HP FAX-750 Service Manual - Page 140

Selectors 1 through 5 are applicable to those models equipped with a built-in TAD.

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Selector No. 1 | 3 4 5 6 7 8 WSW34 (Function setting 12) Function Setting and Specifications 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 No. of CNG cycles to be detected (when the line is connected via the external telephone in the external TAD mode or via the facsimile equipment in F/T or TAD mode) Number of DTMF tone signals for inhibiting the detection of CNG during external TAD operation Not used. No. 1 2 3 000 001 010 011 100 101 110 111 No. 4 5 00: 01: 10: 11: No. 6 7 00: 01: 10: 11: : 0 sec. : 1 sec. : 2 sec. : 3 sec. : 4 sec. : 5 sec. : 6 sec. : 7 sec. 0.5 (A) 1 (B) 1.5 (C) 2 (D) 3 2 1 OFF NOTE: Selectors 1 through 5 are applicable to those models equipped with a built-in TAD. l 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. l 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. l 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

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V
- 47
WSW34
(Function setting 12
)
Selector
No.
Function
Setting and Specifications
1
|
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
No. 1
2
3
0
0
0
:
0 sec.
0
0
1
:
1 sec.
0
1
0
:
2 sec.
0
1
1
:
3 sec.
1
0
0
:
4 sec.
1
0
1
:
5 sec.
1
1
0
:
6 sec.
1
1
1
:
7 sec.
4
5
No. of CNG cycles to be detected
(when the line is connected via the
external telephone in the external
TAD mode or via the facsimile
equipment in F/T or TAD mode)
No. 4
5
0
0
:
0.5
(A)
0
1
:
1
(B)
1
0
:
1.5
(C)
1
1
:
2
(D)
6
7
Number of DTMF tone signals for
inhibiting the detection of CNG
during external TAD operation
No. 6
7
0
0
:
3
0
1
:
2
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.