Modem Command Guidelines
Repeating a Command
To repeat the last command line issued, enter the
When repeating the
the
AT
prefix and
AT
The last command entered remains in the command buffer until
the modem is reset or power to the modem is turned off. Both
actions clear the buffer. The
buffer is clear.
Omitting a Parameter in a Command Line
If you enter a command that normally includes a numeric
parameter, such as
the missing parameter is assumed to be the default parameter.
For example, the
parameter of zero (
If neither parameter is entered,
of
ATH0
This rule does not apply to the
Setting the Result Code Format
A result code is the response of the modem to a command. It may
be issued in either of two formats: words (the long form, also
known as verbose) or numeric characters (the short form,
represented by digits).
The result code format is set using the
■
Use
■
Use
4
A/
prefix or press
function.
enter
ATHn,
(hang-up) command can have a numeric
Hn
H0
plus
enter.
for words (default).
V1
for numeric characters.
V0
command, it is not necessary to enter
because the
enter,
command is invalid while the
A/
without entering the numeric parameter,
), which is the default, or of one (
plus
ATH
(dial) command.
D
command.
A/
command repeats the
A/
is the equivalent
enter
command:
Vn
Modem Command Guidelines
).
H1