[. . . ] This addendum applies to Triton GPS receivers that have a software version that is equal to or higher then the ones listed. The most noticeable change in the software is that you can now access the Main Menu on any of the Navigational screens by pressing the MENU button. [. . . ] When you are ready to save the track to the Triton, press ENTER again and select "Stop & Save Track". The track Info screen is displayed with the option of assigning a name to the saved track ("Trail"). (Advanced Users) You can set a user grid as the Coordinate System for your Triton. When selecting User Grid, you will be presented with options to define the parameters of the User Grid. (Advanced Users) You can set a user-defined map datum for your Triton. When selecting a user datum, you will be presented with options to define its parameters. When done, the Navigation screen will be displayed with User set as the map datum. Set Custom Position provides a way to view map areas other then your present position. When setting a custom position, the GPS portion of the receiver is disabled and the screen is set to the location you select, either by entering the coordinates or by panning on the map. To view a custom position, step through the navigation screens to the Satellite Status screen. To turn the feature off and resume computing GPS position information, go to the Satellite Status screen, press ENTER and select "Disable Custom Position". When you have an active route that contains mulitple legs you can now select which point in the route to navigate next too. [. . . ] Select "Go to Next" or "Go to Previous" to set through the destinations in your active route. All other trademarks and registered trademarks are property of their respective owners. [. . . ]