HP Data Explorer 4 Series - Manual (Page 41)

Setting Graphic Options
Data Explorer ™ Software User’s Guide 1-27
1
Setting data
cursors
To enable data cursors and set cursor labels and attributes:
1. Select Graphic Options from the Display menu.
2. In the Data Cursor section of the Graph Setup tab (see
Figure 1-4 on page 1-25), select Show Data Cursors,
then select one of the following cursors from the Type
drop-down list:
• X—Single vertical cursor
• Y—Single horizontal cursor
• X-Y—Vertical and horizontal cursors
• X-X—Two vertical cursors
• X-Y-X—Two vertical cursors and one horizontal cursor
NOTE: If data cursors are displayed, they are printed when
you print traces. To suppress data cursor printing, deselect
Show Data Cursors before printing.
To set the cursor mode, select the appropriate label type as
described below:
Label
Type
Options
Y Label • Absolute—Displays the number of counts.
• BP Relative—Displays the % Intensity value relative to the base
peak in the trace. Includes “BP%” marker on the cursor label.
• Display Relative—Displays the % Intensity value relative to the
largest peak in the current display range.
X-X
Label
• Absolute—Displays the Spectrum Number or Retention Time
(chromatogram) or the Mass (spectrum).
• X-Relative—Available if you have two X cursors displayed. For the
first cursor, displays the Spectrum Number or Retention Time
(chromatogram) or the Mass (spectrum). For the second cursor,
displays the appropriate value relative to the first cursor.
For example, if you place the first X cursor in a spectrum at 100 m/z
and the second X cursor at 80 m/z, the cursors are labeled
100 and –20.