User's Manual

Chapter 11 Appendix MDC-7000P/7900P Series
0093169006-05E 11-12
11.2 Input data
11.2.1 Validity and integrity of input data
Data
indication
HDG Latitude and
Longitude
SPD COG/SOG WP
White color
THS-A*
HDT
GLL-A,D*
GGA-1,2,3,4,5**
GNS-A,D,F,P,R*
VBW
Status water speed
: A
VHW
VBW
Status ground
speed: A
VTG-A,D,P*
RMB-A,D*
BWC-A,D*
RTE/WPL
Yellow color
EPFS has output of GBS which is fault detection as well as GLL, GGA, GNS, VTG, RMB, BWC
and WPL.
In case Expected error of GBS sentence exceeds 10 m, LAT/LON, COG/SOG will be low integrity.
At this time, numerical values of LAT/LON and COG/SOG displayed at the upper right of display
are shown in yellow.
Orange
color and
XXX.XX
THS-E,M,S,V*
HDT(no input)
GLL-E,M,S,N*
GGA-0,6,7,8**
GNS-E,M,N,S*
VBW
Status water speed
: V
VHW(no input)
VBW
Status ground
speed: V
VTG-E,M,S,N*
RMB-E,M,S,N*
BWC-E,M,S,N*
RTE/WPL
(no input)
* mark is the "Mode indicator" in the data string. Refer to 11.2.2 Details of the data input format.
** mark is the "quality indicator" in the data string. Refer to 11.2.2 Details of the data input format.
11.2.2 Details of the data input format
Check sum: All the data from $ to the check sum position * is calculated by exclusive-OR operation and
used as checksum.
Heading
THS True heading and status
a*hh<CR><LF>
Note* mode indicator
Check su
m
A=Autonomous valid
Mode indicator* E=Estimated invalid
Heading, degrees true M=Manual input invalid
S=Simulator mode invalid
Note for IMO mode V=Data not valid invalid
II, IN, HE, HN, HC, GA, GP, GL, GN and SN are accepted.
HDT Heading true
T*hh<CR><LF>
Check su
m
Heading, degrees true
Note for IMO mode
II, IN, HE, HN, HC, GA, GP, GL, GN and SN are accepted.
$-- THS, x.x ,
$--
HDT, x.x,
Note: HDG, HDM, VTG, RMC and RMA sentences are not accepted for IMO radar.