GSSI SIR 30, Manual

Page: 94 / 150

Geophysical Survey Systems, Inc. SIR® 30
Manual
MN 93-101 Rev E 88
Step 3: Select Processing Function(s)
1
In the example above, the data file selected is a single channel file. If the User selects the IIR filters,
the system will display the IIR filter parameters used during data collection. If the User selects the
Gain Mode, the gain parameters used to collect the data may be reviewed or changed.
Figure 131: Filters. Figure 132: Gain.
Note:
The Gain mode will always default to’ Manual’ in the data playback mode. In playback mode
the Auto Gain function cannot be enabled.
2
The User can evaluate changes to the filter or gain collection parameters for data playback. In Figure
133 below the IIR High Pass filters have been turned off. To evaluate the effect of these changes the
User should select Preview File. See Figure(s) 134 & 135 below.
Figure 133: IIR HP Filter On.