Dual-Tone Multi-Frequency (Dtmf) Decoder; The Dtmf Decoder Screen - HP 8920A User Manual

Dual-Tone Multi-Frequency (DTMF) Decoder

Figure 76

The DTMF Decoder Screen

AF Anl In
Arm Meas
The DTMF Sequence Decoder analyzes Dual-Tone Multi-Frequency tone
sequences and displays the associated parameters.
Audio frequency analyzer input selects the source of the signal to be analyzed.
Operating Considerations
This is a priority control field. Accessing the RX TEST or TX TEST screen
overrides any changes made to this field in this screen.
Arm measurement prepares the decoder to be triggered by an incoming signal
when making single measurements.
Chapter 8, Signaling Decoder Screen
Dual-Tone Multi-Frequency (DTMF) Decoder
dtmf-de2.wmf
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