Reson SeaBat 7125 SV2, Operator'S Manual

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SeaBat 7125 SV2 Operator‟s Manual
Page v July 25, 2011
Version 3
5.7.3 Ocean Settings ...................................................................................... 80
5.7.4 Primary Display Settings ........................................................................ 81
5.7.5 Data Recording ...................................................................................... 83
5.7.6 Screen Recording (Video Recording) ..................................................... 85
5.7.7 I/O Module Setup ................................................................................... 86
5.7.8 Data Playback ........................................................................................ 86
5.8 7k Center Console Window ........................................................................... 91
5.9 Help Menu ..................................................................................................... 92
5.9.1 Licensed Features .................................................................................. 92
5.9.2 Software Release Information ................................................................ 93
6 Active Sonar Usage ................................................................. 94
6.1 Chapter Overview .......................................................................................... 94
6.2 Enhancing the Sonar Image .......................................................................... 95
6.2.1 Pulse Length and Image Resolution ....................................................... 95
6.2.2 Transmit Power OFF .............................................................................. 95
6.2.3 Lower Ping Rate .................................................................................... 95
6.2.4 Receiver Gain ........................................................................................ 96
6.2.5 Vari-Swath ............................................................................................. 96
6.2.6 Correct Range Setting .......................................................................... 100
6.2.7 Minimum Beams, Intermediate, and Best Coverage Modes ................. 101
6.2.8 Use of Gates ........................................................................................ 101
6.3 System Efficiency ........................................................................................ 104
6.3.1 Auto Pilot ............................................................................................. 104
6.3.2 Roll Stabilization .................................................................................. 105
6.3.3 Head Tilt .............................................................................................. 106
6.4 Use of Displays ............................................................................................ 108
6.4.1 Wedge versus B-Scan Display ............................................................. 108
6.4.2 A-Scan, Phase and Magnitude Displays .............................................. 108
6.5 Water Column Data Recording .................................................................... 108
6.5.1 External RAID ...................................................................................... 109
6.5.2 Local Recording ................................................................................... 109
6.6 Compensation for Environmental Conditions ............................................... 110
6.6.1 Loss of Sound by Absorption ............................................................... 110
6.6.2 Loss of Sound by Spreading ................................................................ 111
6.6.3 Sound Velocity ..................................................................................... 112