Geophysical Survey Systems, Inc.
SIR® 4000
Manual
MN72-433 Rev F
125
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If data were collected in both the X and Y directions, you can view profiles at the same time in
both directions. This can help pinpoint the location of a reflection.
Scan Cursor and H Cursor
Selecting Scan Cursor allows you to place a Horizontal line on the currently selected profile and adjust
the vertical location of that line. This can be used to acquire more accurate depth information.
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Press Scan Cursor until it shows H Cursor. Use the Control Knob to adjust the vertical location of
the time slice data. The location of the H Cursor is shown as the Slice Depth on the display and
the thickness can be adjusted under the Output Menu. You can also change the thickness of the
time slice through the Output Menu. The yellow line corresponds to the H Cursor position, and
the green lines show the upper and lower boundaries of the slice thickness.
Rotate
You can adjust the rotation of the 3D grid using either a soft key or from the Output Menu. To adjust
simply press the Rotate soft key and use the Control Knob of rotate the grid on a 360º axis.
Output
This control button opens a menu with options for modifying the data display during playback. These
Output options are identical to those in Digital 3D Collection Mode (see above).
Summary of Contents for SIR 4000
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