Keysight Technologies 3458A Guide D'utilisation page 235

– The AC autocal performs specific enhancements for ACV or ACDCV (all
– The OHMS autocal performs specific enhancements for 2- or 4-wire ohms,
– Always disconnect any AC input signals before you perform an autocal. If you
– The autocal constants are stored in continuous memory (they remain intact
– The time required to perform each autocal routine is:
– Related commands: CAL, SCAL, SECURE
Example
OUTPUT 722;"ACAL ALL,
ACBAND
AC band wid th. Specifies the frequency content (bandwidth) of the input signal
for all AC or AC+DC measurements. Specifying the bandwidth allows the
multimeter to configure for the fastest possible measurements.
Syntax
ACBAND [low_frequency][,high_frequency]
low
Specifies the lowest expected frequency component of the input signal.
Power-on low_frequency = 20 Hz
Default low_frequency = 20 Hz
Keysight 3458A User's Guide
measurement methods), ACI or ACDCI, DSAC, DSDC, SSAC, SSDC, FREQ, and
PER measurements.
DCI, and ACI measurements.
leave an input signal connected to the multimeter, it may adversely affect the
autocal.
when power is removed). You do not necessarily need to perform autocal
simply because power has been cycled.
ALL:11 minutes
DCV:1 minute
AC:1 minute
OHMS:10 minutes
_ frequency
3458A
" !RUNS ALL AUTOCALS USING
!FACTORY SECURITY CODE
Command Reference 6
235