SIS-1500 Seafloor Imaging System
ix
Contents
System Startup
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-17
Starting Chirpscan3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-17
Parameter Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-18
Configuring the Navigation Parameter Settings
. . . . . . . . . . . . .3-19
Configuring the Sonar Parameter Settings
. . . . . . . . . . . . . . . . .3-20
Configuring the Display Parameter Settings
. . . . . . . . . . . . . . .3-22
Saving Setup Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-23
Loading Setup Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-24
Activating the Tow Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-24
Predeployment Checks
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-26
Rub Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-26
Chirp Pattern Diagnostics Test . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-27
Data Telemetry and Sensor Tests . . . . . . . . . . . . . . . . . . . . . . . . . .3-29
Launching the Tow Vehicle
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-30
SECTION 4
Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Topside Processor Electronics
. . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
Workstation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
Digital Multiplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
Subsea Electronics
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8
Sonar Electronics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-10
Transducer Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-14
Standard and Optional Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-14
SECTION 5
Maintenance and Troubleshooting . . . . . . . . . . . . . . . . 5-1
Processor Periodic Maintenance
. . . . . . . . . . . . . . . . . . . . . . . . . .5-3
Air Filter Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3
Backups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3
Hard Disk Maintenance Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-4
Tow Vehicle Periodic Maintenance
. . . . . . . . . . . . . . . . . . . . . . . .5-4
Cleaning and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-4
Tow Vehicle Disassembly and Reassembly . . . . . . . . . . . . . . . . . . .5-5
Electronics Housing Disassembly
. . . . . . . . . . . . . . . . . . . . . . . . .5-5
Electronics Housing Reassembly
. . . . . . . . . . . . . . . . . . . . . . . . .5-7
Sonar Transducer Housing Disassembly
. . . . . . . . . . . . . . . . . . .5-7
Sonar Transducer Housing Reassembly
. . . . . . . . . . . . . . . . . . . .5-8
Summary of Contents for SIS-1500
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