Kongsberg Seatex AIS 100 Instruction Manual page 86

Seatex AIS 100 Instruction Manual, rev. 5
NOTE 1
NOTE 2
NOTE 3
Easterly variation (E) subtracts from true course. Westerly variation
(W) adds to true course.
Positioning system Mode indicator:
A = Autonomous mode
D = Differential mode
E = Estimated (dead reckoning) mode
M = Manual input mode
S = Simulator mode
N = Data not valid
The positioning system Mode indicator field supplements the
positioning system Status field (field No. 2) which shall be set to V =
invalid for all values of Mode indicator except for A = Autonomous
and D = Differential. The positioning system Mode indicator and
Status fields shall not be null fields.
All fields, except Magnetic variation is used by the AIS.
ROT – Rate of turn
IMO Resolution A.526. Rate of turn and direction of turn.
All fields are used by the AIS.
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External interfaces