Sharp R-309B Instruções de Operação descarregar pdf (Página 19)

3.4.4

IF.Signal

Generation

Place

the

function

switch

in

the

a.

r.

F.

position.

NOTE

On

earlier

models

of

the

CE-7

the

IF

position

ON

switch

is

part

of

the

r.

F.

GENERATOR

LEVEL

control.

If

the

instrument

has

an

1

0

F 0

position

on

the

function

switch,

place

the

switch

in

that

position

rather

than

in

FREQ.

-

DEV

.

MEASURE.

b.

Set

the

SELECTOR

switch

to

the

desired

IF

frequency

listed

on

the

Channel

Frequency

Chart.

c.

The

IF

signal

output

is

available

at

the

r.

F.

GENERATOR

OUTPUT

connector

and

the

output

level

may

be

adjusted

by

the

I. r.

GENERATOR

LEVEL

control.

3.4.5

Installation

and

Removal

of

IF·Oscillators

The

IF-Oscillator

boards

0104

and

0105

are

pin

mounted

on

the

Multi-Oscillator

board

0103

inside

the

left-

hand

side

of

the

CE-7.

See

Figure

3-1.

When

an

IF-

crystal

frequency

is

added,

deleted,

or

changed

to a

different

position,

the

fol-

lowing

procedure

for

removing

and

instal-

ling

an

IF

Oscillator

board

should

be

used:

a.

Turn

the

VOLUME

POWER

OFF

control

to

the

OFF

position.

b.

Remove

the

left-hand

L-shaped

cover

(six

screws).

c.

Carefully

remove

the

IF-Oscillator

board

from

the

Multi-Oscillator

board,

When

inserting

an

IF-

Osci

ll

ato

r

board

ensure

that

the

guide

pins

on

the

Multi-Oscillator

board

are

aligned

with

the

sleeves

on

the

IF-Oscillator

board.

d.

Log

any

additions,

deletions,

or

changes

in

crv

stal

frequency

po

si-

tron

on

the

Channel

Frequency

Chart.

e.

Replace

the

Le

shaued

cover

and

secure

with

the

six

screws.

Figure

3·1.

Installation-Removal,

IF·Oscillator

Boards

3-7

5601"0015

001

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 95 96

Comentários a estes Manuais

Sem comentários