Optical Backscatter Reflectometer 4600 71
User Guide
The X-axis zoom tool:
This tool allows the user to zoom in on a region of the X-axis only, without adjusting
the Y-axis scale. This is the default tool active in each graph when the software is
opened.
To use this tool, first select it from the zoom menu button. Then click in the graph
window and hold the mouse button to define one edge of the desired X-axis region.
Drag the mouse cursor to the other edge of the desired region and note that a fixed
vertical dotted line appears where the original click occurred, and another follows
the mouse cursor. When the cursor is positioned at the other edge of the desired
region, release the mouse button. The X-axis scale adjusts to show only the selected
region.
The Y-axis zoom tool:
This tool allows the user to zoom in on a region of the Y-axis only, without adjusting
the X-axis scale.
To use this tool, first select it from the zoom menu button. Then click in the graph
window and hold the mouse button to define one edge of the desired Y-axis region.
Drag the mouse cursor to the other edge of the desired region, and note that a fixed
horizontal dotted line appears where the original click occurred, and another follows
the mouse cursor. When the cursor is positioned at the other edge of the desired
region, release the mouse button. The Y-axis scale adjusts to show only the selected
region.
The return to full zoom tool:
Selecting this button from the zoom menu returns the graph to the full scale of all
data.
The zoom in tool:
This tool allows the user to zoom in (magnify) the graph from the point where the
cursor is clicked.
To use this tool, first select it from the zoom menu button. Then click once to magnify
once; or click, hold and release to magnify several times at the cursor location.
The zoom out tool:
This tool allows the user to zoom out from the point where the cursor is clicked.
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