DTMF decoding is available on lines 1 and 2. Select the DTMF Decoder tab then select the desired line.

Received DTMF tones will be decoded and displayed in the DTMF Decoder window. DTMF strings are broken into multiple lines when a pause occurs.

Press the Clear DTMF data button or change lines to clear the data window.

The ADM2400 decodes sixteen standard DTMF digits 1-9, #, *, and A-D. The table to the left shows the tones for each of the DTMF digits.