Chapter 6: Using the Radar 127
screen. Any changes that you make to the orientation of the radar are retained when
you switch off.
Head Up (H-UP)
This is the default mode for the radar application.
North Up (N-UP)
Notes: (1) If heading data becomes unavailable whilst in this mode, a warning
message will be shown, the status bar indicates North-Up in brackets
and the radar uses 0° heading in relative motion. When heading data
becomes available once more, North-Up mode is reinstated.
(2) It is not possible to select Head Up mode when the motion mode is set
to True.
Ship's Heading Market (SHM)
(indicating the boat's current
heading) is upwards
As your boat's heading changes:
SHM fixed upwards
Radar picture rotates accordingly
N
N
e.g:
D8398_1
N
e.g:
True north at top
N
D8399_1
As your boat's heading changes:
Radar picture fixed (north up)
SHM rotates accordingly
81221_4.book Page 127 Tuesday, February 28, 2006 5:24 PM
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