Keysight Technologies 3458A Guide D'utilisation page 343

SMATH
Store math. Places a number in a math register.
Syntax
SMATH [register][,number]
register
The registers that can be written to are:
register
parameter
DEGREE
LOWER
MAX
MEAN
MIN
NSAMP
OFFSET
PERC
REF
RES
SCALE
UPPER
HIRES
PFAILNUM
Default register = DEGREE.
Power-on register = see above listing.
Keysight 3458A User's Guide
Numeric
Register contents
query equiv.
1 Time constant for FILTER and RMS
2 Smallest reading in STATS
3 Upper limit for PFAIL operation
4 Average of readings in STATS
5 Lower limit for PFAIL
6 Number of samples in STATS
7 Subtrahend in NULL and SCALE operations
8 % value for PERC operation
9 Reference value for DB operation
10 Reference impedance for DBM operation
11 Divisor in the SCALE operation
13 Largest reading in STATS
14 Not used by any math operation
The number of readings that passed PFAIL before
15
a failure was encountered
Command Reference
Power-on
value
20
0
0
0
0
0
0
1
1
50
1
0
0
0
6
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