NorthStar Navigation NorthStar 491 manual Illustrated Soundtrac screen

Models: NorthStar 491

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real-time echoes. For details, see “Reviewing past echoes using SoundTrac” starting on page 51.

Depth

markerEcho dataDepth Scale and

indicator

Water temperature box

Color bar

Water temperature scale

Depth box

Position marker and indicator

Lat/lon of

Dist/brg to

Steering indicator

Speed, course, and speed

position

position

 

through the water

marker

marker

 

 

Figure 7: Illustrated SOUNDTRAC screen

NOTES:

All of the alarm messages always appear on all of the echo sounder’s screens. You won’t miss any alarms while displaying echo sounding data, and you never have to press any keys to view the current alarms (although you must press STAR to clear alarms that don’t automatically clear).

The SAVE and MOB functions always work normally. Moreover, on the 961/962, whenever you press either of these keys, the corre- sponding *SAVE##* or *MOB##* waypoints will be displayed automatically on the echo sounder’s picture, as well as on the CHART screen (after you press CHART).

491 Echo Sounder Operations Manual

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NorthStar Navigation NorthStar 491 manual Illustrated Soundtrac screen