Furuno ECDIS FMD-3100 Installation Manual page 71

ROT - Rate of turn
$--ROT,x.x,A*hh<CR><LF>
1 2
1. Rate of turn, deg/min, "-"=bow turns to port (-9999.99 to 9999.99)
2. Status (A=data valid, V=data invalid)
RPM - Revolutions
$--RPM, a, x, x.x, x.x, A*hh<CR><LF>
1 2 3
4 5
1. Source (S=shaft E=engine)
2. Engine or shaft number (0 to 9)
3. Speed, revolutions/min (-9999.99 to 9999.99)
4. Propeller pitch (-100.0 to 100.0)
5. Status (A=data invalid V=data valid)
RRT - Report route transfer
$--RRT, a, c-c, c-c, c-c, a, a *hh <CR><LF>
1 2 3 4 5 6
1. Reported transfer type.
(M=Monitored route, A=Alternative route for editing, Q=Query for
transmitting any monitored or alternative route for editing)
2. Name of transferred route. (Max. 30 characters, null)
3. Version of transferred route. (Max. 20 characters, null)
4. ID of current waypoint for monitored route. (Max. 10 characters, null)
5. File transfer statues of transferred route.
(A=Successful reception of the route file transfer, E=Error in
reception of the route file transfer, null)
6. Status of the intended application of the transferred route.
(A=Content of the received route accepted and valid, V=Content of
received route rejected, P=Pending, application level has not yet
evaluated the received route, N=Not applicable, null).
RSA - Rudder sensor angle
$--RSA,x.x,A,x.x,A*hh<CR><LF>
1 2 3 4
1. Starboard(or single) rudder sensor data (-180 to 180.0, null)
2. Starboard(or single) rudder sensor status (A=Valid V=Data invalid)
3. Port rudder sensor data (-180 to 180.0, null)
4. Port rudder sensor status (A=Valid V=Data invalid)
THS - True heading & status
$--THS,xxx.x,a*hh<CR><LF>
1 2
1. Heading, degrees True (0.00 to 360.00)
2. Mode indicator (A=Autonomous E=Estimated M=Manual input S=Simulator V=Data not valid)
APPENDIX 3 DIGITAL INTERFACE
AP-15