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Chapter 1 Data Explorer™ Basics
1-28 Applied Biosystems
1
Setting traces in
Line or Vertical
Bar mode
You can change the trace display from Line to Vertical Bars.
Each vertical bar represents one data point.
Vertical bar mode is useful when setting peak detection
parameters to determine the number of points across a peak.
Setting graphic
compression
NOTE: Graphic Compression mode is not saved as part of
graphic settings. When you close a data file, it is
automatically reset to the default Local Max setting.
By default, all data is compressed when it is displayed on your
computer screen. The degree of compression is determined
by the number of data points in the data file and the resolution
setting of your computer monitor.
For example, assume that a data file contains 10,000 data
points and needs compression to 1,000 data points to fit on
your computer screen. Every 10 data points will be
compressed into a single data point.
To set graphic compression settings:
1. Select Graphic Options from the Display menu.
2. In the Graph Setup tab of the Graph and Plot Options
dialog box (see Figure 1-4 on page 1-25), select a
Graphic Compression mode:
• Local Max (default)—Uses the maximum data
point within the range of data points being
compressed (range of 10 in the example above).
• Average—Uses the average of the data points
within the range of data points being compressed
(range of 10 in the example above).
• Sum (Binning)—Uses the sum of the data points
within the range of data points being compressed
(range of 10 in the example above).
NOTE: Changing the graphic compression mode may
alter the displayed intensities of peaks in a trace.