Raytheon NSC 18 User Manual page 60

Operator Manual
Repeater UP means the repeater indicator is upwards
−Stabilized operation−
WARNING
Filter and Trails do not function in Repeater UP. Course UP is preferred.
Repeater UP is a special feature of the NSC Radar. In this display mode, the
bearing scale behaves like a compass rose where the ship heading marker
(SHM) acts as the lubber line.
Visual impression
Repeater UP corresponds to the line of vision "ship's head up".
Response to a change of course
The radar video rotates in line with the change of course.
The radar rose rotates in line with the change of course.
SHM remains unchanged.
Relative or true
The radar video can only be presented in Relative Motion (RM (..)).
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3748DOC020102 Edition: 14.JAN.2005