-8.1-
8 DIGITAL INTERFACE (IEC 61162-1 Edition 1 and 2)
1 I/O Sentences for Channel 1
Input
BWC, BWR, DBK *, DBS *, DBT, DPT, GDD *, GGA, GLL, GTD *, HDG, HDM *, MDA *, MTW (*),
RMA, RMB, RMC, VBW, VHB, VTG(*), ZDA
(* ) not recommended in IMO type, * R-Type Only
Output
RSD (every 4 s), TLL * (When A/C RAIN control is pressed.) * R-Type Only
2 I/O Sentences of Channel 2
Channels 2 sentences have priority over channel 1 signals.
Input
DBK *, DBS *, DPT, MDA *, MTW, VBW * R-type only
Output
TTM (Interval: 1-7 tgts, 2.5 sec.; 8-15 tgts, 5.0 sec., 16-20 tgts, 10.0 sec.)
3 I/O Sentences of Channel 3
Heading data, I/O sentences of channels 3 have priority over channel 1 signals when both are
input.
Input
HDB *, HDG, HDM, HDT, VHW * R-type only
Output
None
4 Sentence Description
See pages which follow.
5 Priority
Nav data sentences below are read left to right, and in case of timeout the sentence right of last
read sentence is read. In case of multiple high priority sentences the sentences having the highest
priority is read. ** is read regardless of talker. Timeout is 90 seconds unless specified otherwise.
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