NorthStar Navigation Echo Sounder NorthStar 491 manuals

Owner’s manuals and user’s guides for Sports and recreation NorthStar Navigation Echo Sounder NorthStar 491.
We providing 1 pdf manuals NorthStar Navigation Echo Sounder NorthStar 491 for download free by document types: User Manual

Northstar navigation Echo Sounder NorthStar 491 User Manual (76 pages)

Brand: Northstar-navigation | Category: Sports and recreation | Size: 2.78 MB |

English

Table of contents

Northstar 491

1

Echo Sounder

1

Contents

2

Welcome to the Northstar 491

6

Using this manual

6

Conventions

7

Technical support

8

How echo sounding works

9

Powering the 491 on and off

11

Setting up the 491

11

Using the 491 with

12

Figure 3:

13

Using demo mode

18

Navigation

19

Status tabs

19

Echo sounding

19

Depth and

19

Using automatic mode

20

Manually

21

Zooming in and out

23

Using bottom zoom

24

Using bottom lock

24

Using bottom lock/

25

Using marker zoom

25

Setup functions

26

Entering numerical

27

This option only

28

Speed and

29

The picture menu

32

Understanding the

36

Selecting the color

36

Setting the white

37

4Understanding Depth Settings

39

Viewing the seabed depth

40

Viewing the depth marker

40

Changing the depth settings

40

Setting the picture’s range

42

Using the MORE key

46

Changing the advance speed

46

Displaying the A-scope

47

Setting the ECHO screen data

48

Bottom depth box

49

Temperature box

49

Introducing snapshots

50

Archiving and

51

ﬂoppy disk

51

Marking ﬁsh as waypoints

57

Going directly to a

58

7Setting the Alarms

59

Understanding the alarms

60

Setting the ﬁsh alarm

60

Setting the alarm’s

61

Setting the upper

61

Setting the bottom alarm

62

Setting the bottom

63

Turning the bottom

64

The alarm

64

Checking the transducer

69

Maintaining a

70

Performance characteristics

71

Screen notations

72

Interfacing

72

Physical characteristics

72

Environmental characteristics

72

Manual controls

73

Glossary

75

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