Table of Contents
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ABOUT THIS MANUAL .............................................................. 7
SIMRAD SN90.......................................................................... 8
Important............................................................................................................................8
System description ........................................................................................................... 11
Using SN90 on purse seiners..................................................................................12
Using SN90 on trawlers .........................................................................................13
Specifications and functionality .............................................................................13
Key features .....................................................................................................................15
System diagram................................................................................................................17
General safety rules..........................................................................................................18
Support information .........................................................................................................18
GETTING STARTED ................................................................ 21
Operating Panel description.............................................................................................22
Menu system ....................................................................................................................25
Starting normal operation ................................................................................................26
Turning on the SN90 for normal use ......................................................................26
Getting to know the user interface .........................................................................27
Getting to know presentation modes and views .....................................................30
Adjusting the radius of the search area ..................................................................35
Adjusting the echo sensitivity ................................................................................36
Changing the vertical angle of the sonar beams.....................................................38
Adjusting the horizontal direction of the sonar beam ............................................40
Turning off the SN90..............................................................................................41
Basic operating procedures ..............................................................................................43
Selecting the language displayed in the menus and dialog boxes ..........................43
Selecting operating frequency for minimum noise ................................................44
Hiding the menu system when you do not need it .................................................45
Saving single or sequential screen captures ...........................................................45
Saving the current user settings..............................................................................47
Defining the ping (transmission) modes.................................................................48
OPERATING PROCEDURES ..................................................... 50
Getting started..................................................................................................................51
Turning on the SN90 ..............................................................................................51
Lowering and hoisting the transducer from the user interface ...............................52
Turning off the SN90..............................................................................................53
Choosing operating mode and key transmit parameters ..................................................55
381295/B
Table of contents
Operator Manual
3
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