Ampex 600 - Playing Back

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10

MONITORING

VISUAL

AND

AUDIBLE

MONITORING

• The

ver

ifica

ti

on

of

the

qual

ity,

accuracy

and

completeness

of a

record

-

ing while it

is

be

ing

made

or

be

ing

played

back

, is

generally

referred

to

as

monitoring.

•

Vis

u

al

monitoring

is

accomplished

by

reading

the

VU

METER

(2)

. The

needle

swing on

the

meter

is a

quanti

t

at

ive

measure

of the signal, from

either, INPUT

or

TAPE

,

depending

on position of the MONITOR

SE-

LECTOR

(12)

. This

same

signal will

be

heard

at

PHONES

(16)

or

at

the

OUTPUT

connector

.

• Audible monitoring

is

accompl

i

shed

with

headphones

plugged

into

the

PHONES

connector

(16)

. Use

any

high

impedance

headphones

.

THE

"MONITOR

SELECTOR"

• The

program

can

be

moni

tored

as

it

goes

on

the

tape

,

or

at

an

instant

l

ater

when

it

comes

off

the

tape

,

depending

on

the

position

af

the

MONITOR

SELECTOR

(12)

.

• If

(1

2)

is

set

to

"INPUT

,"

the

headphones

and

meter

report

the

signals

as

they

go

on the

tape

.

• If

(12)

is

set

to "

TAPE

,"

the

headphones

and

meter

report

the

signals

as

they

come

off

the

tape

.

•

By

turning

the

MONITOR

SELECTOR

(12) from INPUT

to

TAPE

,

and

back

again

, a quick

comparison

may

be

made

of

the

incoming

program

and

the

program

r

ecorded

on the t

ape

.

PLAYING BACK

THE

"OUTPUT" CONNECTOR

1171

• The

output

of

the

recorder

may

be

fed

to

the input of

any

amplifier-

speaker

combination

whose

impedance

is

10,000 ohms

or

higher,

or

to

the

appropriate

input

of

another

tape

recorder.

• To

connect

the

output

of the

recorder

to a low

impedance

line, use a

suitable

matching

transformer

such

as

UTC

Type

HA

-133.

• A matching

output

connector

is

supplied

. Attach

it

to

an

appropriate

length of

shielded

cable

as

shown.

CENTER CONDUCTOR

-========3r,iiii;;~

- TO AMPLIFIER

TO PLAY BACK

1 Set MONITOR

SELECTOR

(12)

to

"

TAPE

."

CAUTION

If

the

MONITOR

SELECTOR

(121 is

left

al

" INPUT

,"

no

playback

will

be

heard

2 Turn

PLAY

-RECORD switch

(21)

to

"'

PLAY

."

TAPE

IS

NOW

PLAYING BACK AT

THE

LEVEL

PREVIOUSLY

RECORDED

ON

THE

TAPE.

3 Adjust

playback

volume by

us

ing

the

volume control

on

the

ampl

ifier

or

other

sound

system

being

used.

11

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