HP 8712C, Руководство пользователя, Страница: 345 / 559

Automating Measurements
Displaying Measurement Results
X-axis annotation consists of one or two lines of information that appear
below the graticule.
By default, the X-axis annotation displays the stimulus frequencies (default
resolution is
or powers if in power sweep. It can be, however,
customized using SCPI commands to show your own start and stop x-axis
values and units. For example, when measuring mixers which introduce a
frequency offset, you can annotate the frequencies at the output of the mixer.
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‘lb turn on X-axis annotation, use the command:
For example:
DISPlay:ANNotation:FREQuencyl:USER ON
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specify your start and stop values, use:
The value must be between -10,000 and 10,000. For example:
DISPlay:ANNotation:FREQuencyl:USER:STAR -100
DISPlay:ANNotation:FREQuencyl:USER:STOP
specify a custom suffix, use:
<STRING>
for example:
DISPlay:ANNotation:FREQuencyl:USER:SUFFix
The suffix can be up to 3 characters long.
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turn the X-axis (frequency) annotation on or off, press
Options ON , or use
these SCPI commands:
7-66
ON