19. Navigation Sensors
19-16
5. If the position source is dead reckoning, the position set with chart alignment is the new start position for dead
reckoning. In this case, there is no offset and the text indication "offset" does not appear. If the position source
is something other than dead reckoning, then the indication "offset" is displayed at the upper part of the
information area. Also the range and bearing of the offset are shown in the POSN page of the Sensors dialog
box. See the figure below.
You can see range and
bearing of the offset in the
POSN page of the Sensors
dialog box.
SPD/CRS POSN
NM
DR
Chart align
The indication OFFSET
appears on the ECDIS
display.
HDG 071.0
°
SPD (WT) 15.6 kn
SB (POSN) 0.0 kn
COG (POSN) 071.0
°
SOG (POSN) 15.6 kn
59
°
31.206'N
024
°
36.731'E
WGS 84
DGPS
offset
19.9.2 How to reset position alignment
To reset position alignment, do as follows:
1. Open the Sensors dialog box then open the POSN page.
2. Uncheck "Chart Align".
.
SPD/CRS POSN
NM
DR
Chart align
3. Check that the indication "offset" is not shown in the upper part of the information area, to the right of the
position source indication.
HDG 071.0
°
SPD (WT) 15.6 kn
SB (POSN) 0.0 kn
COG (POSN) 071.0
°
SOG (POSN) 15.6 kn
59
°
31.206'N
024
°
36.731'E
WGS 84
DGPS
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