Radar Observer · Controls — Tuning
The TUNE control on a radar is adjusted to:
- ASet the range scale
- BMatch the receiver to the transmitted frequency for the strongest return✓ Correct
- CEliminate sea clutter
- DCenter the display
Explanation
Tuning aligns the receiver to the magnetron's transmit frequency so echoes are displayed at maximum strength. A mistuned set shows weak echoes and reduced detection range.
Authority: Radar Navigation — Controls
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