User`s manual

U.S. Robotics I-modem Command Reference
Appendix A: Alphabetic Command Summary • Page A-5
R Reverse frequencies. Use this command when calling an originate-only
modem. It forces the
I-modem to dial out at the answer frequency.
L? Display the last-dialed number.
L Dial the last-dialed number.
Sn Dial the number stored in memory at position n, where n = 0*9. Store the
number in memory using the &Z command.
$ Display help for the dial commands.
En Command mode
echo. Enables or disables the display of your typed commands.
E0 Command mode echo OFF. Your typing will not appear on the screen.
E1 Command mode echo ON. Your typing will appear on the screen.
Notes If double characters appear on the screen, both the I-modem's local echo
and your software's local echo are on.