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LT-300 User & Installation Manual
NMEA 0183 Baud Rate
The NMEA 0183 baud rate is configured by selecting the input level of the NMEA 0183 Rx signals (RxD+/RxD-),
see Table 5.
Option 1 (default)
Option 2
T
5: C
ABLE
IMPORTANT: It is important that both RxD+ and RxD- have the same input level (floating or grounded). For
LT-300 interconnect details (wire colors), see Table 4 on page 19.
NMEA 2000 'Open' or 'Terminated'
The LT-300 GNSS Receiver is configured to 'Open' (NMEA 2000) from the factory. The LT-Service Tool can be
used for setting NMEA 2000 bus termination for the LT-300 GNSS Receiver.
IMPORTANT: Use the LT-Service Tool to configure the NMEA 2000 bus termination to 'Terminated'. For
further information on the LT-Service Tool, see Configuration using LT-Service Tool on page
26.
LED Color Description
The color code and description of the LED is illustrated in Table 6.
LED
Green
Red
Off
T
6: LT-300 GNSS R
ABLE
Lars Thrane A/S
LT-300 GNSS Baud Rate Configuration
Mode
Floating (not connected)
Grounded (connected to GND)
LT-300 GNSS R
ONFIGURATION OF
LT-300 GNSS LED Color Description
Power on unit.
Power on Unit. Error or warnings present. Check installation setup and
Troubleshooting on page 30 to resolve the problem. Connect the LT-
Service Tool to read-out details from the LT-300 GNSS Receiver, see
Connecting LT-Service Tool on page 24.
No power on unit.
LED C
ECEIVER
OLOR
RxD+/RxD-
NMEA 0183 B
ECEIVER
Description
C
D
ODE AND
ESCRIPTION
www.thrane.eu
Baud Rate
4.800
38.400
R
.
AUD
ATE
Connecting
20 of 39
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