Garmin GPSMAP 8000 manual 4

Sonar Frequencies ...................................................................	14
Selecting Frequencies .........................................................	14
Creating a Frequency Preset ..............................................	14
Turning On the A-Scope ..........................................................	14
Selecting the Transducer Type ................................................	14
Sonar Setup .............................................................................	14
Sonar Settings .....................................................................	14
Sonar Noise Rejection Settings ..........................................	15
Sonar Appearance Settings ................................................	15
Sonar Alarm Settings ..........................................................	15
Advanced Sonar Settings ....................................................	15
Transducer Installation Settings ..........................................	15
Sonar Recordings ....................................................................	16
Recording the Sonar Display ..............................................	16
Stopping the Sonar Recording ............................................	16
Deleting a Sonar Recording ................................................	16
Playing Sonar Recordings ...................................................	16
Radar.............................................................................	16
Radar Display Modes ...............................................................	16
Changing the Radar Mode .......................................................	16
Transmitting Radar Signals ......................................................	16
Adjusting the Radar Range ......................................................	16
Tips for Selecting a Radar Range .......................................	16
Zooming In and Out of the Radar Screen ................................	17
Marking a Waypoint on the Radar Screen ...............................	17
Sentry Mode .............................................................................	17
Enabling Timed Transmit ....................................................	17
Setting the Standby and Transmit Times ............................	17
Enabling a Guard Zone .......................................................	17
Defining a Circular Guard Zone ..........................................	17
Defining a Partial Guard Zone .............................................	17
Radar Targeting and MARPA ..................................................	17
MARPA Targeting Symbols ................................................	17
Assigning a MARPA Tag to an Object ................................	17
Viewing Information about a MARPA-tagged Object .....	17
Removing a MARPA Tag from a Targeted Object .........	17
Viewing a List of AIS and MARPA Threats .........................	17
Showing AIS Vessels on the Radar Screen ........................	18
VRM and EBL .....................................................................	18
Showing the VRM and the EBL ......................................	18
Adjusting the VRM and the EBL .....................................	18
Measuring the Range and Bearing to a Target Object ...	18
Radar Overlay ..........................................................................	18
Radar Overlay and Chart Data Alignment ...........................	18
Showing the Radar Overlay ................................................	18
Stopping the Transmission of Radar Signals ...........................	18
Optimizing the Radar Display ..................................................	18
Radar Gain and Clutter .......................................................	18
Adjusting Gain on the Radar Screen Automatically .......	18
Adjusting Gain on the Radar Screen Manually ..............	19
Minimizing Nearby Large-Object Interference ................	19
Minimizing Side-Lobe Interference on the Radar
Screen ............................................................................	19
Adjusting Sea Clutter on the Radar Screen
Automatically ..................................................................	19
Adjusting Rain Clutter on the Radar Screen ..................	19
Reducing Cross Talk Clutter on the Radar Screen ........	19
Radar Display Settings ........................................................	19
Radar Appearance Settings ................................................	19
Front-of-Boat Offset ............................................................	20
Measuring the Potential Front-of-Boat Offset .................	20
Setting the Front-of-Boat Offset .....................................	20
Autopilot.......................................................................	20
Autopilot Screen .......................................................................	20
Engaging the Autopilot .............................................................	20

Adjusting the Heading with the Helm ..................................	20
Adjusting the Heading with the Chartplotter in Step Steering
Mode ...................................................................................	20
Adjusting the Heading with the Chartplotter in Rudder
Steering Mode .....................................................................	20
Autopilot Settings .....................................................................	20
Selecting the Steering Mode ...............................................	20
Adjusting the Step Steering Increment ...........................	20
Setting the Power Saver .....................................................	20
Enabling Shadow Drive .......................................................	21
Adjusting Shadow Drive Sensitivity ................................	21
Direction Control .................................................................	21
Enabling Direction Control ..............................................	21
Using Direction Control ..................................................	21
Steering Patterns .....................................................................	21
Following the U-Turn Pattern ..............................................	21
Setting Up and Following the Circles Pattern ......................	21
Setting Up and Following the Zigzag Pattern ......................	21
Following the Williamson Turn Pattern ................................	21
Following an Orbit Pattern ...................................................	21
Setting Up and Following the Cloverleaf Pattern ................	21
Setting Up and Following a Search Pattern ........................	21
Cancelling a Steering Pattern .............................................	21
Sailboat Autopilot Operation ....................................................	21
Wind Hold ............................................................................	21
Setting the Wind Hold Type ............................................	22
Engaging Wind Hold .......................................................	22
Engaging Wind Hold from Heading Hold ........................	22
Adjusting the Wind Hold Angle with the Autopilot ..........	22
Tack and Gybe ....................................................................	22
Tacking and Gybing from Heading Hold ........................	22
Tacking and Gybing from Wind Hold ..............................	22
Setting a Tack and Gybe Delay ......................................	22
Enabling the Gybe Inhibitor ............................................	22
Digital Selective Calling..............................................	22
Networked Chartplotter and VHF Radio Functionality .............	22
Turning On DSC ......................................................................	22
DSC List ...................................................................................	22
Viewing the DSC List ..........................................................	22
Adding a DSC Contact ........................................................	22
Incoming Distress Calls ...........................................................	22
Navigating to a Vessel in Distress .......................................	22
Man-Overboard Distress Calls Initiated from a VHF Radio . 23
Man-Overboard and SOS Distress Calls Initiated from the
Chartplotter .........................................................................	23
Position Tracking .....................................................................	23
Viewing a Position Report ...................................................	23
Navigating to a Tracked Vessel ..........................................	23
Creating a Waypoint at the Position of a Tracked Vessel ...	23
Editing Information in a Position Report ..............................	23
Deleting a Position-Report Call ...........................................	23
Viewing Vessel Trails on the Chart .....................................	23
Individual Routine Calls ...........................................................	23
Selecting a DSC Channel ...................................................	23
Making an Individual Routine Call .......................................	23
Making an Individual Routine Call to an AIS Target ............	23
Gauges and Graphs.....................................................	23
Viewing Engine and Fuel Gauges ............................................	24
Changing the Data Shown in a Gauge ................................	24
Customizing Engine Gauge and Fuel Gauge Limits ...........	24
Enabling Status Alarms for Engine Gauges ........................	24
Enabling Some Engine Gauge Status Alarms ....................	24
Selecting the Number of Engines Shown in Gauges ..........	24
Customizing the Engines Shown in Gauges .......................	24
Setting the Fuel Capacity of the Vessel ..............................	24

ii Table of Contents