Garmin echoMAP CHIRP 40 SERIES Owner's Manual

Also see for echoMAP CHIRP 70 series: Owner's manual Installation instructions

3 Select Delete.Deleting All Saved TracksSelect User Data > Manage Data > Clear User Data >Saved Tracks.Retracing the Active TrackThe track currently being recorded is called the active track.1 Select User Data > Tracks > Follow Active Track.2 Select an option:• Select the time the active track began.• Select Entire Log.3 Review the course indicated by the colored line.4 Follow the colored line, steering to avoid land, shallow water,and other obstacles.Clearing the Active TrackSelect User Data > Tracks > Clear Active Track.The track memory is cleared, and the active track continuesto be recorded.Managing the Track Log Memory During Recording1 Select User Data > Tracks > Active Track Options.2 Select Record Mode.3 Select an option:• To record a track log until the track memory is full, selectFill.• To continuously record a track log, replacing the oldesttrack data with new data, select Wrap.Configuring the Recording Interval of the Track LogYou can indicate the frequency at which the track plot isrecorded. Recording more frequent plots is more accurate butfills the track log faster. The resolution interval is recommendedfor the most efficient use of memory.1 Select User Data > Tracks > Active Track Options >Record Interval > Interval.2 Select an option:• To record the track based on a distance between points,select Distance > Change, and enter the distance.• To record the track based on a time interval, select Time >Change, and enter the time interval.• To record the track plot based on a variance from yourcourse, select Resolution > Change, and enter themaximum error allowed from the true course beforerecording a track point.Deleting All Saved Waypoints, Routes, andTracksSelect User Data > Manage Data > Clear User Data > All >OK.Auto GuidanceCAUTIONThe Auto Guidance feature is based on electronic chartinformation. That data does not ensure obstacle and bottomclearance. Carefully compare the course to all visual sightings,and avoid any land, shallow water, or other obstacles that maybe in your path.NOTE: Auto Guidance is available with premium charts, in someareas.You can use Auto Guidance to plot the best path to yourdestination. Auto Guidance uses your chartplotter to scan chartdata, such as water depth and known obstacles, to calculate asuggested path. You can adjust the path during navigation.Setting and Following an Auto Guidance Path1 Select a destination (Destinations, page 9).2 Select Navigate To > Guide To.3 Review the path, indicated by the magenta line.4 Select Start Navigation.5 Follow the magenta line, steering to avoid land, shallowwater, and other obstacles.NOTE: When using Auto Guidance, a gray segment withinany part of the magenta line indicates that Auto Guidancecannot calculate part of the Auto Guidance line. This is due tothe settings for minimum safe water depth and minimum safeobstacle height.Creating an Auto Guidance Path1 Select Navigation > Routes & Auto Guidance Paths > New> Auto Guidance.2 Select SELECT, and choose a destination point.Filtering a List of Routes and Auto Guidance PathsYou can filter a list of routes and Auto Guidance paths to quicklyfind a saved destination.1 Select MENU > Filter.2 Select an option.Reviewing an Auto Guidance Path1 From the Navigation chart, select a path.2 Select an option:• To view a hazard and adjust the hazard path, selectHazard Review.• To change the path name, or to adjust or recalculate thepath, select Edit.• To delete a path, select Delete.• To navigate the selected path, select Navigate To.Adjusting an Auto Guidance Path1 From the Navigation chart, follow the on-screen instructionsor use the arrow keys to move the destination point to thenew location.2 Select SELECT > Move Point.3 Select BACK to return to the navigation screen.Canceling an Auto Guidance Calculation in ProgressFrom the Navigation chart, select MENU > Cancel.TIP: You can select BACK to quickly cancel the calculation.Setting a Timed ArrivalYou can use this feature on a route or an Auto Guidance path toget feedback about when you should arrive at a selected point.This allows you to time your arrival at a location, such as abridge opening or a race starting line.1 From the Navigation chart, select MENU.2 If necessary, select Navigation Options.3 Select Timed Arrival.TIP: You can quickly open the Timed Arrival menu byselecting a point on the path or route.Adjusting the Distance from ShoreThe Shoreline Distance setting indicates how close to the shoreyou want the Auto Guidance line to be placed. The AutoGuidance line may move if you change this setting whilenavigating. The available values for the Shoreline Distancesetting are relative, not absolute. To ensure the Auto Guidanceline is placed the appropriate distance from shore, you canassess the placement of the Auto Guidance line using one ormore familiar destinations that require navigation through anarrow waterway.12 Navigation with a Chartplotter