US Robotics USR5610B User Manual page 71

<control key>C or <control key>K
Stop help screens.
$
Use in conjunction with D, S, or & commands (or just AT) to display
a basic command list; online help.
A Manual Answer: Goes off hook in answer mode. Pressing any key
before connected aborts the operations.
A/
Re-executes the last issued command. Used mainly to re-dial. Does
not require the AT prefix or a Carriage Return.
A> Re-executes the last issued command continuously, until the user
intervenes or the command is executed forever. Does not require
the AT prefix or a Carriage Return.
+++ Escapes to online-command mode.
Aborts off-hook dial/answer operation and hangs up.
Any key
AT Required command prefix, except with A/, +++, and A>. Use alone
to test for OK result code.
Bn U.S./ITU-T answer sequence.
B0 ITU-T answer sequence
B1 U.S. answer tone
Dn Dials the specified phone number. Includes the following:
0-9 Numeric digits
#, * Extended touch-tone pad tones
L Dials the last dialed number.
P Pulse (rotary) dial
R Originates call using answer (reverse) frequencies.
Sn Dials the phone number string stored in NVRAM at position n (n
= 0*3). Phone numbers are stored with the &Zn=s command.
Basic Data Commands 65