Basic Modem Operation 15
n=3 views factory settings
AT&Wn
Stores the current settings in user profile ‘n’; n=0 to 1
ATZn
Resets the current settings with the settings in profile ‘n’, n=0 to 1
Resets the current settings with the factory settings, n=2
Default Modem Settings for PC’s
The Comet factory settings are configured for operation with PC type computers and
communications software. In most cases, no additional settings will be required. The
following are some of the default settings that are used for operation with PC computers
and software:
AT Command
Description
E1
Echoes command characters
&C1
Carrier detect follows remote carrier
&D2
Modem disconnects on DTR on-to-off transition
&K4
Use both V.42 and MNP 4 error correction, and use both
V.42bis and MNP 5 data compression
&N0
Modem negotiates highest possible connection speed