Page 220
ATS25 DTR Loss Detection
S Register 25 determines the time, in hundredths of a second, the DTR (Data Terminal Ready)
signal must remain low before the modem will recognise a loss of DTR.
Examples
ATS25=8 DTR must remain low for 0.08 seconds before the modem will recognise loss
of DTR
Default
5
See Also
&D DTR mode
Range
0-255