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GPS Navigator J-NAV500

1. Overview

1.1 Functions

Attaching an optional GPS/DGPS receiver (GPS 100 or DGPS 200) makes it possible to turn the GPS

Navigator J-NAV500 into a GPS/DGPS navigational system. This navigational system uses GPS satel-

lites to calculate accurate positions anywhere in the world and under any weather conditions 24 hours

a day. This navigator displays navigational paths to entered waypoints using position data. There are

the following four navigation displays:

• POSITION Displays the latitude and longitude of the current position. It also dis-

plays the bearing and distance to a waypoint, course, speed, etc. and

the Loran C time difference.

• NAVIGATION Displays the bearing and distance to a waypoint, deviation and correct

steering direction to the route, and time to arrival to a destination.

Selections can be made to display the desired information.

• CDI Displays a graphic representation of course deviation. It also displays

correct steering direction, course and speed.

• PLOT Displays a graphic representation of the route line, the tracked line and

waypoints. Waypoints are indicated by symbols or alphabetic charac-

ters.

There is also a [STATUS] display showing status information such as satellite number, beacon fre-

quency and receiving level.

A total of 499 waypoints and 20 route plans can be entered in the navigator. A single press of the

key can turn any current location into a waypoint. Someone should fall overboard, press the

key for an instant graphic representation of that position and the route to return to this position.

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JRC J-NAV 500 Specifications

General