NAVIS NavDP 4000 Series Operation Manual page 150

In Auto Position Mode (figure 8.15):
If you choose "Hold" (hold position) current position will be set as new position setpoint.
If you choose "Move" — old positioning setpoint will be stored and ship will move to this point.
In Low Speed Track Mode (figure 8.16):
If you choose "Yes" — System will switch to Auto Pos mode
Else ship will jump on a map, mode will Low Speed Track, and track will be without changes.
In High Speed Track Mode (figure 8.17):
If you choose "Yes" — System will switch to Auto Heading mode Else ship will jump on a map, mode will High
Speed Track, and track will be without changes.
8.8.3.2 Median Test
Press Reject/Warning softkey to select action type for median test:
Reject Reject drifting ref-system (with pre-alarm)
Warning Alarm only for drifting ref-system (with pre-alarm)
Press Off/Low/High softkey to select strategy for median test:
Off Median test is off
Low Reject ref-sensor when drift exceeds 2 x its accuracy
High Reject ref-sensor when drift exceeds its accuracy
Reset button resets estimated drift to 0 ("restart median filter").
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Figure 8.15: Dialog box in Auto Position Mode
Figure 8.16: Dialog box in Low Speed Track Mode
Figure 8.17: Dialog box in High Speed Track Mode
Doc. 000.JDP-10000-OME, rev.3.3.13/"2102.$–17A-Advanced"
NAVIS NavDP 4000. Operation Manual