Redstone™ Optical Spectrum Analyzer Chapter 8: Operation
Page 21 STN053070-D02
• Only analysis tools and math tools applicable to spectra are enabled
• Interferograms are still acquired in the background but will not be displayed until Interferogram view is
selected
8.2.2. Interferogram View
In Interferogram view,
• Only interferograms are shown
• Only analysis tools and math tools applicable to interferograms are enabled
• Spectra are still acquired in the background but will not be displayed until Spectum view is selected
• Interferogram view is unavailable when operating in Basic level
To switch between the views, use the quick-switch button found in the Settings bar, or use the short-cut Ctrl+D.
8.3. Customizing the Display
8.3.1. Zooming and Scrolling the Horizontal Axis
When first acquiring a spectrum or interferogram, the display is set to show the entire spectrum/interferogram.
The data display can be zoomed in or out horizontally by:
• Scrolling the mouse wheel (hold down the Ctrl button for extra speed)
• Pressing Ctrl and “+” or “-” on the keyboard
• Changing the width of the slide bar displayed below the horizontal axis
The data display can be scrolled horizontally by:
• Dragging the data display area with the left mouse button pressed
• Simultaneously pressing Ctrl and the left or right arrow button on the keyboard
• Sliding the slide bar displayed below the horizontal axis
The horizontal display range can be set more precisely by typing in a desired minimum and maximum value in
the two text boxes found under the Display menu. The horizontal display range can also be set by clicking on
the horizontal axis itself, which will bring up a dialog box (see Figure 15) in which the minimum and maximum
values and division, or alternatively the center value and span, can be set.
Note that the displayed horizontal range can be locked by checking the “Lock Axis” option in the dialog box
displayed below. A locked axis cannot be dragged or zoomed using the mouse or keyboard in order to prevent
an accidental change of the data display range.
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