Data Standards; Hsb - Raymarine HSB Chartplotter User Manual

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you only need to connect NMEA In to the master display, which will pass
the data to the repeater via SeaTalk.
Note: To transfer NMEA data, the display must be powered ON.
The following paragraphs describe these data standards and define the
data that is transferred. The diagrams on the following pages show
examples of integrated systems: the first includes SeaTalk instruments
and an HSB repeater display; the second example shows NMEA
instruments and an HSB repeater display.

Data Standards

HSB

The High Speed Bus (HSB) provides extremely rapid transfer of data
between master and repeater displays. Any two devices that conform to
the HSB standard can be inter-connected. With an HSB and a SeaTalk
connection most data available can be controlled and displayed by either
unit (Guard zones cannot be viewed or controlled on the chartplotter
display, nor on a repeater display that is not directly connected to a
scanner. Likewise, radar timed transmission is not available on a repeater
display).
For example, you could connect an HSB Radar display and an HSB
Chartplotter display, to enable you to display and control both radar and
chart data on either or both displays. The HSB series displays allow you to
select either type of data for display, or display both types at the same
time, in half-screen windows.
When two displays are used, the following functionality will be obtained at
each display (assuming a radar scanner is connected to Display 1)
Scanner
Connected
No
No
Display 1
Display 1
Display 1
Display 1
Display 1
Type Functionality
RC520 Chart master
RC520 Chart master
Chart repeater(disp.2) RL70RC
RL70RC Radar master
Chart master
RL70RC Radar master
Chart master
Chart repeater (disp.2)
RL70 Radar master
RL70 Radar master
Chart repeater
HSB Series Chartplotter
Display 2
Type Functionality
RL70 Chart repeater
RC520 or Chart master
Chart repeater (disp.1)
RL70 Radar repeater
Chart repeater
RC520 or Chart master
RL70RC Chart repeater (disp. 1)
RL70 Radar repeater
RC520 or Chart master
RL70RC Radar repeater