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Chapter 4-6 GN33 Position menu

4.3 Speed, course & depth

Call up the menu bar, and...

2,3

load Speed, course & depth display

Speed over ground

18.0kn

Course

71m

Depth below transducer

12.4m

This display is preset to show:

Speed over ground in knots.

Magnetic course.

Depth below keel in meters.

• Speed over ground can be changed from the Position display set-

tings to show Speed through water: Press [MENU], [2], [1], [ENT],

go to the line “Display speed as: SOG”, press the [+] key to toggle to

STW, press [ENT] to accept the change. The top line in the display

will now show Speed through water.

• Course can be shown as magnetic or true. Toggle between the two

settings from the Position display: Press [MENU], [2], [1], [ENT],

go to the line “Course and bearing as: MAGNETIC”, press the

[+] key to toggle to TRUE, press [ENT] to accept the change. The

middle part of the display will now show True course e.g. 71°.

• To obtain a depth readout in this display will require that a depth

sensor is connected. The readout is selected from the Interface setup:

[MENU], [7], [2], go to “Depth” in the Water data section and toggle

between DBK Depth Below Keel, DBT Depth Below Transducer

and DBS Depth Below Surface, press [ENT], [ENT] to accept the

change. The new setting will be shown in the lower part of the dis-

play.

Simrad GN33 User Manual

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