Toshiba A40 Series manual AT Commands, Appendix C, +++ Escape sequence, Repeat last command, ATXn

Appendix C

AT Commands

In most cases, you will not need to type AT commands manually. However, there might be some occasions when you will need to do so.

This chapter describes AT commands for data mode. Fax and voice commands are taken care of by application software.

The format for entering AT commands is:

ATXn

where X is the AT command, and n is the specific value for that command. After you type in the command press Enter.

Any command issued is acknowledged with a response in either text or numeric values known as result codes.

All commands and command-values accepted by the modem are described in this section; any entry other than those listed results in an error.

+++Escape sequence

	The escape sequence allows the modem to exit data mode and enter
	on-line command mode. While in on-line command mode, you can
	communicate directly to your modem using AT commands. Once you
	finish, you can return to data mode using the ATO command.
	A pause, the length of which is set by Escape Guard Time (S12), must
	be completed after an escape sequence is entered, This pause prevents
	the modem from interpreting the escape sequence as data.
	The value of the escape sequence character may be changed using
	register S2.
A/	Repeat last command
	This command repeats the last command string entered. Do not
	precede this command with an AT prefix or conclude it by pressing
	Enter.

PPENDIXA C

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