HP 82912A Manuale utente

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Instruction

The

video

monitor

is

a

high-resolution,

monochrome

display

available

with

a

9-inch

(HP

82912A)

or

12-inch

(HP

82913A)

CRT.

Features

include

a

screen

to

reduce

glare

and

reflections,

a

video

bandwidth

wide

enough

to

display

24

lines

of

80

characters

each

without

distortion,

and

a

1-watt

audio

amplifier.

The

following

accessories

are

shipped

with

each

monitor:

«

Instruction

Sheet.

«

Power

Cord.

#

Warranty

and

Service

Information

Sheet.

Three

registration

cards

are

included

with

the

HP

82913A

Video

Monitor

(120

Vac

only).

Please

take

the

time

to

fill

them

out.

You

should

retain

one

for

your

records,

return

one

to

Hewlett-Packard,

and

leave

one

with

your

dealer.

HP

82912A

Video

Monitor

Input

Impedance

750

or

high-impedance,

switchable.

Display

Capacity

24

lines

with

80

characters

each.

Scanning

Frequency

Horizontal:

approximately

15.75

kHz.

Vertical:

approximately

60

Hz.

Power

Supply

120

Vac

±

10%

at

60

Hz.

Option

001:

230

Vac

+

15%,

-

10%

at

48-67

Hz.

Power

Consumption

28

W.

Dimensions

270

x

225

x

261

mm.

10.6

x

8.9

x

10.3

inches.

Weight

4.8

kg.

10.58

lbs.

iftfiffifilfflf

ifiiriffiiiiiti

lillHIIHllHI

MIMIIIIIilll

tmtnmnm

iiuitmiiiui

liiiiiiiunni

mimimmi

Input

Impedance

7512

or

high-impedance,

switchable.

Display

Capacity

24

lines

with

80

characters

each.

Scanning

Frequency

Horizontal:

approximately

15.75

kHz.

Vertical:

approximately

60

Hz.

Power

Supply

120

Vac

±

10%

at

60

Hz.

Option

001:

230

Vac

+

15%,

-

10%

at

48-67

Hz.

Power

Consumption

30W.

Dimensions

360

x

296

x

330

mm.

14.2

x

11.7

x

13.0

inches.

Weight

6.7

kg.

14.77

lbs.

Video

Input

Signal

The

waveform

and

timing

chart

of

recommended

signals

is

as

follows:

i

'

i

I

Horizontal

Composite

Waveform

Vertical

Composite

Waveform

2

Note;

The

video

monitor

audio

connectors

are

included

in

the

installation

diagrams

for

use

in

connecting

a

computer

that

has

audio

capabilities.

To

connect

one

video

monitor

to

your

computer,

feed

the

video

signal

from

the

computer

to

the

VIDEO-IN

connector.

The

termination

switch

on

the

back

panel

should

be

set

to

750.

(Maximum

video

cable

length

is

150

meters.)

With

an

HP82912A

Video

Monitor:

With

an

HP82913A

Video

Monitor:

AUDIO

SIGNAL

AUDIO

SIGNAL

For

more

than

one

display,

the

termination

switch

should

be

set

to

HIGH

on

all

video

monitors

except

the

last

one.

The

switch

on

this

last

monitor

should

be

set

to

75ft.

Up

to

four

displays

can

be

connected.

With

an

HP

82912A

Video

Monitor:

AUDIO

SIGNAL

6

HIGH

AUDIO

VIDEO

©

out

©

With

an

HP

82913A

Video

Monitor:

AUDIO

SIGNAL

3

When

connecting

multiple

displays,

observe

the

following

guidelines

for

total

video

cable

length.

To

determine

this

total

for

your

system,

add

together

the

lengths

of

any

video

cables

attached

to

active

VIDEO-IN

or

VIDEO-

OUT

connectors.

CAUTION

Damage

to

the

video

monitor

can

result

from

exposure

to

rain

or

moisture,

installation

in

an

exces¬

sively

hot

location

or

near

high-capacity

transformers,

motors,

or

other

magnet-equipped

apparatus.

To

prevent

the

video

monitor

from

overheating,

do

not

obstruct

the

air

circulation

vents

built

into

the

cabinet.

V

HOLD

BRIGHTNESS

AUDIO

IN/OUT

CONTRAST

VIDEO

IN/OUT

H

HOLD

HIGH

V

HEIGHT

SUB

BRIGHT

HP

82912A

Video

Monitor

(9-inch}

ffffifiiifiifti

uimtitHtm

fHIIfiJHIHII

llfillitltltttf

fimmimm

minimum

mimfimif!

minimum

Kfiiiiiiiiiiit

mmimmii

V

HOLD

BRIGHTNESS

CONTRAST

VIDEO

IN/OUT

H

HOLD

AUDIO

IN/OUT

HIGH

SUB

BRIGHT

V

HEIGHT

OFF-ON-VOL:

To

turn

the

monitor

on,

rotate

this

knob

clockwise.

Power

is

turned

off

with

a

counter¬

clockwise

rotation.

BRIGHTNESS:

This

control

is

used

to

adjust

the

display

if

it

is

not

bright

enough

or

if

it

is

too

bright.

CONTRAST:

This

control

allows

adjustment

of

the

contrast

between

the

green

phosphor

image

and

the

background.

H

HOLD:

If

the

picture

tears

toward

the

left

or

right,

or

appears

as

diagonal

stripes

across

the

screen,

the

horizontal

hold

should

be

rotated

clockwise

or

counterclockwise

until

the

picture

stabilizes.

V

HOLD:

If

the

picture

rolls

upward

or

downward,

the

vertical

hold

should

be

rotated

clockwise

or

coun¬

terclockwise

until

the

picture

stabilizes.

75-OHM

TERMINATION

SWITCH:

This

switch

should

be

set

to

75Q

when

connected

to

equipment

which

has

75-ohm

output

impedance.

The

switch

should

be

set

to

HIGH

when

connected

to

a

higher

output

impedance

or

when

using

multiple

monitors

(refer

to

the

installation

diagrams).

VIDEO-IN

and

VIDEO-OUT

Connectors:

These

connectors

provide

feed

through

of

a

video

signal

when

it

is

desirable

to

display

the

video

signal

on

more

than

one

monitor.

The

composite

video

signal

applied

to

the

VIDEO-IN

connector

will

also

appear

at

the

VIDEO-OUT

connector.

The

video

signal

from

a

computer

should

be

fed

to

the

VIDEO-IN

connector

using

the

video

cable

(HP

part

number

8120-3760).

AUDIO-IN

and

AUDIO-OUT

Connectors:

When

applicable

the

audio

signal

from

a

computer

should

be

fed

to

the

AUDIO-IN

connector

using

a

shielded

cable.

CAUTION

Damage

to

the

screen

could

result

if

the

same

characters

or

graphics

are

shown

for

a

long

period

of

time

with

the

BRIGHTNESS

and

CONTRAST

controls

set

to

maximum

positions.

Note:

Adjustments

should

always

be

made

using

the

controls

described

first.

If

finer

adjustments

are

required

the

following

adjustments

can

be

made

on

the

back

of

the

monitor

by

qualified

service

center

personnel:

V

LIN

(Vertical

Linearity

Adjustment),

V

HEIGHT

(Vertical

Height

Adjustment),

and

SUB

BRIGHT.

Power

cords

with

different

plugs

are

available

for

the

video

monitor.

The

part

number

of

each

cord

is

shown

below.

Computer

Power-Input

Socket

5

The

cord

packaged

with

the

machine

depends

on

where

the

machine

was

delivered.

To

obtain

a

different

power

cord

contact

your

dealer

or:

In

the

United

States:

Hewlett-Packard

Personal

Computer

Division

1010

N.E.

Circle

Blvd.

Corvallis,

Oregon

97330

Toll-free

number

(7:00

a.m.

to

4:30

p.m.,

Pacific

Time)

Call

(800)

547-3400

(except

Oregon,

Alaska,

and

Hawaii)

Oregon,

Alaska,

Hawaii:

Tel.

(503)

758-1010

TTY

users

with

hearing

or

speech

impairments,

please

dial

(503)

758-5566.

In

Europe:

Hewlett-Packard,

S.A,

7,

rue

du

Bois-du-Lan

P.O.

Box

CH-1217

Meyrin

2

Geneva

Switzerland

Tel.

(022)

82

70

00

Other

Countries:

Hewlett-Packard

Intercontinental

3495

Deer

Creek

Rd.

Palo

Alto,

California

94304

U.S.A.

Tel,

(415)

857-1501

Warranty

and

Service

Information

Note:

If

your

monitor

requires

servicing,

Hewlett-Packard

will

replace

it

with

a

reconditioned

monitor.

The

reconditioned

monitor

will

be

returned

in

the

rear

portion

of

the

plastic

case

from

your

original

monitor.

Therefore,

HP

requests

that

you

place

any

personal

identification

marks

or

labels

on

the

rear

portion

of

the

plastic

case.

Also,

to

protect

your

monitor

during

shipment,

it

should

always

be

shipped

with

the

rear

case

intact.

The

following

procedures

should

be

followed

any

time

you

suspect

your

monitor

requires

servicing.

Check

to

see

if

the

power

light

is

off

and

the

power

is

turned

on.

If

so,

turn

the

power

off.

Unplug

the

power

cord

from

the

power

outlet.

Then,

remove

the

power

cord

from

the

power

cord

receptacle

on

the

back

of

the

monitor.

Inspect

the

power

contacts

on

both

the

monitor

and

the

power

cord

and

clean

them

if

necessary.

Make

sure

the

power

cord

is

then

securely

plugged

into

the

monitor

and

into

a

grounded

ac

outlet.

Turn

the

power

back

on.

If

the

power

light

fails

to

come

on,

the

monitor

requires

service.

If

the

power

light

comes

on

but

no

cursor

appears,

adjust

the

display

brightness.

If

the

screen

remains

blank

or

behaves

erratically,

or

if

the

computer

keyboard

fails

to

respond

to

keyboard

commands,

follow

the

recom¬

mended

procedure

for

testing

your

computer.

6

The

warranty

statement

and

procedures

for

obtaining

repair

service

are

contained

on

the

Warranty

and

Service

Information

sheet

shipped

with

your

HP

82912A/HP

82913A

Video

Monitor.

If

you

need

additional

informa¬

tion,

please

contact

your

authorized

HP

dealer

or

the

nearest

Hewlett-Packard

sales

and

service

facility.

If

you

have

questions

concerning

the

warranty,

please

contact:

In

the

United

States:

One

of

the

six

Field

Repair

Centers

listed

on

the

service

information

sheet.

In

Europe:

Hewlett-Packard,

S.A.

7,

rue

du

Bois-du-Lan

P.O.

Box

CH-1217

Meyrin

2

Geneva

Switzerland

Tel.

(022)

82

70

00

Other

Countries:

Hewlett-Packard

Intercontinental

3495

Deer

Creek

Rd.

Palo

Alto,

California

94304

U.S.A.

Tel.

(415)

857-1501

General

Shipping

Instructions

Should

you

ever

need

to

ship

your

monitor,

be

sure

it

is

packed

in

a

protective

package

to

avoid

in-transit

damage.

Use

the

original

shipping

carton

whenever

possible.

Shipping

damage

is

not

covered

by

the

warranty.

All

customs

ana

duties

are

the

customer

s

responsibility.

Hewlett-Packard

recommends

that

you

always

insure

shipments.

This

equipment

generates

and

uses

radio

frequency

energy

and

if

not

installed

and

used

properly,

that

is,

in

strict

accordance

with

the

manufacturer’s

instructions,

may

cause

interference

to

radio

and

television

reception.

It

has

been

type

tested

and

found

to

comply

with

the

limits

for

a

Class

B

computing

device

in

accordance

with

the

specifications

in

Subpart

J

of

Part

15

of

the

FCC

Rules,

which

are

designed

to

provide

reasonable

protection

against

such

interference

in

a

residential

installation.

However,

there

is

no

guarantee

that

interference

will

not

occur

in

a

particular

installation.

If

this

equipment

does

cause

interference

to

radio

or

television

reception,

which

can

be

determined

by

turning

the

equipment

off

and

on,

the

user

is

encouraged

to

try

to

correct

the

interference

by

one

or

more

of

the

following

measures:

®

Reorient

the

receiving

antenna.

®

Relocate

the

monitor

with

respect

to

the

receiver.

®

Move

the

monitor

away

from

the

receiver.

•

the

monitor

into

a

different

outlet

so

that

the

monitor

and

the

receiver

are

on

different

branch

circuits.

If

necessary,

the

user

should

consult

the

dealer

or

an

experienced

radio/television

technician

for

additional

suggestions.

The

user

may

find

the

booklet,

How

to

Identify

and

Resolve

Radio/TV

Interference

Problems,

help¬

ful.

It

is

available

from

the

U.S.

Government

Printing

Office,

Washington,

D.C.

20402,

Stock

No.

004-000-

00345-4.

7

HEWLETT

PACKARD

Personal

Computer

Division

1010

N.E.

Circle

Blvd.,

Corvallis,

OR

97330,

U.S.A.

Reorder

Number

Printed

in

U.S.A.

5957-3331

1/83

5957-3366