GMDSS: Element 7

1. A Select one of the 6 HF MSI frequencies and set-up the transceiver in ARQ TELEX mode.
2. B Select one of the 6 MF MSI frequencies and set-up the transceiver in FEC TELEX mode.
3. C Select one of the 8 HF MSI frequencies and set-up the transceiver in FEC TELEX mode.
4. D Select the MF MSI frequency dedicated to tropical MSI and set-up the transceiver in FEC TELEX mode.

Tip: press A-D to answer