Garmin Astro, Owner'S Manual, Page: 4 / 84

iv Astro and DC 40 Owner’s Manual
Accessories ......................... 35
Calendar ..................................... 35
Calculator ................................... 35
Stopwatch ................................... 36
Viewing Sunrise and Sunset
Information ............................... 36
Viewing the Hunting Almanac ..... 37
Games ........................................ 37
Customizing Your Device ... 38
System Settings.......................... 38
Customizing the Dog List............ 38
Setting Dog Alerts ....................... 39
Display Settings .......................... 39
Setting the Device Tones ............ 40
Customizing the Main Menu ....... 40
Customizing the Map Setup ....... 40
Routing Settings ......................... 42
Geocache Settings ..................... 43
Marine Alarms............................. 43
Time Settings .............................. 44
Units Settings ............................. 44
Heading Settings ........................ 45
Altimeter Settings ....................... 45
Customizing Data Fields............. 46
Appendix .............................. 50
Using myGarmin
™
...................... 50
Buying Accessories .................... 50
Accessories and Replacement
Parts ......................................... 50
Data Management ...................... 53
Caring for the Devices ................ 57
Specifications ............................. 58
Battery Information ..................... 59
Charging the DC 40 .................... 61
Important Safety and
Product Information ............ 62
Index ..................................... 76