User`s manual

U.S. Robotics I-modem Command Reference
Displaying Help Screens • Page 13-3
Fn n=0 Online Echo Sr=n Sets Register "r" to "n"
n=1 No Online Echo Sr? Query Register "r"
Hn n=0 On Hook (Hang Up) S$ HELP, S Registers
n=1 Off Hook T Tone Dial
In n=0 Product Code Vn n=0 Numeric Responses
n=1 Checksum n=1 Verbal Responses
n=2 RAM
Test Xn n=0 Basic Result Codes
n=3 Modem Identification n=1 Extended Result Codes
n=4 Current Settings n=2-7 Advanced Result Codes
n=5 NVRAM Settings Z Software Reset
n=6 Link Diagnostics Z! Hardware Reset
n=7 Product Configuration +++ Escape Code
n=10 Dial Security Status $ HELP, Command Summary
n=11 V.FC Link Screen
n=12 ISDN Configuration
OK
Figure 13-1. Basic Commands Help Screen (AT$)
Ampersand Command Set (&$)
When you send AT&$, the I-modem displays a screen that shows a partial summary of the
ampersand command set. A second screen, which is activated when you press any key,
shows the remaining commands. (See Figure 13-2.)