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Example
An example sequence of commands for calibrating a range (in this case, the 220 mV
range) is as follows:
CAL_TEMP 23.5
CAL_DC INPUT2, 200 mV
CAL_NEXT 200 mV
CAL_NEXT -200 mV
An error occurs if either the entered value is out of range or the measured input is out of
range.
CAL_DC?
Lists the steps of an interactive calibration procedure or a portion of a procedure as it
would run when requested by a CAL_DC command with the same parameters.
Parameters
1. INPUT1 or INPUT2 (The input to be used, signifies ac calibration), or WBND for Option
-03 Wideband gains calibration
2. (Optional) A number that defines the range amplitude (same as for the RANGE
command). If this parameter is included, list only the steps for the specified range; if not
included, list steps for all ranges.
Response
(IAD) A list in the following form:
<# of ranges><EOL>
<range 1 max>,<# of steps in range><EOL>
<1st step amplitude in volts>,<1st step frequency in Hz><EOL>
<last step amplitude>,<last step frequency><EOL>
<range 2 max> etc.
CAL_FPT
Corrects the reference given for an ac calibration step after the fact, and as a result
changes the calibration constant or constants determined in that step.
Parameters
1. A number signifying the range amplitude (as in the RANGE command)
2. The number of the step to correct (obtained using the CAL_FPT? command).
3. The updated reference value divided by what was given as the reference when the
calibration step was run. (1.0 means no change, more than 1.0 means the reference is
bigger than you said when you did the CAL_NEXT.)
Example
CAL_FPT?
(returns) 2.20000,0
CAL_NEXT?
(returns) 2.0E+0,1.00E+6
CAL_NEXT 2.0
CAL_FPT 2.2,0,1.00019
Alphabetical List of 5790A Device-Dependent Commands
6
Remote Commands
6-17
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