Commodore Plus/4 User instructions

UNPACKING

AND

SETTING

• Unpacking your

Commodore

Plus/4

• Getting

know

the

switches

and

sockets

•

Setting

your

Commodore

Plus/4

• Troubleshooting chart

• Peripherals

UNPACKING

YOUR

COMMODORE

PLUS/4

Now

that

you

opened

the

box

containing

your

new

Plus/4

and

found

this

manual,

the

first thing that

you

should do

check

make

sure

that

you

have

all

the

items

this

list.

You

should

have

catnrnadorn

:•

lll

lflllli ,:,,

plun

im-

IImla

Your

Commodore

Plus/4

The

power supply

One

end

plugs

into

wall

outlet,

the

other plugs

into

the

right side

the

computer.

cov,otu

COMPIITER

•·

~v\

'"'

(

The

switchbox

This connects to the antenna jack on the

back

of your

TV.

You

don't need the switchbox if you plan to connect your

Plus/4 to a monitor.

The

cable

This connects the

switchbox to the

output jackon

the left side of the Plus/4.

You

don't need this cable to

connect your Plus/4 to a monitor.

The user manual

Other assorted literature

Warranty card

Commodore Magazines subscription card

The Plus/4 Built-in Integrated Software Manual

If you don'tfind all these items

the box,

check

with your

dealer immediately for replacements.

Before you connect anything, you should look over these

drawings of your computer. These drawings identify all the

outlets so you can set up your

computer

system

quickly

and easily.

GETTING

KNOW

THE

SWITCHES

AND

SOCKETS

The

Right

Side

Your

PLUS/4

2 1

The

On/Off

Switch

Your

Plus/4

should

turned

OFF

when

you

install

rem

ove

cartridges

any

peripheral device

such

aprinter

drive.

There

red

power light located below

the

keybo

ard

the

left,

you

can

sure

whether power

off.

The

Reset

Button

There

are

two

ways

use

the

RESET

button

You

can

use

the

RESET

button

reset

your computer as

you

'd just turned

.Just

press

the

reset

button

once

Remember:

when

you

press

the

reset

button

you

lose

any

BASIC

program currently

memory.*

you

want

reset

your

Plus

and

keep

your

BASIC

program,

hold

down

the

RUN

STOP

key

and

then

press

the

RESET

button.

When

you

this

your

Plus

goes

the

built-in machine language

monitor.

Type

and

press

the

RETURN

key

get back

BASIC

Your

program

remains

intact

the

Plus

/4 memory.Just type

LIST

display

the

program

your

screen.

*When

you

press

RESET,

the

Plus

/4 automatically

issues

the

NEW

command,

which

clears

the

screen.

This

can

reversed

See

the

Plus/4

Programmer

Reference

Guide

for

information

UNNEWing

your

program

you

pressed

the

reset

button

accident.

The

Lett

Side

Your

PLUS/4

3 4

The socket and the switch on the left side of the Plus/4 are

both used for

connections. Neither is used if you'

con-

necting your Plus/4 to a monitor.

The

Jack

This

where you plug

one end of the

cable

(the thin

black cable).

You

can plug either end into this

jack

and the

other end into the

switchbox.

The

High/Low

Switch

This switch controls which channel is used for Plus/4 video

output. Set the H/L switch to Lfor output on channel 3. Set

the H/Lswitch to H for video on channel 4.

You

can use either channel 3 or 4 on your

to displaythe

video picture from your computer. If you have a channel 3

station

your area, select channel

and vice versa.

Experiment to see which setting gives you the best picture.

The

Back

Your

Computer

5 6 7 8 9

The

sockets

the

back

your computer connect avariety

accessories

your

Plus/4.

Each

connector

different.

sure

you

plug each accessory

into

the

correct socket.

The

Power

Socket

The

end

the

power supply cable

fits

here.

Plug

the

other

end

into

astandard

wall

socket

for

three-prong plugs.

The

Serial

Bus

You

can plug adisk drive

aprinter

into

this

socket.

you

want

plug

both,

first plug

the

disk drive

into

this

open-

ing,

then

plug

the

printer cable

into

the

back

the

disk

drive.

The

Cassette

Port

The

Commodore

1531

Datassette

tape recorder plugs

here.

The

RS-232

Port

Accessories

such

amodem

232

adapter plug

here.

RS-232

adapter

makes

possible

hook

accessories

not

accommodated

standard Commodore

equipment ports.

The

Memory

Expansion

Port

Plus/4

software cartridges

and

the

Plus/4

disk drive

plug

here.

Before

you

install

remove

cartridges,

make

sure

your

Plus/4

OFF

Joy

and

Joy

The

Game

Ports

You

can plug joysticks

into

these

sockets.

The

Plus/4

uses

specially designed joysticks available

from

your

Commo-

dore

dealer.

The

Video

Socket

This

where

you

plug

the

cable

that

connects amonitor

your

Plus/4.

Although

this

socket

8-pin connector,

you

can

use

a5-pin cable

this

socket

well.

Commo-

dore color monitors come

with

8-pin cable

for

use

with

the

Plus/4

SETTING

YOUR

PLUS

•

set

your Plus/4, you'll need at least two wall plugs:

one for your Plus/4 and one for your

or monitor.

•

you're installing a disk drive and a printer, you'

need

additional wall plugs.

• Your Plus/4 should be placed a comfortable distance from

your

TV.

• Make sure that your computer

OFF before you start the

setup. Check that the POWER LIGHT on the front left

not lit.

If you are connecting the Plus/4 to a television set,you'll

need a small screwdriverto attach the

switchbox.The

way you connect the switchbox

depends

on what type of

antenna connection your

set has.

You

need only

connect

the

switchbox

once. When you

want to use your computer, just move the switch to the

COMPUTER position.When you want to watch

TV,

move

the switch to

TV.

The

switchbox

will not interfere with

your

reception.

If your television is "computer-ready," follow the instructions

for connection

the television owner's manual.

STEP

1. Disconnect

the

antenna

from

your

use

screwdriver

loosen

the

screws

the

TV.

move

the

two

antenna

leads

STEP

2. Connect

the

switchbox

the

where

the

antenna

leads

were

:attach

the

leads

the

box

the

antenna input

your

TV.

STEP

3. Connect

the

antenna

the

switchbox:attach

the

leads

from

the

antenna

the

screws

the

side of

the

switchbox.

you

have

the

round

coax

type

antenna

connection

your

TV:

STEP

Disconnect

the

antenna

from

your

:unscrew

the

antenna

wire

You

can

disconnect

hand

STEP

2. Connect

the

switchbox

your

TV:

hand

fasten

onto

the

antenna

input post

the

back

your

STEP

(For

the

75-ohm

switchbox) Connect

the

tenna

the

switchbox,hand-turning

the

tenna

cable

into

the

switchbox.

Cable

Selecting

Channel

Your

Connecting

Your

Commodore

PLUS/4

Monitor

Adapter

is Necessary

Switchb

VHF

Ant

Remove to Connect

Antenna

Lead to

Antenna

Lead

Once the switchbox is

place,

get

the

cable (the thin

cable with connectors on both ends) that came with your

Plus/4. Plug one end into the

socket

on the

side

of the

switchbox. Connect the other end into the socket marked

on the left side of your computer.

NOTE: If you'

using the 300- to 75-ohm adaptor

and you want to watch

,you must disconnect the

switchbox and plug the antenna lead

back

.This

is easily done by hand,and may

done

as often

as you like,with no

damage

to your

,computer,

or antenna.

As we explained earlier,your

should be set on either

channel 3 or 4 when you are using your computer. Don't

choose a channel that broadcasts

your area.

you use

channel

set the H/L switch on the side of the computer

L. If you use channel

set this switch to H.

If you're connecting your computer

a monitor instead of

TV,

follow the instructions

the manual that

included

with the monitor. Hooking up a monitor,like the Commo-

dore 1702 Color Monitor,

simple.

requires only one

cable that connects directly from your monitor

the

VIDEO socket

the

back

of your computer.

Final

Steps

1. Attach

the

power supply cable

from

the

power

box

your

Plus/4

Plug

the

square

end

the

cable

into

the

POWER

socket

the

back

the

computer; plug

the

power supply into

the

wall

socket.

you

are

using a

make

sure

that

the

setting

the

H/L

modulator

and

the

channel

your

are

agreement.

(If

your

computer

set

the

must

channel

the

should

tuned

channel

with

your

computer

H.)

Make

sure

that

the

switchbox

set

the

COMPUTER

setting.

you

are

using a Commodore color

monitor,

use

the

rear

jacks,

and

check that

the

back/front switch

set

back.

Turn

your computer.

(The

switch

the

right side

you

face

the

Plus/4.)

all

well,

this message appears

your screen:

COMMODORE BASIC 3.5 60671 BYTES FREE

READY.

The

flashing cursor under

the

READY

message tells

you

that

the

Plus/4

waiting

for

you

start typing.

The

back-

ground color

white,

while

the

letters

are

printed

black,

with

a light purple border around

the

screen.

4. Check

the

troubleshooting chart

you

have

problems.

You

may

need

adjust

your

set

get asharper

picture.

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