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| USING YOUR GPS |
03 / 08 / 08 |
Waypoints |  |  |
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A waypoint is a mark that might have had user information added to it and is then saved to the user database in the GPS. A waypoint can have the following information:
- Name (6-14 characters dependent on type)
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A symbol or icon
Choose type by highlighting the symbol area, press 'enter' and choose from the list:
- Elevation data
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A grid reference of your choice
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A brief note to be stored. Some models only
When set up for use in the UK, your position will be expressed as a ten figure OS grid reference e.g. NY34214 76408. If you wish you can insert zeros at the end of say a 6 figure grid reference and then save it. For example: NY39400 48600.
To create a waypoint for a specific location, simply use the Mark function and then edit the features, especially the grid reference, to create the waypoint location you want to save.
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Find and Delete Waypoints
Unless you are storing a mark of your current position as a waypoint, you can create them anywhere, for example, in the comfort of your own home. Creating waypoints on the move isn't easy, especially in poor weather conditions, so practise indoors whilst you can.
Having created a waypoint and saved it into your database, you must be able to find it again. Use Find, Waypoints, then Menu to choose:
'By Name'.
All waypoints are listed in strict alphabetical order (numbers first then A to Z). Use the text grid to text in the name you are looking for.
Press OK or use the 'Quit' key to remove the text grid.
OR
'Nearest'
This will show a list of the nearest waypoints (maximum 50) to your current position. It will not show all waypoints - only the first so many. The first one in the list will be the nearest. If the waypoint you are looking for is close to your position, this will probably be the best search option to use. Highlight the waypoint you are looking for, then press 'OK' to use.
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Ways to Work with Waypoints
Waypoints can be used in the following ways:
- Name and save a waypoint to the user database
Edit waypoint data
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Find a waypoint in the user database
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Delete a waypoint
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Navigate (GoTo) to any waypoint in your user database
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Add waypoints together to form a route
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View waypoints on the Map or Plot screen
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See how far away a waypoint is from your current position and the bearing to it
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The GoTo Function
This function gets the GPS to navigate you to a single waypoint. It is simple to activate but complex in the information it can give you. Here you will start to see what the GPS can do. The more familiar you become with this feature, the more uses you will find for it.
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How to use the GoTo Function
Once you have a 3D satellite fix, find any waypoint from your user database and then select the GoTo function. Once you are moving (unless your GPS has an electronic compass), your GPS will now:
- Give you a direct line bearing or direction arrow (on the compass page) to your destination. This bearing will be dynamic as it updated every second. This means it is self-correcting according to your current location
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Countdown the current distance to the destination
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Show your current position and the destination position on the plot or map screen. You will also see the breadcrumb trail (your track so far)
Remember a GPS will happily navigate straight over a cliff! It has no idea what hazards are between A and B so you will have to think for it. Refer to your map and either contour (find the easiest route given the terrain) or follow the nearest footpath to your destination.
Making the best use of the GoTo function:
- Find your approximate destination on your paper map
Look at the ground between your present position and your destination
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Make life easy for yourself and contour around obstacles
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As you contour, your GPS will update your direction pointer
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When you think you have arrived, allow your GPS time to settle and your estimated position error will improve
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This will make your position information more accurate
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Look around you to find a feature that will confirm your position
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Try to get out of the shadow of trees or buildings if you can to ensure the clearest view of the sky
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GPS Basics
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Getting Started
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GPS Buyer's Guide
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Using Your GPS
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GPS and Your PC
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