Garmin GPSMAP 7400 Owner's Manual

Also see for GPSMAP 7400 Series: Owner's manual Owner's manual Installation insrtuctions Installation instructions Owner's manual

Contents

Garmin GPSMAP 7400 Owner's Manual Manual pdf 42 page image

When the chartplotter is connected to a compatible Garminautopilot system, you can engage and control the autopilot fromthe chartplotter.For information about compatible Garmin autopilot systems, goto www.garmin.com.Opening the Autopilot ScreenBefore you can open the autopilot screen, you must have acompatible Garmin autopilot installed and configured.Select A/V, Gauges, Controls > Autopilot.Autopilot ScreenÀ Actual headingÁ Intended heading (heading the autopilot is steering toward)Â Actual heading (when in standby mode)Intended heading (when engaged)Ã Rudder position indicator (This functionality is available only when arudder sensor is connected.)Adjusting the Step Steering Increment1 From the Autopilot screen, select Menu > Autopilot Setup >Step Turn Size.2 Select an increment.Setting the Power SaverYou can adjust the level of rudder activity.1 From the autopilot screen, select Menu > Autopilot Setup >Power Mode Setup > Power Saver.2 Select a percentage.Selecting a higher percentage reduces rudder activity andheading performance. The higher the percentage, the morethe course deviates before the autopilot corrects it.TIP: In choppy conditions at low speeds, increasing thePower Saver percentage reduces rudder activity.Enabling Shadow Drive™NOTE: The Shadow Drive feature is available only on hydraulicsteering systems.From the autopilot screen, select Menu > Autopilot Setup >Shadow Drive > Enabled.Autopilot Overlay BarÀ Actual headingÁ Intended heading (heading the autopilot is steering toward)Â Actual heading (when in standby mode)Intended heading (when engaged)Engaging the AutopilotWhen you engage the autopilot, the autopilot takes control of thehelm and steers the boat to maintain your heading.From any screen, select Engage.Your intended heading shows in the center of the Autopilotscreen.Adjusting the Heading with the HelmNOTE: You must enable the Shadow Drive feature before youcan adjust the heading using the helm (Enabling ShadowDrive™, page 34).With the autopilot engaged, manually steer the boat.The autopilot activates Shadow Drive mode.When you release the helm and manually maintain a specificheading for a few seconds, the autopilot resumes a headinghold at the new heading.Adjusting the Heading with the Chartplotter in StepSteering ModeBefore you can steer your boat using the keys at the bottom ofthe autopilot screen, you must engage the autopilot (Engagingthe Autopilot, page 34).• Select <1° or 1°> to initiate a single 1° turn.• Select <<10° or 10°>> to initiate a single 10° turn.• Hold <1° or 1°> to initiate a rate-controlled turn.The boat continues to turn until you let go of the key.• Hold <<10° or 10°>> to initiate a sequence of 10° turns.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.34 Autopilot