3 Select Auto Lap > Auto Lap Trigger > By Position > LapAt.4 Select an option:• Select Lap Press Only to trigger the lap counter eachtime you select and each time you pass any of thoselocations again.• Select Start and Lap to trigger the lap counter at the GPSlocation where you select and at any location duringthe ride where you select .• Select Mark and Lap to trigger the lap counter at aspecific GPS location marked before the ride and at anylocation during the ride where you select .5 If necessary, customize the lap data fields (page 11).Marking Laps by DistanceYou can use Auto Lap to automatically mark the lap at a specificdistance. This feature is helpful for comparing your performanceover different parts of a ride (for example, every 10 miles or 40kilometers).1 From the home screen, select > Activity Profiles.2 Select a profile.3 Select Auto Lap > Auto Lap Trigger > By Distance > LapAt.4 Enter a value.5 If necessary, customize the lap data fields (page 11).Using Auto ScrollYou can use the auto scroll feature to automatically cyclethrough all of the training data pages while the timer is running.1 From the home screen, select > Activity Profiles.2 Select a profile.3 Select Auto Scroll > Auto Scroll Speed.4 Select a display speed.Changing the Start NoticeThis feature automatically detects when your device hasacquired satellites and is moving. It is a reminder to start thetimer so you can record your ride data.1 From the home screen, select > Activity Profiles.2 Select a profile.3 Select Start Notice > Start Notice Mode.4 Select an option:• Select Once.• Select Repeat > Repeat Delay to change the amount oftime to delay the reminder.System SettingsSelect > System.• GPS Settings (page 12)• Display Settings (page 12)• Data Recording Settings (page 12)• Unit Settings (page 12)• Configuration Settings (page 12)• Language Settings (page 12)• Tone Settings (page 12)GPS SettingsTraining IndoorsYou can turn GPS off when you are training indoors or to savebattery life.From the home screen, select > System > GPS > GPSMode > Off.When GPS is off, speed and distance are not available unlessyou have an optional sensor that sends speed and distancedata to the device (such as the GSC 10). The next time you turnon the device, it will search for satellite signals again.Setting Your ElevationIf you have accurate elevation data for your present location,you can manually calibrate the altimeter on your device.1 From the home screen, select > System > GPS > SetElevation.2 Enter the elevation, and select .Viewing SatellitesThe satellite page shows your current GPS satellite information.For more information about GPS, go to www.garmin.com/aboutGPS.From the home screen, select > System > GPS > ViewSatellites.GPS accuracy appears at the bottom of the page. The greenbars represent the strength of each satellite signal received (thenumber of the satellite appears below each bar).Display SettingsSelect > System > Display.Backlight Timeout: Adjusts the length of time before thebacklight turns off (page 2).Color Mode: Sets the device to display day or night colors. Youcan select Auto to allow the device to automatically set dayor night colors based on the time of day.Screen Capture: Allows you to save the image on the devicescreen.Calibrate Screen: Aligns the screen to properly respond totouches (page 14).Data Recording SettingsSelect > System > Data Recording.Record To: Sets the data storage location (page 8).Recording Interval: Controls how the device records activitydata. Smart records key points where you change direction,speed, or heart rate. 1 Sec. records points every second. Itcreates a very detailed record of your activity and increasesthe size of the activity.Data Averaging: Controls whether the device includes zerovalues for cadence and power data that occur when you arenot pedaling (page 6).Changing the Units of MeasureYou can customize units of measure for distance and speed,elevation, temperature, weight, position format, and time format.1 Select > System > Units.2 Select a measurement type.3 Select a unit of measure for the setting.Changing the Configuration SettingsYou can modify all of the settings you configured in the initialsetup.1 Select > System > Device Reset > Initial Setup.2 Follow the on-screen instructions.Changing the Device LanguageFrom the home screen, select > System > Language.Setting the Device TonesFrom the home screen, select > System > Tones.Time ZonesEach time you turn on the device and acquire satellites, thedevice automatically detects your time zone and the currenttime of day.12 Customizing Your Device