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S:\HP892XX\USRGUIDE\manual\decoscrn.fb
Chapter 8, Signaling Decoder Screen
Dual-Tone Multi-Frequency (DTMF) Decoder
Gate Time
This field specifies how long the decoder analyzes a signal after it has been
triggered.
Hi Tone
This for the high frequency tone in each tone pair. The measurement type is
selected by selecting the
Freq field to display a list of measurement choices.
Operating Considerations
Frequency error is calculated by comparing the DTMF Encoder’s frequency
settings for each tone pair with the decoded frequencies.
See Also
"Using the DTMF Decoder" on page 294
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