GMDSS: Element 7

1. A No action is necessary, as the DSC control unit will automatically switch to the NBDP follow-on communications frequency.
2. B The Operator should immediately set continuous watch on the radiotelephone frequency that is associated with frequency band on which the Distress alert was received.
3. C The Operator should immediately set continuous watch on VHF channel 70.
4. D The Operator should immediately set continuous watch on the NBDP frequency that is associated with frequency band on which the Distress alert was received.

Tip: press A-D to answer