7 marker subsystem, Marker:position:percent, Marker:position:power – Boonton 4540 Peak Power Meter User Manual User Manual
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Boonton 4540 Series RF Power Meter
Remote Operation
5-32
5.6.7 MARKer Subsystem
The MARKer group of commands is used to configure and locate measurement markers (cursors) at specific points on the
processed measurement waveform. FETCH? or READ? queries may then be used to retrieve measurements at the two
markers and in the interval between them. Markers are used in Pulse Mode to perform measurements at or between two time
offsets relative to the trigger, and in Statistical Mode to measure the power at a particular statistical percent, or the percent at
a specified power level. In Pulse Mode, the markers can only be placed on the visible portion of the trace (as defined by the
timebase and trigger delay settings), while Statistical Mode markers may be placed at any power or percent value and will
still return readings.
MARKer:POSItion:PERcent
Description:
Set or return the percent probability (y-axis-position) of the CCDF cursor. Changing
this setting will force the CCDF cursor mode to Percent for display purposes.
READ:MARKer:CURsor:POWer? and FETCh:MARKer:CURsor:POWer? commands are
referenced to this value.
Syntax:
MARKer:POSItion:PERcent? <numeric_value>
Argument:
<numeric_value> = 0.000 to 100.000 %
Valid Modes:
Statistical Modes only.
MARKer:POSItion:POWer
Description:
Set or return the cumulative relative power (x-axis-position) of the CCDF cursor in dBr.
Changing this setting will force the CCDF cursor mode to Power Ref for display purposes.
READ:MARKer:CURsor:PERcent? and FETCh:MARKer:CURsor:PERcent? commands are
referenced to this value.
Syntax:
MARKer:POSItion:POWer? <numeric_value>
Argument:
<numeric_value> = -100.000 to 100.000 dBr
Valid Modes:
Statistical Modes only.
MARKer:POSItion:PIXel
Description:
Set or return the horizontal pixel position (X-axis-position) of the selected vertical marker. There
are 501 pixel positions numbered from 0 to 500 inclusive.
Syntax:
MARKer[1|2]:POSItion:PIXel <numeric_value>
Argument:
<numeric_value> = 0 to 500 inclusive
Valid Modes:
All