Bnc 630 Instrukcja Użytkownika Pobierz pdf (Strona 36)

DTMF Detection Mode Parameters

The DTMF Detection mode has the following front panel display:

Figure 5.17-1: DTMF Detection mode display

1. DTMF Detected Digits

All detected digits appear on this line of the display. The display shows up to 40 detected digits.

When the 41st digit is detected, this line of the display is cleared and the new digit is printed on the left hand side.

All detected digits are sent to the terminal port. By connecting a computer to the terminal port, the 630 can be used as a DTMF

detection peripheral. See the example program in Appendix A.

2. RS232 Port

All DTMF detections are printed to the terminal port. When a DTMF digit is detected (the digit 6 is given here as an example), a

carriage return and a linefeed plus the following text is sent to the terminal:

DTMF: 6

DTMF detection on Ext Mod input:

1 2 3 # A 41

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 93 94

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Bnc 630 Instrukcja Użytkownika Strona 36