Commands Listed in Alphabetical Order
Syntax
CH<x>:POSitio
n <NR3>
CH<x>:POSition?
Related Commands
CH<x>:OFFSet
Arguments
<NR3> is the position value in divisions from the center graticule. The range is
±5 divisions for channels and ±1000 divisions f or math and reference waveforms.
Examples
CH2:POSITION 1.3E+00 positions the Channel 2 input signal 1.3 divisions
above the center graticule.
CH1:POSITION? might return CH1:POSITION -2.000000000000, indicating
that the current position of Channel 1 is 2 divisions below the center graticule.
CH<x>:SCAle
This command s ets or queries the vertic al scale o f the channel specified by x,
which can be 1 through 8. Sending this command is the equivalent to setting a
value in the Scale control in the Setup section of the Vertical Setup dialog box
or adjusting the front-panel Vertical SCALE knob.
Channel scale, expressed as the per division setting, adjusts the display size for the
selected channel. Similar to the scale control for reference and math waveforms,
this control p rovides graphical scaling only; the control has no effect on the input
vertical acquisition hardware. Increasing the scale causes the waveform to be
displayed smaller. Decreasing the scale causes the waveform to be displayed
larger.
The range and resolution of scale values for a given channel is dependent on
multiple factors: the sampling module type (specifically, its input dynamic range),
the probe type (if attached), the external attenuation factor, and the selected units
(if TDR is active).
For more information on how scale ranges are determined, refer to the topic
Vertical Scale in the online help for your instrument.
Channel scale changes have an effect on the allowable offset range for the
channel. In general, as the vertical scale value is reduced, the amount of allowable
offset inc reases.
For more information on how scale affects offset range, r efer to the topic Vertical
Offset in the online help for your instrument.
Group
Vertical
DSA/CSA/TDS8X00/B Series Programmer Manual 2-87
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