Compaq Aero 1520 Betriebsanweisung PDF herunterladen (Seite 12)

Cambridge Aero Explorer User’s Guide

Program Setup

Navpoint files

Introduction

Navpoints are navigation points used by soaring pilots during their flights. They are

defined by latitude, longitude and elevation. They also have attributes to describe how the

pilot may use the point. Each navpoint can have one or more attributes. The following

table describes the meaning of each navpoint attribute:

Attribute

Description

Home

The home airfield for this navpoint database. The

name of this point is shown when navpoints are

displayed.

Start

Indicates a start point for a task. A navpoint must

have this attribute in order to appear in the

selection list for start gate points.

Finish

Indicates a finish point for a task. A navpoint must

have this attribute in order to appear in the

selection list for finish gate points.

Airfield

Indicates an established airfield.

Turnpoint

Indicates a turning point in a task. A navpoint must

have this attribute set in order to appear in the

turnpoint selection list when specifying a task.

Landable

Indicates a field where safe landings can

possibility be made.

Managing and editing navpoint files can be crucial to effective cross-country soaring.

Over time, landable locations and airfields change. Pilots who use Cambridge Aero

instruments often keep custom databases of navpoints that reflect local conditions.

Creating

To create a new navpoint database use the following steps.

1. From the File menu point to New, then choose Navpoints. The dialog box that opens

is identical to the navpoint edit screen described below with the exception that there

is no list of navpoints on display.

2. Enter you navpoints one at a time. Fill in the all the information for your navpoint,

and then click Apply. The navpoint will then appear in the list. Repeat this process

until you have entered all your navpoints.

3. Review the navpoints in the list and verify they are correct. To change a navpoint,

click that navpoint in the list to display its information in the fields above. Make the

appropriate changes and click Apply or press the Enter key. Note: You must either

click Apply or press the Enter key for changes to a navpoint to be accepted.

4. When you are satisfied with your list of navpoints, click Close or Save As. The

program prompts for the file name for this navpoint database. A common

convention is to use the name of the home airport followed by the last two digits of

the year. For example, you might use Uvalde in the 2001 contest would be

uvalde01.dat.

Hint: Clicking Import at the bottom of the screen opens a browse window to select a list

of navpoints from another file. The program reads the navpoints from the file and

automatically enters them in the list for you. This is useful because the task of creating a

custom navpoint list often begins with an existing list of navpoints.

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