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Northstar
Explorer VHF Series: 721/725
Operation and Installation Manual
Northstar
Explorer VHF Series: 721/725
Operation and Installation Manual
7-9 Set Up the Radio
IMPORTANT:
You can’t make any DSC transmissions until you’ve obtained a user MMSI and entered it into
your Explorer 721/725 .
See Appendix E for Obtaining and Entering MMSI information.
Black
Power/data cable
Orange
Blue
Blue
Grey
Pin Wire
Function
Notes
1
Red
No connection (Not used)
2
Orange NMEA OUT (+)
(To GPS)
3
White
Program/clone (Not used)
4
Green
NMEA IN (-)
(From GPS)
Pin Wire
Function
Notes
5
Yellow
NMEA IN (+)
(From GPS)
6
Black
NMEA OUT (-)
(Ground)
7
Blue
NAVBUS (+)
8
Grey
NAVBUS (-)
Connecting to a Northstar display using NavBus:
GPS and COM connector
721 / 725
Base unit
Northstar GPS product
Wiring for GPS and COM connector (See 7-8, 1. GPS and COM connector)