User Manual

Geophysical Survey Systems, Inc. Model 4108F Antenna
System Settings and User’s Notes
MN34-550 Rev A
6
Figure 4. The red trigger on the Model 10F handle must be pressed at all times during project
setup and data collection using a horn antenna.
8. The position of the signal may be shifted and the data collection settings may be slightly
different than those currently recommended. Change the signal position if necessary so that it
is similar to the signal position shown in Figure 1.
• Compare all of the settings listed in Table 1 to those on the SIR-20 and make any
necessary adjustments prior to collecting data.
• Also check the gain of the signal to make sure it is not clipping. Save any changes made
to the signal position and signal gain to a new macro prior to collecting data.
The red transmit
trigger on the Model
10F cable must be
pressed at all times
during project setup
and data collection