TDS5000B Online Programmer Guide
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REF<x>:VERTical:SCAle
Description
This command sets or queries the vertical scale of a reference wave-
form. The reference waveform is specified by x. The value of x can
range from 1 through 4 for four --channel instruments or 1 through 2 for
two--channel instruments. This command is equivalent to selecting Ref-
erence Waveforms from the File menu, choosing Reference Setup…
from the drop--down list, selecting a reference waveform, and then en-
tering the Scale value using the multipurpose knob.
Each waveform has a vertical scale parameter. For a signal with
constant amplitude, increasing the Scale causes the waveform to be
displayed smaller. Decreasing the scale causes the waveform to be dis-
played larger.
Scale affects all waveforms, but affects reference and math waveforms
differently from channel waveforms:
H For reference and math waveforms, this setting controls the display
only, graphically scaling these waveforms and having no affect on
the acquisition hardware.
H For channel waveforms, this setting controls the vertical size of the
acquisition window as well as the display scale. The range and
resolution of scale values depends on the probe attached and any
other external factors you have specified.
Group
Vertical
Related Commands
CH<x>:SCAle, MATH<x>:VERTical:SCAle
Syntax 1
REF<x>:VERTical:SCAle <NR3>
Syntax 2
REF<x>:VERTical:SCAle?
Argument
H <NR3>
This is the gain in user units per division.
Example 1
REF4:VERTical:SCAle 100E-03
This command sets the Reference 4 scale to 100 mV per division.
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