GMDSS: Element 7R

1. A It immediately begins radiating when placed in the "on" position.
2. B If it has been placed in the "on" position, it will respond when it has been interrogated by a 9-GHz radar signal.
3. C It must be manually activated or water activated before radiating.
4. D If it has been placed in the "on" position, it will begin transmitting immediately upon detecting that it is in water.

Tip: press A-D to answer