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Chapter 1, Description of Keys
Keys
To Query the High and Low Measurement Limit Settings. Use the
: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 AF Analyzer FM
deviation measurement.
NOTE: When querying measurement limits through GPIB, the Test Set always returns numeric values
in attribute units, regardless of the current display units or GPIB units settings. Numeric values
are expressed in scientific notation.
Refer to “To Specify Units-of-Measure for GPIB Data Transfer” in
the Operating Overview
chapter of the E8285A User’s Guide.
To Detect If a Measurement Limit Has Been Exceeded.
Use the
: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
OUTPUT 714;"MEAS:AFR:FM:HLIM:EXC?"
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
This determines if the high or low measurement limits for the AF Analyzer FM de-
viation measurement have been exceeded.