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Chapter 11
KGP-920
Technical Reference
Description Contents of data field
Waypoint location
*A maximum of four Waypoints are outputted.
GPWPL
Cross-track error, measured
GPXTE
$ GP WPL, llll.lll, a, yyyyy.yyy, a, c--c*hh <CR><LF>
Waypoint identifier
Sentence type
Talker device
Start of sentence
Waypoint latitude, E/W
Waypoint latitude, N/S
$ GP XTE, A, A, x.x, a, N, a*hh <CR><LF>
Sentence type
Talker device
Start of sentence
V = general warning flag for other navigation systems
When a reliable fix is not available
V = LORAN-C blink or SNR warning,
A = data valid
A = data valid
V = LORAN-C cycle lock warning flag
Magnitude of cross-track error
Direction to steer, L/R
Units, nautical miles
Mode indicator
A: Autonomous
D: Differential
M: Manual input
S: Simulator
N: Data not valid
11.1.5 Input / Output circuit
Port (connector) name: DATA, DATA2
The connector used: LTWBD-06BFFA-L180 (DATA) / LTWBD-08BFFA-L180 (DATA 2)
(DATA port Input circuit)
Input load: 470 ohm
Device: Photo-coupler TLP151A (Toshiba)
RXD (+)
TLP-115A
+Vcc
470
RXD (-)
11-8
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Содержание KGP-920
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