the

model

select

menu.

Rotate

the

Selector

to

highlight

M

od

e

l

SE

L

and

depress

the

Selector

to

access

the

30

available

model

memories.

Rotating

the

Selector

will

allow

memory

model

selection.

Choose

the

memory

(1

œ

30)

that

you

intend to store the current model

in,

then

depress the

Selector

to

store

that

memory

position.

Press

the

LIST

button to return to

t

he SYSTEM

M.

lis

t

.

Step

#4

Selec

t

ing

Model

T

y

pe

In

SYSTEM

M.

list,

rotate

the

Selector

until

T

yp

e

SE

L

is

highlighted.

Depress

the

Selector

to

access

the

Model

Type

Selection

menu.

Rotate

the

Selector

to

highlight

G

L

ID

then

depress

the

Selector

to

store

the

glider

programming.

Press

the

LIST

button

to

return

to

the S

y

stem Mode screen.

Sail

p

lane

P

r

o

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ammin

g

Guide

4

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Step

#5

Naming

a

Model

In

the

SYSTEM

M.

list,

rotate

the

Selector

until

MD

L

Na

m

e

is

highlighted.

Depress

the

Selector

to

access

the

model

name

menu.

Rotate

the

Selector

to

position

the

cursor

under

the

desired

position

and

press

the

Selector

to

access

the

alphanumeric

list.

Rotate

the

Selector

to

highlight

the

desired

figure.

Depressing

the

Selector

will

now

place

the

selected

figure

in

position.

Rotating

the

Selector

will

advance

the

cursor,

allowing

the

selection

of

another

figure.

Pressing

the

L

IST

button

w

ill

store

the

name

and

return

to

the

System

Mode

screen.

Step

#6

Selec

t

ing

the

Modulation

In

the

SYSTEM

M.

list,

rotate

the

Selector

until

MODU

L

A

T.

is

highlighted.

Depress

the

Selector

to

access

the

Modulation

menu.

Rotate

the

Selector

to

highlight

Modulation

and

press

the

Selector

to

access

the

two

types

of

modulation

(ZPCM,

SPCM

and

PPM).

Rotate

the

Selector

to

highlight

the

desired

modulation

type dependent on the type of

receiver

being

used.

Depressing

the

Selector

will

store

the

desire

modulation

type

in

the

model

memory.

Press

the

LIST

button

to

return to the S

y

stem Mode screen.

5Sail

p

lane

P

r

o

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r

ammin

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Guide

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Step

#7

T

u

r

nin

g

Of

f

the

Spoile

r

Stick

T

rim

In

the

SYSTEM

M.

list,

rotate

the

Selector

until

TRIM

STEP

is

highlighted.

Depress

the

Selector

to

access

the

TRIM

STEP

menu.

Rotate

the

Selector

to

highligh

t

SPOI

and

press

the

Selector

to

access

the

spoiler

tri

m

value.

Rotate

the

Selector

until

a

0%

is

shown.

This

wil

l

t

urn

off

the

s

p

oiler

trim,

p

reventin

g

an

y

unwanted

interaction

w

ith the spoiler trim

and

the

spoiler

stic

k

.

Depressing

the

Selector

will

store

the

desired

0%

value

i

n

the

model

memory.

Press

the

LIST

button

to

return

to

th

e

System

Mode

screen.

Step

#8

Es

t

ablishing

Flight

Modes

In

the

SYSTEM

M.

list,

rotate

the

Selector

until

De

v

i

c

.

SE

L

is

highlighted.

Depress

the

Selector

to

access

the

Device

Select

menu.

Initially

we

are

going

to

activate

three

of

the

available

five

flight

modes

(Launch,

Cruise

and

Land).

Rotate

the

Selector

to

highlight

L

A

UN

and

press

the

Selector

to

access

the

available

switches

that

the

flight

mode

can

be

assigned

to.

For

our

purpose,

assign

the

L

A

UN

flight

mode

to

A

UX4

SW

(left

3-

position

switch).

Later

you

can

change

the

flight

mode

to

the

position

that

best

suit

your

needs.

Rotate

the

Selector

until

A

UX4

SW

is

highlighted

and

press

the

Selector

to

store

the

desired

left

3-position

switch.

Press

the

LIST

button

to

return

to

the

System

Mode

screen.

Sail

p

lane

P

r

o

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r

ammin

g

Guide

6

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Step

#9

W

ing

and

T

ail

T

ype

Select

In

the

SYSTEM

M.

list,

rotate

the

Selector

until

W

i

ng

TYPE

is

highlighted.

Depress

the

Selector

to

access

the

Wing

Type

menu.

If

your

sailplane

has

a

V-tail

rotate

the

Selector

to

highlight

V-tail

and

press

the

Selector

to

select

A

CT.

Rotate

the

Selector

to

access

the

DU

A

L

F

L

A

P

function

and

press

the

Selector

to

access

dual

flap

if

your

sailplane

has

individual

servos

for

each

flap.

Press

the

LIST

button

to

return

to

the

S

y

stem Mode screen.

Step

#10

Ente

r

ing

FUNC.LIST

To

enter

the

F

unc

t

i

on

li

s

t

,

turn

on

the

transmitter

and

then

press

the

LIST

button

on

the

transmitter.

The

following

screen

will

appear.

Step

#11

Se

r

vo

Reve

r

sing

In

FUNC.

L

IST

list,

rotate

the

Selector

until

REV.

SW

is

highlighted.

Press

the

Selector

to

access

the

reverse

switch

menu.

Rotate

the

Selector

to

highlight

the

desired

channel

then

press

the

Selector

to

reverse

the

selected

channel‘s

direction.

Check

the

direction

of

all

servos

and

reverse

as

necessary.

Press

the

LIST

button to return to

t

he Function

Mode

screen.

Note:

Channel

labels

may

vary

due

to

channel

assi

g

nments,

e

g

.

RUD

=

R

FL

and

MOT

=

LFL

7Sail

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lane

P

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Step

#12

Sub

T

rim

In

FUNC.

L

IST

rotate

the

Selector

until

S

ub

T

r

i

m

is

highlighted.

Press

the

Selector

to

access

the

Sub

Trim

menu.

Rotate

the

Selector

to

highlight

the

desire

channel

then

press

the

Selector

to

change

the

sub

trim

value

of

the

selected

channel.

Sub

trim

all

functions

so

that

t

hey are in the neutral position

(see

flap

note

below).

Press

the

LIST

button

to

return

to

the

Function

Mode screen.

Note:

Typical

flap

geometry

requires

that

the

sub

trim

be

significantly

offset

to

provide

adequate

down

flap

throw.

This

issue

exists

because

flaps

typically

have

a

large

travel

down

(80

to

90

degrees)

but

very

little

travel

up

(less

than

15

degrees).

To

achieve

proper

flap

travel,

it

is

necessary

that

the

right

flap

sub

trim

be

set

at

225

down

and

the

left

flap

sub

trim

be

set

at

225

up

as

a

starting

point.

Then

when

attaching

the

flap

servo

arms

be

sure

the

spoiler

stick

is

in

the

up

position

and

camber

lever

is

in

the

middle

position.

Install

the

flap

servo

horns

such

that

they

are

angled

approximately

30%

toward

the

trailing

edge,

then

adjust

the

flap

linkage

such

that

the

flaps

are

level.

Sail

p

lane

P

r

o

g

r

ammin

g

Guide

8

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Step

#13

T

ravel

A

d

j

ust

In

FUNC.

L

IST

rotate

the

Selector

until

TRV

L

A

D

J

is

highlighted.

Press

the

Selector

to

access

the

Travel

A

djust

menu.

Rotate

the

Selector

to

highlight

the

desired

channel

then

press

the

Selector

to

change

the

sub

trim

value

of

the

selected

channel.

Moving

the

applicable

control

stick

or

switch

changes

the

direction

in

which

the

travel

adjustment

is

made

(right/

left,

up/down).

Set

the

travel

adjust

for

all

functions

except

flaps

at

this

time.

Press

the

LIST

button

to

return

to

the

Function Mode screen.

Step

#14

Bu

t

te

r

f

ly

(Landing Flaps)

In

FUNC.

L

IST

rotate

the

Selector

until

B

u

tt

e

r

f

l

y

is

highlighted.

Press

the

Selector

to

access

the

Butterfly

menu.

Note

the

default

setting

for

offset

is

at

+170%.

With

this

setting,

the

flap‘s

neutral

position

(trailing

edge

level)

occurs

when

the

spoiler

stick

is

in

the

full

up

position.

Rotate

the

Selector

to

highlight

SW

s

e

l

e

c

t

and

press

the

Selector

to

access

the

available

switches.

Rotate

the

Selector

and

select

the

B

TF

switch

and

press

the

Selector

to

move

the

switch

to

P

os

0.

Be

sure

all

switches

in

this

screen

are

set

at

zero.

This

is

necessary

to

allow

the

Butterfly

function

to

always

be

on.

Rotate

the

Selector

to

highlight

SPOI

⁄

F

L

A

P

0

then

depress

the

Selector

to

access

the

spoiler-to-flap

value.

Move

the

spoiler

stick

to

the

full

down

position

and

adjust

the

value

by

rotating

the

Selector

until

the

desired

down

flap

position

is

achieved.

Press

the

Selector

to

store

the

flap

value

then

rotate

the

Selector

to

access

the

SPOI

⁄

FPRN

0

function.

Depress

the

Selector

to

access

this

value

and

with

the

spoiler

stick

in

the

low

position,

adjust

the

flaperons

(ailerons

as

flaps)

to

the

desired

position.

You

may

wish

to

adjust

the

SPOI

⁄

E

L

EV

at

this

time,

however,

there

is

a

curve

mix

in

P-mix

1

that

will

allow

several

points

on

a

curve

to

be

adjusted

for

flap-to-elevator

mixing

that

we

will

be

covering

in

Step

#15

below.

Press

the

LIST

button

to

return

to

the

Function

Mode

screen.

9Sail

p

lane

P

r

o

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r

ammin

g

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Step

#15

Spoile

r

t

o

Eleva

t

o

r

Cu

r

ve Mix

(

P

r

o

g

r

ammable Mix

1

)

On

most

sailplanes,

deploying

flaps

causes

the

aircraft

to

pitch

up.

This

pitching

is

non-linear

and

typically

the

airplane

pitches

up

dramatically

the

first

25%

of

flap

travel

but

becomes

less

dramatic

during

the

25%

through

50%

range,

and

very

little

additional

up

pitching

occurs

from

75

to

100%

flaps.

The

PCM9X

II

incorporates

a

preprogrammed

curve

mix

that

mixes

the

spoiler

stick

(landing

flaps)

to

the

elevator.

In

FUNC.LIST

rotate

the

Selector

until

PROG

Mix1

is

highlighted.

Press

the

Selector

to

access

the

Programmable

mix

1

spoiler-to-elevator

curve

mix.

Rotate

the

Selector

to

highlight

the

desired

point

then

press

the

Selector

to

access

the

point‘s

value.

Rotate

the

Selector

to

change

the

value.

All

points

on

the

curve

can

be

adjusted

using

this

method.

The

below

curve

shows

the

typical

values

that

are

needed

for

a

common

performance

sailplane.

Press

the

LIST

button

to

return

to

the

Function

Mode

screen.

Sail

p

lane

P

r

o

g

r

ammin

g

Guide

10

JR PCM9X II Owner's manual

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