Brother International FAX 275 Service Manual - Page 121

WSW34

(Function

setting

12)

Selector

No.

Function

Setting

and

Specifications

No.

1

2

3

0

0

0

:

0

sec.

1

Erasing

time

length

of

ICM

tone

0

0

1

:

1

sec.

recorded

preceding

the

tone

0

1

0

:

2

sec.

I

detection

starting

point

in

the

case

0

1

1

:

3

sec.

3

of

automatic

line

disconnection

due

to

no

voice

signal

received

1

1

0

0

0

1

:

:

4

sec.

5

sec.

1

1

0

:

6

sec.

1

1

1

:

7

sec.

No.

of

CNG

cycles

to

be

detected

No.

4

5

4

(when

the

line

is

connected

via

the

0

0

:

0.5

(A)

external

telephone

in

the

external

0

1

:

1

(B)

5

TAD

mode

or

via

the

facsimile

1

0

:

1.5

(C)

equipment

in

F/T

or

TAD

mode)

1

1

:

2

(D)

No.

6

7

6

Number

of

DTMF

tone

signals

for

0

0

:

3

inhibiting

the

detection

of

CNG

0

1

:

2

7

during

external

TAD

operation

1

0

:

1

1

1

:

OFF

8

Not

used.

NOTE:

Selectors

1

through

5

are

applicable

to

those

models

equipped

with

a

built-in

TAD.

•

Selectors

1

through

3:

Erasing

time

length

of

ICM

tone

recorded

preceding

the

tone

detection

starting

point

in

the

case

of

automatic

line

disconnection

due

to

no

voice

signal

received

If

the

equipment

has

disconnected

the

line

after

detection

of

disconnection

tone

in

ICM

recording,

it

erases

tone

recorded

preceding

the

tone

detection

starting

point

for

the

time

length

set

by

these

selectors.

•

Selectors

4

and

5:

No.

of

CNG

cycles

to

be

detected

The

equipment

interprets

a

CNG

as

an

effective

signal

if

it

detects

a

CNG

signal

by

the

number

of

cycles

specified

by

these

selectors

in

any

of

the

following

cases:

•

when

the

line

is

connected

via

the

external

telephone

in

the

external

TAD

mode.

•

when

the

line

is

connected

via

the

facsimile

equipment

in

F/T

or

TAD

mode.

•

Selectors

6

and

7:

Number

of

DTMF

tone

signals

for

inhibiting

the

detection

of

CNG

during

external

TAD

operation

If

the

equipment

receives

this

specified

number

of

DTMF

tone

signals

during

external

TAD

operation,

it

will

not

detect

CNG

afterwards.

If

these

selectors

are

set

to

"1,

1,"

the

CNG

detection

will

not

be

inhibited.

V

-

47

Brother International FAX 275 Service Manual - Page 121

inhibiting

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