User's Guide

8400B Plus Data Module User’s Guide 555-020-709
Issue 2
November 1996
AT Command Set
A-16
Command: S
Function: Read from, or write to, an S-register.
Type: immediate
Arguments: The S command accepts one of three arguments as
follows:
mm — This argument, following the S command,
establishes S-register
mm as the last S-register
accessed.
mm = nnn — This argument, following the S command,
sets S-register
mm to the value specified by the number
nnn . The mm may be omitted, in which case the last
S-register accessed will be assumed. If the
mm is
omitted, then the S may also be omitted.
mm ? — This argument, following the S command,
returns the decimal value of S-register
mm . The mm
may be omitted, in which case the last S-register
accessed will be assumed. If the
mm is omitted, then
the S may also be omitted.
S-Register: all
Table A-1. Accepted AT Command Labels
Label Description
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