Raymarine HSB Chartplotter, User Manual

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Chapter 6: Installation 109
• SeaTalk compatible (for example, compass, GPS and instruments),
and there is no existing SeaTalk bus
• NMEA compatible, but operate only from 12V (for example, compass,
GPS and some navigators)
The DC~DC converter must conform to the following specification:
Input 21 to 32 V DC
Output 13.6V DC, isolated
Load Continuous current rating, in excess of load
(see Appendix A: Specification)
Display Unit Connections
The rear of the HSB Series display provides the following connection
sockets:
• HSB, for connecting to another HSB Series display (such as a radar
or second chartplotter display)
• SeaTalk, for SeaTalk data input and output and connecting to another
HSB Series display (such as a radar or second chartplotter display)
• NMEA Output
• Power/NMEA Input, for 12V or 24V DC power connection and two
NMEA 0183 inputs
• Scanner connection, this is only used if you have a combined
Pathfinder radar/chartplotter
1 NMEA Output 2 HSB 3 Power and NMEA Input 4 Scanner 5 SeaTalk
The following sections detail the Display Unit connectors.
Display Unit
Connections