Garmin Alpha 100 Owner's Manual

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3 Remove the screw Á securing the VHF antenna to the backplate.4 Pull the length of the antenna from the antenna guide toremove the old antenna.5 Loop the antenna guide around the collar strap, and threadthe new VHF antenna through the guide.This helps to point the antenna up.6 Replace the screw securing the VHF antenna to the backplate.7 Replace the L-shaped cover over the VHF antenna.8 Replace the 4 screws on the L-shaped cover, replacing theshort screw in the correct location.Changing the Fuse in the Vehicle Power CableNOTICEWhen replacing the fuse, do not lose any of the small piecesand make sure they are put back in the proper position. Thevehicle power cable does not work unless it is assembledcorrectly.If your device does not charge in your vehicle, you may need toreplace the fuse located at the tip of the vehicle adapter.1 Rotate the end piece À 90 degrees counter clockwise tounlock it.TIP: You may need to use a coin to remove the end piece.2 Remove the end piece, the silver tip Á, and the fuse Â.3 Insert a new fast-blow fuse that has the same current, suchas 1 A or 2 A.4 Place the silver tip in the end piece.5 Push in the end piece and rotate it 90 degrees clockwise tolock it back into the vehicle power cable Ã.Data Field OptionsAccuracy of GPS: The margin of error for your exact location.For example, your GPS location is accurate to within +/-12 feet (3.65 m).Ambient Pressure: The uncalibrated environmental pressure.Ascent - Average: The average vertical distance of ascentsince the last reset.Ascent - Maximum: The maximum rate of ascent in feet perminute or meters per minute since the last reset.Ascent - Total: The total elevation distance ascended since thelast reset.Barometer: The calibrated current pressure.Battery Level: The remaining battery power.Bearing: The direction from your current location to adestination. You must be navigating for this data to appear.Cadence: The revolutions of the crank arm or strides perminute. Your device must be connected to a cadenceaccessory.Course: The direction from your starting location to adestination. Course can be viewed as a planned or set route.You must be navigating for this data to appear.Descent - Average: The average vertical distance of descentsince the last reset.Descent - Maximum: The maximum rate of descent in feet perminute or meters per minute since the last reset.Descent - Total: The total elevation distance descended sincethe last reset.Distance to Destination: The remaining distance to the finaldestination. You must be navigating for this data to appear.Distance to Next: The remaining distance to the next waypointon the route. You must be navigating for this data to appear.Elevation: The altitude of your current location above or belowsea level.Elevation - Maximum: The highest elevation reached since thelast reset.Elevation - Minimum: The lowest elevation reached since thelast reset.ETA at Destination: The estimated time of day you will reachthe final destination (adjusted to the local time of thedestination). You must be navigating for this data to appear.ETA at Next: The estimated time of day you will reach the nextwaypoint on the route (adjusted to the local time of thewaypoint). You must be navigating for this data to appear.Glide Ratio: The ratio of horizontal distance traveled to thechange in vertical distance.Glide Ratio to Dest: The glide ratio required to descend fromyour current position to the destination elevation. You mustbe navigating for this data to appear.GPS Signal Strength: The strength of the GPS satellite signal.Heading: The direction you are moving.Heart Rate: Your heart rate in beats per minute (bpm). Yourdevice must be connected to a compatible heart ratemonitor.Location (lat/lon): The current position in latitude and longituderegardless of the selected position format setting.Location (selected): The current position using the selectedposition format setting.Odometer: A running tally of distance traveled for all trips. Thistotal does not clear when resetting the trip data.Off Course: The distance to the left or right by which you havestrayed from the original path of travel. You must benavigating for this data to appear.Pointer: An arrow points in the direction of the next waypoint orturn. You must be navigating for this data to appear.Speed: The current rate of travel.Speed Limit: The reported speed limit for the road. Notavailable in all maps and in all areas. Always rely on postedroad signs for actual speed limits.Speed - Maximum: The highest speed reached since the lastreset.Speed - Moving Avg.: The average speed while moving sincethe last reset.Speed - Overall Avg.: The average speed while moving andstopped since the last reset.Sunrise: The time of sunrise based on your GPS position.18 Appendix