TRACKPOINT 3
OPERATION
3-48
USBL Acoustic Data
Brings up Acoustics Data dialog box.
(Same as Acoustic Data in Project Tree)
This data is used within Trackman to
correct positional data based on the
acoustic parameters. Enter the average
water column Speed of Sound in me-
ters/ second or feet/ second or click the
Use Sound Velocity (SV) Profile check
box to enter in the profile or import a
file containing the profile. The default
value is 1500 m/s. The slant range is
calculated using this value and the
acoustic travel time. Enter the Water
Salinity at the hydrophone in part per
thousand. Default is 35 ppt. The TrackPoint hydrophone measures the temperature automatically.
This box should be checked. If not available then a manual temperature at the hydrophone can be
entered in degrees Celsius or Fahrenheit.
NOTE: When WATER TEMP-AUTO mode is selected the system only updates water temperature
upon receipt of a valid acoustic signal.
NOTE:
The WATER TEMPERATURE and SALINITY parameters do not affect speed of sound cal-
culations. It is used for phase correction (depression angle) at the water / hydrophone
interface.
Sound Velocity Profile
A single velocity profile can be entered by hand or loaded from a file. At each depth there is a
sound velocity value. The data is being assumed to represent the sound velocity layers for the en-
tire region within which you are operating. Therefore, it is assumed that there is no effect on bear-
ing in this model. A non-direct sound wave segment could not be re-directed to the receive point
(from a bearing point-of-view) since the effect is only on z-axis. The only two parameters that re-
quire correction are the slant-range (SR) and depression angle (DA).
If the SVP data is available in a printout then manually enter the data within the Sound Velocity
Profile chart below. For example, in layer #1 enter in the Depth and the Velocity associated with
that layer. Continue entering data, filling in the chart down to the depth required. If the data en-
tered for the Velocity is between 1400 and 1700 then it is assumed the data is in meters/second. If
the Velocity values are between 4592 and 5576 then the data is assumed to be in feet/second.
Summary of Contents for TRACKPOINT 3 4211A
Page 3: ......
Page 5: ......
Page 13: ...PRECAUTIONS viii ...
Page 14: ...SECTION ONE GENERAL INFORMATION ...
Page 15: ......
Page 18: ...TRACKPOINT 3 GENERAL INFORMATION 1 3 TRACKPOINT 3 CONSOLE FRONT VIEW FIGURE 1 1 ...
Page 20: ...TRACKPOINT 3 GENERAL INFORMATION 1 5 TRACKPOINT 3 SYSTEM COMPONENTS FIGURE 1 3 ...
Page 21: ...TRACKPOINT 3 GENERAL INFORMATION 1 6 FIGURE 1 4 ...
Page 27: ...TRACKPOINT 3 GENERAL INFORMATION 1 12 ...
Page 28: ...SECTION TWO INSTALLATION ...
Page 29: ......
Page 34: ...TRACKPOINT 3 INSTALLATION 2 5 FIGURE 2 2 ...
Page 35: ...TRACKPOINT 3 INSTALLATION 2 6 FIGURE 2 3 ...
Page 38: ...TRACKPOINT 3 INSTALLATION 2 9 MODEL 4740A INSTALLATION FIGURE 2 5 ...
Page 39: ...TRACKPOINT 3 INSTALLATION 2 10 FIGURE 2 6 C A U T I O N ...
Page 52: ...TRACKPOINT 3 INSTALLATION 2 23 FIGURE 2 15 ...
Page 53: ...TRACKPOINT 3 INSTALLATION 2 24 FIGURE 2 16 ...
Page 56: ...TRACKPOINT 3 INSTALLATION 2 27 FIGURE 2 17 ...
Page 62: ...SECTION THREE OPERATION ...
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Page 132: ...TRACKPOINT 3 OPERATION 3 69 ...
Page 177: ...SECTION FOUR PRINCIPLES OF OPERATION ...
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Page 183: ...TRACKPOINT 3 PRINCIPLES OF OPERATION 4 5 ...
Page 185: ...TRACKPOINT 3 PRINCIPLES OF OPERATION 4 7 TRACKPOINT BLOCK DIAGRAM FIGURE 4 3A ...
Page 186: ...TRACKPOINT 3 PRINCIPLES OF OPERATION 4 8 TRACKPOINT BLOCK DIAGRAM FIGURE 4 3B ...
Page 189: ...SECTION FIVE MAINTENANCE ...
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Page 193: ...TRACKPOINT 3 MAINTENANCE 5 1 DSP CARD PROGRAMMING MODE JUMPER FIGURE 5 1 ...
Page 201: ...APPENDIX A CARE OF CABLES ...
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Page 204: ...TRACKPOINT 3 APPENDIX A A 2 ...
Page 205: ...APPENDIX B STATIC DISCHARGE ...
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Page 208: ...TRACKPOINT 3 APPENDIX B B 2 ...
Page 209: ...APPENDIX C WARRANTY ...
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Page 212: ...TRACKPOINT 3 APPENDIX C C 2 ...
Page 213: ...APPENDIX D DRAWINGS ...
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Page 216: ...TRACKPOINT 3 APPENDIX D D 2 ...
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