Radar Observer · Display — Orientation
A disadvantage of an unstabilized head-up display is that:
- AIt cannot show targets
- BTarget echoes and the picture smear or blur when the ship yaws✓ Correct
- CIt always points north
- DIt requires a gyro to operate
Explanation
Because the picture is referenced to the ship's head, any yaw swings the whole display, blurring echoes and bearings. A gyro-stabilized (north-up or course-up) presentation holds the picture steady.
Authority: Radar Navigation — Orientation
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