R&S ESCI Calibration
1166.6004.12 4.117 E-1
Recording the Correction Data of R&S ESCI – CAL Key
The R&S ESCI obtains its high measurement accuracy through its inbuitl self-alignment method.
The correction data and characteristics required for the alignment are determined by comparison of the
results at different settings with the known characteristics of the high-precision calibration signal source
of R&S ESCI at 128 MHz. The correction data are then available in the instrument as a file and can be
displayed by means of the CAL RESULTS softkey.
For service purposes the use of correction data can be deactivated by means of the CAL CORR
ON/OFF softkey. If the correction data recording is aborted, the last complete correction data set is
restored.
Note: The term "Calibration" formerly used for the integrated self alignment was often mistaken
for the "true" calibration of the instrument at the test set in production and in service. It is
therefore no longer used although it appears in the abbreviated form in the name of keys
("CAL...").
CAL menu:
CAL TOTAL
CAL
RESULTS
CAL CORR
ON OFF
SETUP
CAL
CAL ABORT
PAGE UP
PAGE DOWN
The CAL key opens a menu with the available functions for
recording, displaying and activating the data for self
alignment.
CAL
TOTAL
The CAL TOTAL softkey starts the recording of correction data of the
instrument.
If the correction data recording has failed or if the correction values are
deactivated (CAL CORR = OFF softkey), the status field indicates
UNCAL
.
IEC/IEEE-bus command: *CAL?
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