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Cambridge Aero Explorer⢠for Windows Version 1.0 User's Guide
CambridgeAero Explorer forWindows ®
Version1.0
User’s Guide
CambridgeAero Explorer User’s Guide
Copyright
Copyright © 2001 by CambridgeAero Instruments All Rights Reserved
First Edition 2001
Trademarks
Aero Explorer is a trademark of CambridgeAero Instruments.
Microsoft and Windows are registered trademarks of the Microsoft Corporation.
All other trademarks or registered trademarks are owned by their respective holders.
Mailing address:
CambridgeAero Instruments
P.O. Box 1420
Waitsfield, VT 05673
USA
Shipping address:
CambridgeAero Instruments
1673 Main St.
Waitsfield, VT 05673
USA
Telephone: 01-802-496-7755
Fax: 01-802-496-6235
Email: info@cambridge-aero.com
Website: www.cambridge-aero.com
CambridgeAero Explorer User’s Guide
Table of Contents
Chapter 1. Introduction................................................................ 1
Overview of the Program................................................................................... 1
Terminology ...................................................................................................... 1
CambridgeAero Explorer Versions.............................................................. 2
Customer Support ....................................................................................... 3
Chapter 2. Getting Started........................................................... 4
Installing the Software ....................................................................................... 4
Starting CambridgeAero Explorer ............................................................... 4
The CambridgeAero Explorer User Interface .............................................. 4
Icons in the Recorder and PC Panes........................................................... 5
Click and Drag Operations........................................................................... 6
Command Menu Operations........................................................................ 7
Right-Click Menu Operations....................................................................... 7
Tips and Tricks............................................................................................ 7
Program Setup .................................................................................................. 9
Navpoint files .............................................................................................. 9
Special Use Airspace files ......................................................................... 12
Tasks ........................................................................................................ 12
A Guided Tour................................................................................................. 14
Displaying a flight...................................................................................... 15
Analyzing a flight....................................................................................... 15
Displaying navpoints ................................................................................. 16
Displaying airspace ................................................................................... 17
Hide the explorer bar................................................................................. 17
Scrolling and 3D rotation ........................................................................... 17
Zoom ........................................................................................................ 17
Animate flight ............................................................................................ 17
Defining and displaying a task ................................................................... 17
Displaying maps........................................................................................ 20
Moving Maps............................................................................................. 20
Chapter 3. Communication with Data Recorder...................... 21
Connecting to recorder.............................................................................. 21
Recorder Properties .................................................................................. 21
Log Manager............................................................................................. 22
Transferring data to the recorder prior to taking off .................................... 23
Transferring flight logs from the recorder after landing ............................... 23
Using Flashcards ...................................................................................... 23
Transferring data to the recorder via a flashcard........................................ 24
Transferring flights from the recorder via a flashcard.................................. 24
Chapter 4. Flight Display........................................................... 25
Introduction ............................................................................................... 25
Display Options......................................................................................... 25
Display Control.......................................................................................... 26
Zoom ........................................................................................................ 27
Scrolling and Rotating a Flight................................................................... 28
Making the Display Follow a Flight............................................................. 30
Displaying Multiple Flights ......................................................................... 31
Map Display .............................................................................................. 31
CambridgeAero Explorer User’s Guide
Chapter 5. Flight Analysis ......................................................... 32
Introduction ............................................................................................... 32
Task Analysis............................................................................................ 32
Measuring with the cursor.......................................................................... 36
Chapter 6. Appendix .................................................................. 39
Menu Commands ............................................................................................ 39
Right-Click Menu Commands .......................................................................... 41
Troubleshooting............................................................................................... 43
Program Installation .................................................................................. 43
Can’t connect to recorder .......................................................................... 44
File Formats .................................................................................................... 44
IGC – File Format...................................................................................... 44
Map File Formats ...................................................................................... 44
Special Use Airspace File Format.............................................................. 45
Index .......................................................................................................................................... 48
Chapter 1. Introduction
Chapter 1. Introduction
Overview of the Program
Terminology
This manual explains how to use the CambridgeAero Instruments flight management
software, CambridgeAero Explorer . This program is a powerful tool that lets you
manipulate, view and analyze your flights graphically using a simple point and click
interface. CambridgeAero Explorer also facilitates work with navigation point databases
and special use airspace files. This program can communicate with your Cambridge GPS
or Pocket-Nav flashcard. Tasks can be defined with this program and loaded into your
data recorder or viewed graphically together with a flight log.
Cambridge-Aero Explorer is designed for anyone wishing to interface with their
Cambridge recorder and view flight log files stored in either IGC or CAI format. The
program runs on IBM or compatible hardware using Microsoft ® Windows ® 95, 98, 2000
or Windows ME. Navigation point databases are viewed in Cambridge .dat format. The
software can communicate with a flashcard reader installed on a Windows system as a
removable drive. To communicate with a Cambridge Model 10,20 or 25 GPS, you must
have the unit connected to your computer on a working serial port.
Windows terms
These terms describe how to use the program.
Click - Select an item by moving the mouse pointer to the item, then pressing and
releasing the left mouse button.
Click and drag - Move the mouse pointer to the item, then press and hold the left mouse
button while moving the item to another location on the screen. Release the mouse button
when over the desired location on the screen.
Right-click - Move the mouse pointer to the item, then press and release the right mouse
button. This generates a context-sensitive menu of commands for that item.
Right click menu - A context-sensitive menu that appears when you right-click an item.
The commands on the menu are specific to that item. Right-click menus can help you
more quickly execute commands on an item.
Shift+click and drag - Hold down the Shift key while clicking and dragging an item.
Ctrl+key - Hold down the Ctrl key while you press a second key. For example, Ctrl+C
means hold down the Ctrl key, press the C key, and then release both keys.
Shift+key - Hold down the Shift key while you press a second key. For example,
Shift+C means hold down the Shift key, press the C key, and then release both keys.
Program terms
These terms describe the CambridgeAero Explorer program and related components.
Data file (.dat file) - A text file containing an ordered list of navpoints. These are the
same files as used in Pocket-Nav software and GPS-NAV products.
Default flight log folder - A directory (folder) on your computer’s hard drive where the
program stores flight logs transferred from a recorder.
Flashcard - A standard compact flash memory card used by a Compaq Aero 1520, 1550
or similar hand held computer.
Flight file (.cai or .igc file) - A file containing data generated by a GPS recorder that is a
record of the glider’s flight. Files with a .cai extension are in a Cambridge proprietary
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CambridgeAero Explorer User’s Guide
format. Files with the .igc extension are in a standard format defined by the IGC
(International Gliding Commission).
GPS-NAV - A CambridgeAero product such as the model 20 GPS receiver/data logger.
A GPS unit stores a navpoint database, pilot preferences, and flight logs recorded by the
recorder. The CambridgeAero Explorer program can read and update all information
stored in the Cambridge GPS-NAV units.
Map files - Scanned bitmap files precisely sized to one degree of latitude and longitude.
Corresponding map files can be overlaid on a given flight to show terrain or other
features. These are also known as “raster” maps.
Model 20, Model 25 - Cambridge-Aero GPS-NAV products.
Navpoint or Navigation Point - A point used for navigation by glider pilots in flight,
defined by latitude, longitude and elevation. They also have attributes to describe how the
pilot can use the point. Navpoints are saved in data (.dat) files.
Pocket-Nav - A Compaq Aero 1520, 1550 or similar hand held unit running Cambridge
Aero Pocket-NavCE2 or Pocket-NavCE3 software.
Secure data logger - A GPS unit that records a flight log during flight. It contains both
hardware and a software security system to prevent alteration of the log after the flight is
complete.
Special Use Airspace file (.sua file) - A data file that contains information about an
airspace that is restricted for flight by a government authority. CambridgeAero Explorer
can display these files together with a flight log to ensure compliance with government
rules. This file is the same as those used by Pocket-Nav software.
Turnpoint - A point within a list of navpoints that has been defined as a goal within a
task.
Workspace - Equivalent to a folder on your computer’s hard drive or removable drive.
The default workspace in the program is the folder where you installed the Cambridge
Aero Explorer software (C:\Program Files\CAI). You can define as many workspaces
as needed.
CambridgeAero Explorer Versions
Standard and Plus versions
The CambridgeAero Explorer is available in two versions. The standard version is
available free of charge, and can be downloaded from the Cambridge website. The Plus
version contains advanced features and is available on CD-ROM from your Cambridge
Dealer. The following features are available only in the Plus version:
?? Displaying flight logs created with a non-Cambridge recorder.
?? Viewing flight traces in 3 dimensions with dynamic viewing rotation.
?? Displaying flight traces overlaid on a map file.
?? Flight Analysis, including both task analysis and analysis using the measurement
cursor.
Free Plus version evaluation
If you have the standard version of the program, you can evaluate the Plus version free of
charge for 30 days. Simply choose Evaluate Cambridge Explorer Plus from the Help
menu, and then restart the program. This enables the Plus features for 30 days. Choose
Evaluate Cambridge Explorer Plus from the Help menu during the evaluation period
to display the date for the end of the evaluation period.
Chapter 1. Introduction
Customer Support
If you experience problems with your version of CambridgeAero Explorer or have
questions about its operation, our website has extensive technical data on all of our
products and may contain the answer to your question. You can reach our website by
typing the following web address in your Internet browser:
http://www.cambridge-aero.com.
You can get access the CambridgeAero Explorer web site directly from the program.
From the Help menu, choose Web Support. This starts your Internet browser and
displays the support page (if an Internet connection is available).
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CambridgeAero Explorer User’s Guide
Chapter 2. Getting Started
Installing the Software
From CD-ROM
1. Insert the CambridgeAero Explorer CD-ROM your computer’s CD-ROM drive. The
installation program starts if your computer is configured to automatically run the
CD-ROM install program.
2. If the installation program doesn’t start, double-click the My Computer icon
normally located in the top left corner of the Windows desktop screen. Double-click
the CD-ROM drive icon, then double-click the Setup.exe program to start the
installation program.
From Internet File
To download the CambridgeAero Explorer from the Internet, follow these steps.
1. Go to the CambridgeAero website at http://www.cambridge-aero.com.
2. Click the link forAero Explorer
3. Follow the directions on the page to download the program. Make sure you note the
directory where your computer saves the downloaded file.
4. After downloading the file, double-click the My Computer icon normally located in
the top left corner of the Windows desktop screen.
5. Double-click the hard drive icon, and then navigate to the directory where you stored
the installation program.
6. Double-click the installation program to install the software.
Note: The installation program searches for the older Cambridge DOS-based flight
viewing software on your C: or D: hard drives in a folder names CAI. If it locates the old
DOS-based program, it automatically creates workspaces for your existing files.
Starting CambridgeAero Explorer
The software installation procedure automatically places an icon on the desktop of your
computer labeled CambridgeAero Explorer. Double click this icon to start the program
or go to Start, point to Programs, then to CambridgeAero Explorer.
The CambridgeAero Explorer User Interface
The CambridgeAero Explorer uses the standard Windows interface components.
The title bar is located at the top of the screen and contains the title of the program.
The menu bar contains the names of the command menus.
The toolbar contains a row of buttons representing commands. You can use the buttons
to quickly choose a command, instead of choosing the command from a menu.
The Recorder pane is the upper-left pane. It shows the contents of the GPS recorder if
one is connected to the computer.
The PC pane is the lower-left pane. It displays the contents of the workspaces on your
computer and any removable drives (flash card, floppy diskette, etc...)
The right side of the program window is for graphical displays of flights, tasks, maps and
navpoints. It is divided into the Barograph pane (upper-right) that displays a vertical
profile of the flight, and the Plot pane (lower-right) that displays a 3 dimensional view of
the flight.
Chapter 2. Getting Started
Icons in the Recorder and PC Panes
The PC and Recorder panes of the Explorer bar allow you to quickly and easily find,
organize and manage the files you need to work with your Cambridge recorder. When
working with these panes, you will see numerous entries in a cascading tree structure.
Each entry has an icon and a label associated with it.
Recorder pane icons
Entry Icon Description
Recorder Not No Cambridge recorder attached to the computer.
Connected
Recorder
Connected
Recorder is connected to the computer; displays
the pilot’s name and recorder serial number.
Task Folder
Organizes tasks in the recorder.
Task
A task stored in the recorder.
Log Folder
Organizes logs stored in the recorder
Available Log A recorded flight log available to transfer to the
PC. It displays the flight date and the approximate
number of fixes made during that flight. Doubleclicking
the entry transfers it to the PC.
Transferred
Log
A flight log transferred to the PC. It displays the
location of the log on the PC.
Note: If you saved this log in a folder other than
the default flight log folder, this log will appear as
an “Available Log” instead of a “Transferred
Log.”
Double-clicking the entry transfers it to the PC,
and the program asks if you wish to create a new
version of the flight.
Navpoints
Navpoints stored in the recorder. It displays the
name of the navpoint file transferred to the
recorder.
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CambridgeAero Explorer User’s Guide
PC pane icons
Entry Icon Description
Workspace
Represents a directory (folder) on the computer’s
hard drive or a removable drive or flashcard.
Double-clicking the icon expands or collapses the
folders in this workspace so you can see its
contents. The right and left arrow keys also expand
or collapse the workspace.
Directory
Folder
Represents a folder on your hard drive, removable
drive, or compact flashcard. You can expand or
collapse the folder to see its contents.
Navpoints
A navpoint (.dat) file. Double-clicking the icon
displays the navpoints in the Display pane.
SUA files
A Special Use Airspace (.sua) file. Doubleclicking
the icon displays the airspace in the
Display pane.
Log in IGC
Format
Log in CAI
Format
Click and Drag Operations
A flight log (.igc) file, stored in standard IGC
format. Double-clicking the icon displays the
flight in the Display pane.
A flight log (.cai) file, stored in a standard IGC
format. Double-clicking the icon displays the
flight in the Display pane. The program creates a
log in IGC format if one does not exist when you
perform any action on it.
You can use your mouse to click and drag icons to accomplish various tasks. This is also
called “drag and drop”, since you drag a copy of the icon across the screen, then drop
(release the mouse button) the icon on the desired pane. Refer to the rest of this manual
for more information on the tasks listed below.
Displaying a file
You can display the contents of a navpoint, special use airspace, or flight log file in the
Display pane by clicking and dragging the desired icon from the PC pane to the Display
pane. In addition, you can overlay multiple files by repeating the step of clicking and
dragging additional files to the Display pane.
Transferring a file
You can transfer files between the recorder and the computer. The following operations
are supported:
?? Transfer navpoint files to the recorder by clicking and dragging the navpoint icon
from the PC pane to the recorder entry in the Recorder pane.
?? Transfer navpoint files from the recorder by clicking and dragging the navpoint icon
from the recorder pane to a folder in the PC pane.
?? Transfer flight log files from the recorder by clicking and dragging the flight log icon
from the recorder pane to a folder in the PC pane.
?? You can also click and drag a flight file from the Recorder pane directly to the
Display pane. The program displays the flight, and also transfers the flight file to the
default flight log folder.
Moving a file
You can move navpoint, special use airspace, or flight log files between different
workspaces on the computer. Simply click and drag the file to the desired folder.
Chapter 2. Getting Started
Copying a file
You can copy navpoint, special use airspace, or flight log files between different
workspaces on the computer. Press and hold the Ctrl key while you click and drag the
file to the desired folder.
Command Menu Operations
The menu bar in the CambridgeAero Explorer contains all the commands that you use to
accomplish tasks in the program. Many of the commands, such as those on the Action
menu, apply to the currently selected item (file or folder) in the Recorder or PC pane.
1. Select the desired navpoint, special use airspace, flight file, or folder in the Recorder
or PC pane.
2. Click the desired menu on the menu bar, or press the Alt key + the underlined letter
in the menu name. For example, press Alt+F to select the File menu.
3. Click the desired command in the menu, or press the underlined letter in the
command name.
Some commands don’t apply to a selected item. For example, the commands on the File,
View, Recorder, and Window menus. For these commands, simply choose the
command from the menu without first selecting an item.
Note: If a command is unavailable (grayed out), that means the command has no
application in the current context. For example, the commands on the Window menu are
unavailable if there are no navpoint, special use airspace, or flight files displayed. For
another example, commands that apply only to flight files are unavailable if no flight is
selected in the Recorder or PC pane.
The commands in the CambridgeAero-Explorer program are described in the Appendix.
Right-Click Menu Operations
Tips and Tricks
When you right-click an icon or folder in the PC or Recorder pane, the program displays
a menu of commands. The menu is context-sensitive, which means the commands on the
menu apply specifically to the right-clicked icon. This gives you a quick and easy way to
accomplish many tasks simply by right-clicking an icon and choosing the command to
apply to the icon.
You can also right-click in the Plot pane when a navpoint, special use airspace, or flight
file is displayed for a menu of commands that apply to the Plot pane.
This section of the manual contains suggestions on how to effectively utilize the PC and
Recorder panes to organize your files. It is assumed that you have completely read this
section of the manual on how to manage files before proceeding.
I like to have all my important files on my computer in one place, so
I want to store all my logs and navpoints in the “My Documents”
system desktop folder. How is this done?
Windows 98 systems and later have adopted the “My Documents” folder as a way of
organizing the users files in a single place where they can easily be backed up. Some
users may find it convenient to have their Cambridge files also saved under this folder.
To do this, follow these steps:
1. First, make sure there is a “My Documents” folder on your desktop. If it is not there,
consult your Windows help system for instructions on how to create it.
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CambridgeAero Explorer User’s Guide
2. Double click on the “My Documents” folder on the Desktop to open it. Once opened
right click in that folder and from the New menu, select Folder. Type in
“Cambridge Files” as the name for this new folder.
3. Start the CambridgeAero Explorer and from the File menu, choose New
Workspace… .
4. From the browse for Folder dialog, select the “Cambridge Files” folder under the
“My Documents” entry. Then click OK.
5. A new workspace has been created in your PC pane and appears as the last entry
there. It will have a long and confusing name like: “New Workspace -
(C:\Documents and Settings\… \Cambridge Files). If desired, you can rename it to
something more meaningful. Right click on this new workspace and select the
“Rename” menu. Type in a new name, like “My Cambridge Files”, then press the
Enter key.
6. Right click on this workspace and select “New Folder”. Then type in “Flights” as
the name of this folder.
7. To have your flights transferred to this “Flights” folder from future connections with
the recorder, right click on the “Flights” folder and select “Set as Default – Flight
Log Folder”.
Now whenever you transfer a flight log to your PC from the recorder, it will be created
under your “My Documents” folder. Additional folders for Navpoints and Airspace can
also be created in this workspace to organize other files.
I want to organize my flights by year. What is the best way to do
this?
Follow steps 1-5 above to create a “Cambridge Files” workspace in your “My
Documents” folder. Then follow these steps:
1. Right click on the workspace and select “Create Folder” from the menu. Type in
“Flights during 2001” as the name for that new folder.
2. Right click on this new folder and select “Set as Default – Flight Log Folder”.
3. You can import any flights you have already made this year by right clicking on the
folder and selecting the “Import Files… ” from the menu. You can select one or
more files from the next dialog and they will be copied to the folder.
Chapter 2. Getting Started
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
Home
Start
Finish
Airfield
Turnpoint
Landable
Description
The home airfield for this navpoint database. The
name of this point is shown when navpoints are
displayed.
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.
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.
Indicates an established airfield.
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.
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 CambridgeAero
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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CambridgeAero Explorer User’s Guide
Editing
Right click on any navpoint file in the Navpoint folder in the PC pane and select Edit
from the menu. This opens the navpoint-editing dialog box.
The navpoints that make up this file are initially listed in ascending numeric order.
However, you can sort the list by clicking on the column title bar to sort by the value in
that column. For example, if you click the Latitude bar at the top of the column, the
program resorts the list by latitude. Clicking on the column header a second time inverts
the sort order. Note: If any navpoints are added or changed, you will need to re-sort the
column.
You can edit all of the attributes of individual navpoints in this screen. Pay careful
attention to navpoint attributes. A site listed as an airfield is not automatically a contest
eligible turnpoint. Competition managers at different soaring sites designate lists of
turnpoints for contest use in their area
Clicking any navpoint in the list allows you to change the properties of that point. The
program displays the values for the selected point. Once you have made changes to a
navpoint, click Apply or press the Enter key. Note: You must either click Apply or press
Enter for your changes to be accepted.
To remove navpoints from the list, select the navpoint in the list, then click Delete or
press the Delete key.
Clicking Import prompts you to browse your computer for a navpoint file to be read and
inserted in your list. Navpoints in the list with the same ID number as those read from the
file will be replaced.
Click Save As to save an edited list under a different name. Click Close to apply any
changes you make in the list and close the dialog box.
Click Cancel to discard any changes you have made.
Chapter 2. Getting Started
Downloading navpoints from the Internet
Many pilots prefer to use lists of navpoints that have already been created for a favorite
soaring site. The most well known web site to download navpoints from is the
“Worldwide Soaring Turnpoint Exchange“ The following instructions are applicable to
that site only. To download a navpoint database from this site, follow these steps:
1. Start the CambridgeAero Explorer. By default, you should see a folder called
“Navpoints” under the first workspace in the PC pane. Right click on the
“Navpoints” folder and select “Properties… ” from the menu.
2. Look at the “Properties… ” dialog and you will see and entry for “Folder Location”.
If you took the defaults during installation this will be:
“C:\Program Files\CAI\Navpoints”
Remember this location or better yet, write it down on a piece of paper.
3. Now start your web browser and open the following page:
http://acro.harvard.edu/SOARING/JL/TP/HomePage.html
4. Find your soaring site from the pages on this web site. They are organized by
continent, then country, then state. When you find the page for your site, scroll
down to the line:
Files formatted for downloading and importing into your programs.
Then click on the icon shown at the left.
5. From this page, scroll down until you see the entry
CambridgeAero Instruments®
Right click on the leftmost icon
, and select “Save Target As… ” from the menu.
.
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CambridgeAero Explorer User’s Guide
6. Now you will see a form asking where to save these navpoints on your computer.
Click on the drop down list next to “Save in” and select the folder you saw in step 2.
7. After selecting the correct folder, select “Save”.
8. Now restart the CambridgeAero Explorer, and open the Navpoint folder you
identified in step 1. The navpoints you downloaded from the Internet should be
visible there.
Special Use Airspace files
Tasks
Introduction
A special use airspace file (SUA file) is a data file containing information about airspace
that is restricted for flight by a government authority. CambridgeAero Explorer can
display SUA files together with a flight log to ensure compliance with government rules.
This file is the same as those used by Pocket-Nav software.
SUA files are text files that define sectional data such as the altitude and radius of class C
airspace around a major airport. Detailed information on how to create and edit SUA files
can be found at http://acro.harvard.edu/SOARING/JL/TP/sua.html.
Editing and Displaying.
Right click on the SUA file in the PC pane and select Edit to edit the text of an SUA file.
SUA files are edited in the text-editing program installed on your computer, such as
Microsoft Notepad.
To view the file graphically, click and drag the file to the Plot pane. If a corresponding
flight is already displayed in the Plot pane, the program overlays the SUA. Alternatively,
you can right click the SUA file and chose Overlay.
Downloading SUA files from the Internet
Downloading SUA files is very similar to downloading navpoint files. Special Use
Airspace files should be downloaded from the Internet in the Tim Newport-Peace format.
Follow the guidelines outlined for download Navpoint files download the SUA files.
Defining a Task for the Data Recorder
The CambridgeAero Explorer provides an easy to use interface to define tasks in your
GPS-NAV recorder. To define tasks in the recorder, use the following these steps.
1. From the Task menu, choose Define and Transfer. This command creates tasks and
then transfers them to a connected data recorder.
Chapter 2. Getting Started
2. First select the navpoint list you wish to use for task creation. Select either the list
loaded on the recorder, or choose a database already stored on your computer. For
the Use Navpoints from recorder option to work, you must have a recorder
connected to your PC which has valid navpoints stored in it.
3. In the Turnpoints: window type the numbers of the turnpoints you will be flying as
they appear in the database list. For example, the 82.26-mile task shown above is
specified as 1,10,5,1. To select from the list of available turnpoint numbers, click the
Browse button next to the text window. Click on the turnpoint you wish to use.
4. As you enter turnpoint numbers in the Turnpoints: text box, the information for the
current turnpoint appears in the lower window.
5. To define more than one task for the recorder, select a different task (lettered A
through K) from the Task list, and then enter turnpoints for that task.
6. After tasks are defined, click Send Tasks to Recorder. The program sends the tasks
to the recorder.
Overlaying a Task on a Flight Display
After displaying a flight, you may want to overlay a task on the display to see how well
the flight conformed to the task. To overlay a task on a flight, follow these steps.
1. Display a navpoint file and optionally a flight log in the Display pane.
2. From the Task menu, choose Define and Overlay. You must either have a flight log
or navpoint file displayed for this command to be available. Also, in order to overlay
a task, you must have navpoints displayed. The Task Overlay dialog appears.
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CambridgeAero Explorer User’s Guide
3. If you want start and finish gates, select Display Start Gate and Display Finish
Gate. Then select the gate definition by clicking Define Gate for each. This puts the
start and finish gates in the list. The ID of the start point in the list will have an “S”
after it in the first column. Similarly, the finish point will have an “F” after the ID in
the first column.
4. Enter a Turnpoint Radius. This radius is used to display a black circle around each
turnpoint. Also displayed in this circle is the FAI turnpoint sector. See the FAI rules
for a description of this turnpoint sector.
5. Enter a Navpoint Radius. This radius is used to display a smaller colored circle
around each turnpoint.
6. Enter the Turnpoints. Enter the ID of the turnpoints, separated by either a comma or
space. Click Browse to select a turnpoint from the list of navpoints. Note: Only
those navpoints with the “Turnpoint” attribute specified will appear in the list.
7. Click OK and the program overlays the task on the display.
For more information refer to the tutorial section, Defining and Displaying a Task.
Note: The program remembers tasks you enter. If you want to overlay a task on another
flight from the same day, you will not have to re-enter that task. This information is saved
in the same folder as the flight log with the same first 3 letters as the log file name, but
with a .cfg file type.
Note: When a task is overlaid on a flight display, that task is not sent to the recorder.
A Guided Tour
This section is a step-by-step description that covers simple operations within the
program such as displaying flights and navpoint databases. This also covers 3D rotation
of the flight view, analyzing the flight data, zooming the view in on detailed areas and
overlaying tasks and maps to the view.
Chapter 2. Getting Started
Displaying a flight
Analyzing a flight
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