> DB> Going by the standard AT command set, ATF1 would turn on- line echo
 > DB> off (full duplex mode) while ATF0 should enable on line echo --
 >One thing that I have discovered ... when you own a Logicode internal
 >33.6 modem, there is no such thing as a "standard AT command set"!  If
 >as you say above, ATF1 turns on "line echo", you would think that there
 >should be a way to turn it off, except for ATZ.  As I mentioned earlier,
Bob,
       The Fn commands are modem specific...  for example.. on
       one of my old Zoom modems... F0 does nothing, while F1
       does... (just like yours)... but on a newer Zoom modem
       the Fn commands set the desired DCE rate (bps)...
       One usually things of the "standard AT command set" as those
       commands that are universal with all modems... ie..
       ATDT, ATZ, &C1, &C2, &D1, etc..etc..
Dave P.
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