Japan Radio Co. JLR-7900, Instruction Manual

Page: 74 / 184

4-32
4.6 Performing Navigation

Registered and temporary routes can be started.

Routes can be selected by the following methods.
(1) Selecting a route from the route list
(2) Selecting a waypoint with the GOTO key
(3) Selecting a route with the GOTO key
(4) Creating a temporary route with the GOTO key

The waypoint is updated when own ship arrives the waypoint arrival circle.
4.6.1 Selecting a Route from the Route List
Routes can be selected from the route list and started.
1. Press the key to display the main menu.
2. Press the key to select "WPT/ROUTE" and "ROUTE START/END," and press the
key.
3. The route list will be displayed. Move the cursor to the route number you wish to start, and press
the key.
An overview of each submenu is as follows.
(1) LEG CHANGE
You can set whether a waypoint is updated automatically or manually when own ship arrives
the waypoint arrival circle.
AUTO:
The waypoint is automatically updated to the next waypoint.
MANUAL: The waypoint is updated manually to the next waypoint.
When the arrival circle is reached, the following message will display. Press the key to
update the waypoint.
(2) DIRECTION
You can set whether to perform navigation in the order of waypoints or starting from the final
waypoint.
ORDER: Navigation is performed in order the order of waypoints.
REVERSE: Navigation is performed starting from the final waypoint.
(3) SPEED SMOOTHING
When waypoint arrival time is calculated, ship speed is smoothed.
If the smoothing value is greater, the calculation result is stable but the difference becomes
larger.
In the sensor that calculates the ship speed, the ship speed may have already been
Procedure
UPDATE WPT
PLEASE PUSH ENT