User`s manual

U.S. Robotics I-modem Command Reference
Displaying Help Screens • Page 13-4
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HELP, Ampersand Commands (CTRL-S to Stop, CTRL-C to Cancel)
&An n=0 Disable /ARQ Result Codes &Pn n=0 N.American Pulse Dial
n=1 Enable /ARQ Result Codes n=1 UK Pulse Dial
n=2 Enable /Modulation Codes &Rn n=0 CTS Follows RTS
n=3 Enable /Extra Result Codes n=1 Ignore RTS
&Bn n=0 Floating DTE Speed n=2 RX to DTE/RTS high
n=1 Fixed DTE Speed &Sn n=0 DSR Always On
n=2 DTE Speed Fixed When ARQ n=1 Modem Controls DSR
&Cn n=0 CD Always On n=2 Pulse DSR, CTS=CD
n=1 Modem Controls CD n=3 Pulse DSR
&Dn n=0 Ignore DTR n=4 DSR = DCD
n=1 Online Command Mode &Tn n=0 End Test
n=2 DTE Controls DTR n=1 Reserved (ALB)
&Fn n=0 Load Factory Configuration n=3 Digital Loopback (DLB)
n=1 Hardware Flow Control Cnfg. n=4 Grant Remote DLB
n=2 Software Flow Control Cnfg. n=5 Deny Remote DLB
&Gn n=0 No Guard Tone n=6 Remote Digital Loopback
n=1 550 Hz Guard Tone n=7 Remote DLB With Self Test
n=2 1800 Hz Guard Tone n=8 Reserved
&Hn n=0 Disable TX Flow Control &W Store Configuration
n=1 CTS &Xn n=0 DCE Synchronous Clock
n=2 Xon/Xoff n=1 DTE Synchronous Clock
n=3 CTS and Xon/Xoff n=2 RX Clock is Source
&In n=0 Disable RX Flow Control &Yn n=0 Destructive
n=1 Xon/Xoff n=1 Destructive/Expedited
n=2 Xon/Xoff Chars Filtered n=2 Nondest./Expedited