Memorex RX 1 Smart Installationshandbuch PDF herunterladen (Seite 86)

84 | Keypad & Display Descriptione

XTE Alarm:

Causes an alarm to sound if your position exceeds the maximum XTE Limit defined

above when Yes is selected. To disable the alarm, select No (default) with the

Change softkey.

WPT Pass Criterion:

Sets the waypoint passed determination method. There are five methods available:

Complex:

This is the default setting. Passing the waypoint is determined by reaching an

imaginary perpendicular line. Or you can pass the waypoint by crossing the

bisector line of an acute angle (providing you are within 0.2 NM of the waypoint) or

an obtuse angle between your present course line and the next leg of your route.

Manual:

Passing the waypoint can only be accomplished by manually skipping a waypoint.

Refer to the Skipping and Unpassing Waypoints in the Route section of this manual.

This is a great way to perform station keeping maneuvering. Refer to the Plot

Screen Use Examples in the Plot section for further details on this application.

Distance:

Passing the waypoint is determined by reaching an imaginary circle around the

waypoint, the radius of which you can define in WPT Pass Distance. The default

value is 0.10 Nm.

If you set this distance to 0.00, you will never pass the waypoint. This is a great

way to perform station keeping maneuvering. Refer to the Plot Screen Use

Examples in the Plot section for further details on this application.

Bisector Line:

Passing the waypoint is determined by reaching the bisector line of an acute or

obtuse angle between your present course line and the next leg of your route.

Perpendicular Line:

Passing the waypoint is determined by reaching an imaginary perpendicular line

from your present course line.

Approach Alarm:

Causes an alarm to sound if your position is within the radius defined in Approach

Distance (below) when Yes is selected. To disable the alarm, select No (the default

condition) with the Change softkey.

Approach Distance:

Sets the waypoint approach alarm distance (above) to sound if your position is

within the radius defined. The default setting is 0.30 Nm. This is a convenient tool

for large boats and ships that need to perform Transfer and Advance maneuvers

prior to reaching the waypoint.

Autopilot Alarm:

Causes an alarm when your position is outside the cross-track error limit defined

in XTE Limit (above) or when you change course to a new leg in your route

(manually or automatically passing a waypoint) when Yes is selected. It also causes

the NMEA data records of APA, APB, and XTE to change their reported status

of Valid to Invalid when you reach the waypoint of the current leg. This tells the

autopilot not to use the data from the MX51x. When the alarm is canceled, which

requires your highlighting of the Cancel Alarm softkey then press ENT (displayed

during the alarm condition), these data fields will revert to valid data and the

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