User's Manual

AIS Class B Transceiver
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noticeable until your vessel has moved sufficiently Fig.6.10.
Note If “Tracking Offset” is not active when you select “TRACK”, your vessel
will be shown as a small circle at the centre of the display.
If “Tracking Offset” is already active when you select “TRACK”, your
vessel will be shown as a distinctive boat icon at its current GPS location
on the display, See section 5.5.2.
6.15 Clearing Down All Trails
To clear all existing vessel trails, including your own vessels, press and
hold TRACK (CLR TRK) for 2 seconds.
All vessels will return to their non-bold state and all tracks will be cleared
from your display.
6.16 Light Adjustment (Short Cut)
Single presses of the key will cycle through the preset lighting
levels for both the keypad and display. (100% to off in 20% steps).
The current backlighting settings will be stored when the AI50 is powered
down.
For further lighting options refer to section 5.3.1.
Fig. 6.10 - Tracking your own vessel