Optical Backscatter Reflectometer 4600 27
User Guide
Button
Description
Page
Allows the user to set the location of subsequent spot scans.
45
Locks the spot scan cursor onto the active cursor.
45
Saves the current graph as a .jpg image file.
57
The center button recalculates the data in the lower graph area
based on the data in the upper graph highlighted by the yellow (left)
or orange (right) vertical cursor. These buttons appear in the upper
left of the upper graph only when the vertical cursors are on in the
upper graph. Clicking the left button will automatically recalculate
the lower graph based on the yellow cursor in the upper graph if
Options > Display Options > Auto-Update Lower Graph is
checked. Otherwise, the user must click either the yellow or the
orange button and then hit the recalculate (center) button. The pull-
down menu to the left of these buttons shows which trace is being
displayed in the lower graph.
67
3
The Menu Bar
The menu bar contains additional commands for performing reference scans and for
setting various
measurement
and display options. Menu bar
commands
are organized
into five menus.
The File menu
• Load Data File loads a binary data file (of the type “.obr”) previ-
ously saved by the OBR. A dialog box appears allowing the user to
select the file.
• Save Data Files saves measurement data according to the selec-
tions in the File > Select File Options dialog box. (See “To save
data” on page 65 for more information.)
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