Garmin echoMAP CHIRP 40 Owner's Manual

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

Contents

Steering PatternsWARNINGYou are responsible for the safe operation of your boat. Do notbegin a pattern until you are certain that the water is clear ofobstacles.The autopilot can steer the boat in preset patterns for fishing,and it can also perform other specialty maneuvers such as U-turns and Williamson turns.Following the U-Turn PatternYou can use the u-turn pattern to turn the boat around 180degrees and maintain the new heading.1 From the autopilot screen, select MENU > Pattern Steering> U-Turn.2 Select Engage Port or Engage Starboard.Setting Up and Following the Circles PatternYou can use the circles pattern to steer the boat in a continuouscircle, in a specified direction, and at a specified time interval.1 From the autopilot screen, select MENU > Pattern Steering> Circles.2 If necessary, select Time, and select a time for the autopilotto steer one complete circle.3 Select Engage Port or Engage Starboard.Setting Up and Following the Zigzag PatternYou can use the zigzag pattern to steer the boat from port tostarboard and back, over a specified time and angle, acrossyour present heading.1 From the autopilot screen, select MENU > Pattern Steering> Zigzag.2 If necessary, select Amplitude, and select a degree.3 If necessary, select Period, and select a length of time.4 Select Engage Zigzag.Following the Williamson Turn PatternYou can use the Williamson turn pattern to steer the boataround with the intent of running alongside the location wherethe Williamson turn pattern was initiated. The Williamson turnpattern can be used in man overboard situations.1 From the autopilot screen, select MENU > Pattern Steering> Williamson Turn.2 Select Engage Port or Engage Starboard.SonarWhen properly connected to a compatible transducer, yourchartplotter can be used as a fishfinder. Different sonar viewscan help you view the fish in the area.The adjustments you can make to each sonar view varydepending on the view you are in and the chartplotter model andtransducer you have connected.Sonar ViewsThe sonar views available vary depending on the type oftransducer and optional sounder module connected to thechartplotter. For example, you can view the Split Frequencyview only if you have a dual-frequency transducer connected.There are four basic styles of sonar views available: a full-screen view, a split-screen view that combines two or moreviews, a split-zoom view, and a split-frequency view thatdisplays two different frequencies. You can customize thesettings for each view in the screen. For example, if you areviewing the split-frequency view, you can separately adjust thegain for each frequency.Traditional Sonar ViewThere are several full-screen views available, depending on theequipment connected.The full-screen Traditional sonar view show a large image of thesonar readings from a transducer. The range scale along theright side of the screen shows the depth of detected objects asthe screen scrolls from the right to the left.À Depth informationÁ Suspended targets or fishÂ Bottom of the body of waterGarmin ClearVü Sonar ViewNOTE: To receive Garmin ClearVü scanning sonar, you need acompatible chartplotter or fishfinder and a compatibletransducer.Garmin ClearVü high-frequency sonar provides a detailedpicture of the fishing environment around the boat in a detailedrepresentation of structures the boat is passing over.Traditional transducers emit a conical beam. The GarminClearVü scanning sonar technology emits two narrow beams,similar to the shape of the beam in a copying machine. Thesebeams provide a clearer, picture-like image of what is beneaththe boat.SideVü Sonar ViewNOTE: Not all models support SideVü sonar and scanningtransducers.NOTE: To receive SideVü scanning sonar, you need acompatible chartplotter and a compatible transducer.SideVü scanning sonar technology shows you a picture of whatlies to the sides of the boat. You can use this as a search tool tofind structures and fish.16 Sonar