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9. WARNING __________________________________________ 30
Overvoltage Warning .....................................................................................................30
Unretracted Transducer Warning ................................................................................... 30
10. MENU ____________________________________________ 32
General .......................................................................................................................... 32
Changing Menu Settings ............................................................................................... 32
11. INTERFACE MODULE CSH-5060 ______________________ 35
Specifications.................................................................................................................35
Operation .......................................................................................................................36
Indications .....................................................................................................................47
Marks and Data.............................................................................................................. 51
Event Mark Position Output .......................................................................................... 52
12. MAINTENANCE ____________________________________ 53
General .......................................................................................................................... 53
13. UNIT DIAGNOSTIC TESTS ___________________________ 54
Description of Unit-diagnostic Tests .............................................................................54
14. CHARACTERISTICS OF THE ULTRASONIC WAVE IN
WATER ___________________________________________ 58
Sound Velocity............................................................................................................... 58
Absorption and Attenuation........................................................................................... 59
Refraction ......................................................................................................................60
Adverse Effect of Air Bubbles....................................................................................... 61
Reflection at Seabed and Fish School ........................................................................... 62
SPECIFICATIONS____________________________________ SP-1
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