NorthStar 941x 사용자 설명서

Page 124

9 — Installation and Interfacing

Rev. D

Interfacing to other devices requires slightly different pin/wire connec-
tions. For example, use the following table to enable the 941X to com-
municate with a Yeoman electronic chart plotter.

$ CONNECT TO EITHER %

YEOMAN

WIRES

941X PORT 1

941X PORT 2

NMEA OUT (white)

(DATA A+)

NMEA IN (brown #3)

white w/brown stripe (#6)

Data Return (green)

(GROUND)

white w/blue stripe (#4)

white (#5)

NMEA IN (red)

(DATA +)

NMEA OUT (violet#12)

yellow (#15)

RETURN (black)

blue w/white stripe (#8)

black (#10)

(GROUND)

Table 8—Yeoman Electronic Plotter Setup with 941X

If your 941X is not equipped with an internal beacon receiver, you can
interface it with an external Northstar model 8800, 8401 or 8400 bea-
con receiver, or other source of differential corrections. As described on
page 74, differential corrections greatly enhance the accuracy of GPS by
improving your position fixes to accuracy of 2-5 meters in most cases.

To take advantage of this extra level of precision, connect the Northstar
beacon receiver to the 941X’s RS-232

RS-232

RS-232 port as follows:

connecting to

other devices

connecting to an

external source

of differential

corrections