Simrad NX45 Specifications download pdf (Page 25)

Simrad NX40/45 Installation and Operation Manual 25

3-5 Tracks and tracking

Tracking records the boat’s position to memory at regular

intervals, which can be time or distance intervals.

The track of where the boat has been can be shown on

the chart. The unit can show one track while recording

another.

The unit can store 10 tracks. Each can hold 2000

waypoints.

Tip: Record a reference track and then use the track to

help navigate the same trip later. For example, record a

reference track as you leave harbour. Then if you return

to harbour and visibility is poor, select the chart and

navigate manually along the reference track back into

the harbour. Record reference tracks in good conditions.

When recording is on and the track becomes full then

recording continues and the oldest points in the track are

deleted. The maximum length of a track depends on the

selected track interval: a small interval will give a shorter,

more detailed track and a long interval will give a longer,

less detailed track, as shown in these examples:

Time intervals

Interval Track 1-10

1 sec 33 minutes

10 sec 5.5 hours

1 min 33 hours

Distance intervals

Interval Track 1-10

0.01 20

1 2,000

10 20,000

To save this route

> Save

3-4 Projected course

If Projected course is turned on, then the unit will show

the projected position based on the course over ground

(COG), speed and a specied time.

A Projected position

B Boat’s projected course

C Boat position

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 119 120

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Simrad NX45 Specifications Page 25