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Riferimenti normativa ITU-R M.493-11 C

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195

C

Riferimenti normativa ITU-R M.493-11

TABELLA C.1

Ten-bit error-detecting code

B = 0 Y = 1

Order of bit transmission: bit 1 first.

TABELLA C.2

Packing table for decimal numbers into ten-bit characters

(2)

Appendice

C

196

Use of symbol Nos. 100 to 127

(3)

Appendice

C

197

TP: telephony TTY: direct printing

ARQ: Rec. ITU-R M.476 or Rec. ITU-R M.625 equipment

(1) Unassigned symbols should be rejected. The DSC equipment should take no action.

(2) Currently unassigned when used with first telecommands other than symbol No. 104 – for future use.

(3) Used for selective call to a group of ships in a specified VTS area (Rec. ITU-R M.825). Reception of calls having format specifier 103, for (or) category shall not activate any alarms on shipborne DSC controller. Should not be used in any future expansion.

(4) Only used for semi-automatic/automatic service.

(5) Used in the automatic VHF/UHF service (Rec. ITU-R M.586). Should not be used in any future expansion. (6) Should not be used in any future expansion.

(4)

Appendice

C

198

FIGURA 1

Riferimenti

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