Raymarine Radar equipment Raychart Chartplotter RC530 PLUS - Manual (Page 19)

Chapter 1: Overview 1-3
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Terminology
The following terminology is used to describe radar and chartplotter systems:
Master A unit capable of sourcing specific data such as
fishfinder, chart or radar data.
Repeater A unit capable of displaying data, such as radar, from
hsb 2 .
Fishfinder Display Unit providing Fishfinder Master, Chart Repeater and
Radar Repeater functionality.
Radar Display Unit providing Radar Master, Fishfinder Repeater
and Chart Repeater functionality.
Chart Display Unit providing Chart Master, Fishfinder Repeater and
Radar Repeater functionality.
Combined DisplayUnit providing both Radar and Chart Master or Fishfinder
and Chart Master functionality.
Integrated System Additional instruments are connected via hsb 2 ,
Seatalk or NMEA interfaces.
hsb 2 ™ High Speed Bus - links compatible display units.
It supersedes HSB and allows multiple display systems.
For full display and control between
hsb 2 series display
units, the units must be connected via hsb 2 and SeaTalk.