Sony BETAMOVIE BMC-220 Інструкція з експлуатації Посібник з експлуатації - Сторінка 25

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Routine maintenance for

longterm, trouble-free

operation

Keep the video head clean

the video head will become dirty with extend-

ed use. If recording is continued when the

head

becomes dirty,

picture

noise and

dropouts will

occur.

The Betamovie incorporates a special lamp to

alert you when the head is dirty.

When the REC START/STOP button is

pressed and recording begins, the "C" or

CAUTION lamp flashes.

This indicates that the head is dirty or clog·

ged.

Press the REC START/STOP button

repeat·

edly, alternatively starting and stopping

recording. If the indicator stops flashing,

recording can be resumed.

If the indicator does not stop flashing, do

the

following.

Stop recording and clean the head.

For best results, use the optional L·25CL

cleaning tape.

• Incorrect use of the cleaning tape can

cause damage to the video

head.

pre-

vent this, read the cleaning tape instruction

manual carefully before using.

• If the indicator light continues flashing

after the head is cleaned

contact the

outlet where the Betamovie was purchased

or your nearest authorized Sony service

facility.

• If picture quality is not sharp after the head

has been cleaned

it is possible that the

head is worn

In this

case,

the video head

will have to be replaced.

Cleaning the lens

the lens surface becomes dusty or

dirty,

pic-

ture quality will

not

only

suffer,

but the auto

focusing system may also work

improperly,

resu lting in out-of-focus scenes.

Periodic inspection

Because the image is recorded from the

Betamovie onto magnetic

tape,

high prec ision

is required

for

opt

imum

recording quality.

Especially,

the video head and tape transport

mechanism wil

become dirty and wear with

extended use. To ensure optimum recording

quality,

it is recommended that basic inspec-

tion and repairs be conducted after every

1,000 hours of

operat

ion

These include c lean-

ing

, lubricating,

and replacement of worn

parts.

When the Betamovie will not be used for a

long period of time

• Remove the

cassette.

If the cassette is left

in the

camera,

the tape may stick to the

head or other parts may be damaged.

• Operate the Betamovie for a few minutes at

least once

every six months,

using

zoom and focu

s rin

gs and other

functions.

This prevents deterioration of the Trin icon

tube and other internal parts through

d isuse.

For additional information on inspection,

head

changing,

and other maintenance

procedures, contact your nearest Sony

dealer or authorized Sony service facility.