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Setup | RS90S User Manual
Selecting the GPS source
A valid GPS connection is required for DSC to function. The RS90S
radio can use either it’s internal GPS system or an external GPS
source.
The internal GPS system required an external GPS antenna to
be installed. Installation instructions can be found in the RS90S
Installation Manual.
External GPS sources can be derived from either NMEA 0183 or
NMEA 2000 protocol to receive GPS data from a compatible GPS
unit. Up to 4 sources can be connected.
1. Select GPS/DATA →GPS SOURCE.
2. Select the required GPS source, and then press [OK].
¼ Note: NMEA 2000 SOURCE options will appear only if an NMEA 2000
network is connected to the radio and is operational.
Data / Source
LEVEL-2 LEVEL-3 Function Options
GPS SETTING TIME OFFSET +00:00
TIME FORMAT 12 HR/24 HR
TIME DISPLY ON/OFF
LL DISPLY ON/OFF
COG/SOG ON/OFF
GPS ALERT ON/OFF
GPS SOURCE MANUAL SET LAT / LON / TIME
NMEA 2000 AUTO SELECT
N2K-1
N2K-2 etc. ...
NMEA 0183 Set checksum
(ON/OFF)
INTERNAL GPS Select
GPS SIM Set GPS simu-
lator mode
ON/OFF
DEPTH NONE
...
GPS/DATA
MANUAL
SETTING
GPS SOURCE
USA
A
Hi
DSC
PRI
GPS SOURCE
NMEA2000
LGC3000
USA
Hi
DSC
PRI