Specifications

V.3229 / V.3229L <C#>-5
5
Asynchronous Operating Commands
As commands are typed they appear on the monitor
so the operator can verify the input. This is called
local character echo. The echo may be turned on or
off using AT commands. Refer to Local Character
Echo in the General Commands section of this chap-
ter for details.
Command Buffer
The modem temporarily stores up to 40 characters in
the command buffer. If this limit is exceeded, the
modem does not accept the command and sends an
ERROR message. To correct this condition, retype
the command using 40 characters or less.
The AT characters and punctuation used in telephone
numbers do not take up space in the buffer. Also,
blank characters used as spaces to help increase
readability are not counted. For example, the modem
reads the commands
ATD [phone]
ATD2125551212
ATD 212 555 1212
as having 11 characters each. Commands can be
typed in any of these forms.
Backspace Key
Use the backspace key to change the command state-
ment or correct errors. The backspace key allows the
cursor to be moved back to the character(s) in error.
The command can then be retyped from that point.
Example: ATD5551211 has been typed. To change
the last 1 to 2, press the backspace key once, type 2,
and press return to execute the command.
Repeating a
Command
A/