GSSI SIR 4000, Руководство пользователя

Страница: 96 / 163

Geophysical Survey Systems, Inc. SIR® 4000
Manual
MN72-433 Rev F 90
Gain
This Gain option is also referred to as display
gain. It increases the amplitude of your data
by multiplying every sample throughout your
scan by a constant value. The result is that
you will be able to better see weaker
reflections, but those already strong
reflections may be over-gained. This function
is useful for a quick viewing of data that is
attenuated or otherwise under-gained to
guarantee that it was not clipped.
•
You can change Gain from -12 to 60,
with negative values weakening the
entire signal and positive values
strengthening the signal by the value
shown.
Fence X and Y
Profiles that were collected in either the X or
Y direction or both can be viewed during
Playback.
•
Press this soft key to select which
profiles to display.
•
Once Fence X or Y is selected use
the Control Knob to view different
profilers.
•
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.