GMDSS: Element 3

1. A Set up a spectrum analyzer and service monitor and manually verify the manufacturer's specifications.
2. B Use another radio on the same frequency to check the transmitter.
3. C Use the built-in self-test feature.
4. D Using on-board self-test routines are strictly prohibited by the FCC in commercial transmitters. Amateur Radio is the only service currently authorized to use them.

Tip: press A-D to answer