HP 8921A Programmer's Manual page 192

Equivalent Front-Panel Key Commands
NOTE:
192
To Query the High and Low Measurement Limit Settings.
:HLIMit:VALue? and :LLIMit:VALue? commands to query the high and low
measurement limit settings.
Syntax
:HLIMit:VALue?
:LLIMit:VALue?
Example
OUTPUT 714;"MEAS:AFR:FM:HLIM:VAL?"
ENTER 714;High_limit
OUTPUT 714;"MEAS:AFR:FM:LLIM:VAL?"
ENTER 714;Low_limit
This queries the high and low measurement limits for the Audio
Frequency Analyzer FM Deviation measurement.
When querying measurement limits through HP-IB, the Test Set always returns
numeric values in Attribute Units, regardless of the current Display Units or
HP-IB Units settings. Numeric values are expressed in scientific notation. Refer
to "Attribute Units (AUNits)" on page
To Detect If a Measurement Limit Has Been Exceeded.
:HLIMit:EXCeeded? and :LLIMit:EXCeeded? commands to detect if a
measurement limit has been exceeded. The returned value is either: 0 (NO) or 1
(YES).
Syntax
:HLIMit:EXCeeded?
:LLIMit:EXCeeded?
Example
ENTER 714;Hi_limit_exced ! 1= YES, 0 = NO
OUTPUT 714;"MEAS:AFR:FM:LLIM:EXC?"
ENTER 714;Lo_limit_exced ! 1= YES, 0 = NO
OUTPUT 714;"MEAS:AFR:FM:HLIM:EXC?"
This determines if the high or low measurement limits for the Audio
Frequency Analyzer FM Deviation measurement have been exceeded.
Use the
83.
Use the