25. Parameters Setup
25-4
25.1.4 Navigation parameters setting
The purpose of navigation parameters is set the basic parameters for the ship. These parameters are relative to ship
steering and they are very important to get correct function of the integrated navigation system. They must be
maintained carefully. Modification requires a good knowledge of the parameters’ importance.
In order to edit Ship and Route parameters, do the following:
1. Place the cursor on the text SINGLE, PLAN, SLAVE, MULTI or MASTER (whichever is shown) on the lower
right corner, then push the right mouse button to open the Initial Settings dialog box.
2. Choose Navigation parameters and then push the thumbwheel.
3. Choose Ship and Route parameters from the menu and then push the thumbwheel.
Ship parameters
Max. speed: Maximum speed the ship can do.
Max. height: Max. height of ship above sea level.
Max draught: Max. draught of ship.
Gyro correction:
Source: Choose method of gyro error correction, auto,
manual or off.
Spd/lat corr.: Choose On or Off
Max corr.: enter max. value for correction
Man corr.: enter value for manual gyro correction.
Route parameters
Max r.o.t.: Indicates the maximum rate of turn of the
ship.
Turn end tol: This defines the window for the detection
of the end of turn. Typical values are between 2 to 4
degrees.
WP app: Set the alarm time before approaching the wheel
over point.
WP prewarn: Set the alarm time before approaching the
wheel over point. It should be well in advance of the WP
approach alarm time.
Start limit: Set the maximum approach angle against
planned course in order to accept start of automatic route
steering.
Def. line rad: Used to define the default value of radius
between waypoints during automatic route steering.
Drift comp.: Enables/disables the drift compensation
during automatic route steering.
Gyro error: Enables/disables the gyro error compensation
of set course during automatic route steering.
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