GMDSS: Element 7R

1. A Activate the IFF interrogation system.
2. B The SART responds automatically and transmits the 12-blip signal when it detects the search craft or other vessels' X-Band radar signal.
3. C Maintains watch on VHF-FM Ch-70 for the SART's unique identifier.
4. D The SART responds automatically when it detects the search craft or other vessel's 10-cm radar signal.

Tip: press A-D to answer