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Selects telecommand

Steps between selectable telecommands

Inserts the TX working frequency in the

call

Selects the telephony display for change

of working frequencies

The working frequency for safety calls is normally the distress and safety frequency in the

same band as the DSC call, i.e. 2182 kHz on MF.

Selects the DSC frequency

Steps between DSC distress frequencies

Starts transmission of the call

When transmission ceases the equipment is set to SSB telephony and the working frequen-

cies indicated in the call.

Returns to the previous telephony display

Transmit the safety message as follows:

- “SECURITE”, repeated 3 times

- “ALL STATIONS”, repeated 3 times

- “this is”,

- the 9-digit identity

and

the call sign or name of own ship,

- the text of the safety message

Returns to the previous telephony setting, by an off-to-on hook transition.

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Sailor HC4500B User Manual

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