6 Saving, Recalling, and Printing
212 InfiniiVision 7000B Series Oscilloscopes User’s Guide
• Grayscale — When Grayscale printing is selected, the traces are printed in
shades of gray rather than in color. Grayscale printing is not applicable
to CSV format.
Length Control
The Length softkey is available when the CSV, ASCII XY, BIN, or ALB
formats are selected. Length sets the number of data points that will be
output to the file. Length can be set to 100, 250, 500, or 1000 when the
acquisition is running, or more when the acquisition is stopped. (CSV
length is limited to 1000 points.) It is important to save enough points to
represent the captured data accurately. Press the [Single] key to obtain the
maximum record length.
The maximum available record length depends on whether one or two
channels are active (turned on) per channel pair (channel pairs are
channels 1 and 2 and channels 3 and 4), whether digital channels are on
or off, and the horizontal timebase setting (how much data is shown on
screen).
Only displayed data points are output (except when you are using
segmented memory and the Save Segment control is set to All segments).
Therefore, adjust the Horizontal controls to display the data you want to
save.
The length control has no effect on the amount of Serial Decode data
saved; all serial decode data will be output.
The Length control will perform a “1 of n” decimation of the data when
necessary. For example: if the Length is set to 1000, and you are displaying
a record that is 5000 data points in length, four of each five data points
will be decimated, creating an output file 1000 data points in length.
However, if serial decode is on, no decimation will occur.
For more information see “Minimum and Maximum Values in CSV
Files” on page 422.
Save Segment
When using the optional segmented memory feature you can choose to
save either the currently displayed segment or all acquired segments in
memory. (See also page 237.)
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