Raytheon Pathfinder ECDIS Operator's Manual page 215

7.1.4.2 Turning OFF Dead Reckoning
Turning OFF dead reckoning is not possible during track control or
while DR is selected as primary Nav Device .
Procedure:
Step 1 Select the ship menu (see Figure: 7−1).
Step 2 Select Dead Reckon... The dialog box appears (see Figure: 7−5).
Step 3 Select Stop DR then select OK.
Edition: 30.MAR.2007
ECDIS
Operator Manual
NOTE
7−9
R
Raytheon Anschütz GmbH
Germany
3655DOC020102