User`s manual

U.S. Robotics I-modem Command Reference
Appendix A: Alphabetic Command Summary • Page A-12
Z! Hardware reset (equivalent to powering off and then back on). If DIP Switch 1 is
ON (factory setting), revert to the settings in NVRAM. If DIP switch 1 is OFF,
reset to the &F0 conÞguration template (no ßow control).
Ampersand (&) Command Set
&$ Display help for the ampersand (&) command set.
&An Enable or disable the display of additional result code subsets. (Also, see the Xn
command.)
&A0 Do not display ARQ result codes.
&A1 Display ARQ result codes.
&A2 In addition to ARQ result codes, display HST, V.32, V.FC, V.34, or DIGI-
TAL modulation indicator.
&A3 In addition to ARQ and modulation indicators, display an error control
indicator (LAPM, HST, MNP, SYNC, V
.120, or NONE) and a data com-
pression type (V42bis or MNP5).