19
Chapter 5 Instructions of Command Sets
CALCulate Subsystem:
CALCulate:FUNCtion NULL
AVERage
PEAKhold [,< DC | AC | PERCent >]
DBM [,< DC | AC | ACDC >]
DBV [,< DC | AC | ACDC >]
NONE
CALCulate:FUNCtion?
CALCulate:NULL:OFFSet?
CALCulate:DBM:REFerence <numeric>
CALCulate:DBM:REFerence?
Description Set or off the function of the calculation.
Parameter NULL - Enables the relative value (REL) display function.
AVER - Recording function
PEAK - Peak-hold function
DBM -Set to decibel measuring.(dBm)
(Only 3801-50: AC+DC)
DBV -Set to decibel measuring.(dBV)
(Only 3801-50: AC+DC)
NONE- Disables calculation function settings.
Example
CALC:FUNC AVER
When AVERage or PEAKhold is selected, the trigger signal source changes
to IMMediate.
❖ 21p
The following calculation functions can be combined: AVER/NULL, PEAK/
NULL, NULL/AVER,DBx/AVER (/NULL), DBx/NULL (/AVER)
Description Query the function of the calculation.
Response Return <Literal> format string:
AVER, PEAK, NULL, DBM,
DBV or NONE.
Example Return of
AVER or NULL indicates that the recording and
relative value (REL) display functions are enabled.
Description Query the offset value of the relative value (REL) function.
Response Return <NR3> format string.
Description Set the reference impedance for the decibel (dBm) conversion
screen.
Parameter Value to be entered to <numeric> : 1-9999
Stored in non-volatile memory.
Description Query the decibel (dBm) conversion of the reference
impedance.
Response Return <NR3> format string.