User's Manual
Table Of Contents
- 5 Data Collection Mode
- 6 Surveying Techniques
- 6.1 Low Frequency Reflection (Profiling) Mode
- 6.2 High Frequency Reflection (Profiling) Mode
- 6.3 Antenna Orientation
- 6.4 Triggers
- 6.5 Free Run
- 6.6 Odometer Data Acquisition
- 6.7 Signal Polarity
- 6.8 Spatially Aliasing the Data
- 6.9 Creating a Test Line for Data Quality
- 6.10 Adding GPS for Positioning
- 6.11 Common Mid-Point (CMP) Survey
- 6.12 Transillumination Surveys
- 7 Troubleshooting
- 8 File Management
- 9 Care and Maintenance
- 10 Helpful Hints
- Appendix A: Data File Formats
- Appendix B: GPR Signal Processing Artifacts
- Appendix C: Excerpts from the HP Fiber Optic Handbook
- Appendix D: Health & Safety Certification
- Appendix E: FCC Regulations
- Appendix F: Instrument Interference
- Appendix G: Safety Around Explosive Devices
pulseEKKO PRO 7-Troubleshooting
97
Check the battery voltage with a voltmeter. Try to do this while the battery is still attached to the DVL and
control module to get a true measure of the voltage while under load (it may be necessary to open the
battery case or belt battery case and connect the voltmeter to the positive and negative battery terminals).
If the battery has a low voltage or seems dead, try the system with another battery (if available), or give the
battery a good 12-14 hour charge (Figure 7-3) and try running the system again.
If the battery does not charge up to 12 Volts or more, it should be replaced.
Figure 7-3: Belt battery (right) used to power the DVL and Control Module. The battery charger is shown on the left.
Smart System batteries are fused to protect the system. For the belt battery, remove the battery from
padded casing and check the 5 Amp fuse. Replace the fuse if necessary. For the larger SmartCart battery,
open the battery case and check that the 10 Amp fuse is OK. If necessary, replace it with one of the spare
fuses available inside the battery case.
7.1.2 Transducer Power Requirements
The pulseEKKO PRO high frequency transducers (See Figure 2-19 on page 14) do not require separate
batteries for their operation. They are powered by the same 12 V battery that powers the DVL and Control
Module (see above). Power is sent to the transducers through the transducer cables.
7.1.3 Transmitter and Receiver Power Requirements
The pulseEKKO PRO receiver and transmitter both use two 12-volt sealed lead acid batteries. The
transmitter will, under normal conditions, run for about 4 hours or more on a pair of 2.3 AH batteries. The
receiver should run about twice that long on a pair of batteries.
If they are maintained in a charged condition they will give long life and reliable service. Improper use and
maintenance will greatly reduce their life.
Sealed lead acid batteries should NEVER be left in a discharged condition for any period of time. Charge
the batteries as soon as possible after use (Figure 7-4).
Charge batteries at room temperature whenever possible.