Garmin Astro Astro and DC 40 Owner's Manual - Page 36
Highway, Proximity Alarms, Navigating with the Highway, Adding a Proximity Location
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GPS Applications Highway Navigating with the Highway Page 1. From the main menu, select Advanced > GPS Applications > Highway. Your course is a center line ➊ down the middle of the map. Your route is a magenta line ➋. ➊ ➋ 2. If necessary, press IN or OUT to zoom in or out on the map. Proximity Alarms You can define an alarm radius around a marked location. A tone sounds when you enter the designated radius. Adding a Proximity Location 1. From the main menu, select Advanced > GPS Applications > Proximity. 2. Select an empty line. 3. Select a category. 4. Select a marked location. 5. Select Use. 6. Enter a value for the proximity radius. Activating the Proximity Alarm 1. From the main menu, select Advanced > GPS Applications > Proximity > Proximity Alarm Tones. 2. Select a tone for each alarm. 32 Astro and DC 40 Owner's Manual
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