Raymarine E120W Reference Manual page 165

Chapter 7: Using the Radar
These orientation modes are used in conjunction with motion mode (see
control how your boat and radar relate to one another and how they are displayed on
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
(2) It is not possible to select Head Up mode when the motion mode is set
e.g:
N
Ship's Heading Market (SHM)
(indicating the boat's current
heading) is upwards
e.g:
N
True north at top
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.
to True.
N
As your boat's heading changes:
SHM fixed upwards
Radar picture rotates accordingly
N
As your boat's heading changes:
Radar picture fixed (north up)
SHM rotates accordingly
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