Command Descriptions
2–84
TDS Family Oscilloscope Programmer Manual
CURSor
:
VBArs :
UNIts
?
LINE
HERtz
<Space>
INVert
SECOnds
BASe
SEConds specifies seconds as the unit of measure. For the TDS 4XXA, this
argument is available only for backward compatibility. If a TDS 4XXA receives
this argument, it will convert it to BASE or INVERT depending on the selected
waveform. The TDS 4XXA will not output this argument in response to a query.
HERtz specifies hertz as the unit of measure. For the TDS 4XXA, this argument
is available only for backward compatibility. If a TDS 4XXA receives this
argument, it will convert it to BASE or INVERT depending on the selected
waveform. The TDS 4XXA will not output this argument in response to a query.
LINE specifies a video line as the unit of measure. This is most useful if you
have option 05 video trigger installed. On some models, if you do not have
option 05, use of this argument will generate an error message. On the TDS
4XXA, if you do not have option 05, the TDS 4XXA will use the NTSC
standard for converting from time to lines. In order for the measurement to be
accurate in the TDS 4XXA when TRIGGER:MAIN:VIDEO:SYSTEM is set to
custom, you must set TRIGGER:MAIN:VIDEO:SCANPERIOD.
BASe (TDS 4XXA only) specifies the base (or natural) units of the waveform as
the unit of measurement. If internal clock is enabled, the base units are seconds.
If external clock is enabled, the base units are clocks.
INVert (TDS 4XXA only) specifies 1/ base (or natural) units of the waveform as
the unit of measurement. If internal clock is enabled, the base units are 1/seconds
(hertz). If external clock is enabled, the base units are 1/clocks.
CURSOR:VBARS:UNITS SECONDS
sets the units for the vertical bar cursors to seconds.
CURSOR:VBARS:UNITS?
returns HERTZ when the vertical bar cursor units are hertz.
Arguments
Examples
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