User's Manual

Table of Contents pulseEKKO PRO
ii
2.6.1 Powering the DVL and Control Module.........................................25
2.6.2 Powering the Low Frequency Transmitter and Receiver..............26
2.6.3 Digital Video Logger ......................................................................26
2.6.4 Main Menu .....................................................................................27
2.6.5 Using the Software Menus ............................................................30
3 System Setup Parameters .....................................................................31
3.1 System Parameters for a Quick Start to Data Collection..........................32
3.2 GPR Parameters........................................................................................33
3.2.1 Antenna Frequency .......................................................................34
3.2.2 Time Window .................................................................................35
3.2.2.1 How Depth is Determined .....................................................35
3.2.3 Temporal Sampling Interval...........................................................36
3.2.3.1 Determining the Number of Points per Trace ..........................36
3.2.4 Antenna Separation .......................................................................37
3.2.5 Antenna Step Size .........................................................................38
3.2.6 Radar Velocity................................................................................39
3.2.7 System Stacking ............................................................................40
3.2.8 Pulser Setting.................................................................................41
3.3 Acquisition Control.....................................................................................42
3.3.1 Trigger Method...............................................................................42
3.3.1.1 Triggers ...............................................................................43
3.3.1.2 Odometer.............................................................................43
3.3.1.3 Free Run..............................................................................43
3.3.2 Beeper Activated............................................................................43
3.3.3 Free Run Trace Delay ...................................................................44
3.3.4 GPS Parameter Menu ...................................................................44
3.3.4.1 GPS Recording Mode ...........................................................45
3.3.4.2 Baud Rate............................................................................47
3.3.4.3 Stop Bits ..............................................................................47
3.3.4.4 Data Bits ..............................................................................47
3.3.4.5 Parity ...................................................................................47
3.3.4.6 Last NMEA String .................................................................47
3.3.4.7 Test GPS with Listing............................................................48
3.3.4.8 Test GPS with Plotting ..........................................................48
3.3.5 Odometer Setup Menu ..................................................................48
3.3.5.1 Odometer Calibration............................................................48