Garmin GPSMAP 8000 Series, Owner'S Manual

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Your intended heading shows in the center of the Autopilot
screen.
Adjusting the Heading with the Helm
NOTE: You must enable the Shadow Drive feature before
you can adjust the heading using the helm (Enabling Shadow
Drive ™ ).
With the autopilot engaged, manually steer the boat.
The autopilot activates Shadow Drive mode.
When you release the helm and manually maintain a
specific heading for a few seconds, the autopilot resumes a
heading hold at the new heading.
Adjusting the Heading with the Chartplotter in Step
Steering Mode
Before you can steer your boat using the keys at the bottom
of the autopilot screen, you must engage the autopilot
(Engaging the Autopilot).
• 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 Patterns
WARNING
You are responsible for the safe operation of your boat. Do not
begin a pattern until you are certain that the water is clear of
obstacles.
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 Pattern
You can use the u-turn pattern to turn the boat around 180° and
maintain the new heading.
1
From the autopilot screen, select Menu > Pattern Steering >
U-Turn > Engage .
2 Select Engage Port or Engage Starboard .
Setting Up and Following the Circles Pattern
You can use the circles pattern to steer the boat in a continuous
circle, 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 autopilot
to steer one complete circle.
3
Select Engage Port or Engage Starboard .
Setting Up and Following the Zigzag Pattern
You can use the zigzag pattern to steer the boat from port to
starboard and back, over a specified time and angle, across
your 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 Pattern
You can use the Williamson turn pattern to steer the boat
around with the intent of running alongside the location where
the Williamson turn pattern was initiated. The Williamson turn
pattern 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 .
Following an Orbit Pattern
You can use the orbit pattern to steer the boat in a continuous
circle around the active waypoint. The size of the circle is
defined by your distance from the active waypoint when you
begin the orbit pattern.
1 From the autopilot screen, select Menu > Pattern Steering >
Orbit .
2
Select Engage Port or Engage Starboard .
Setting Up and Following the Cloverleaf Pattern
You can use the cloverleaf pattern to steer the boat to
repeatedly pass over an active waypoint. When you begin the
cloverleaf pattern, the autopilot drives the boat toward the active
waypoint and begins the cloverleaf pattern.
You can adjust the distance between the waypoint and the
location where the autopilot turns the boat for another pass over
the waypoint. The default setting turns the boat at a range of
1000 ft. (300 m) from the active waypoint.
1
From the autopilot screen, select Menu > Pattern Steering >
Cloverleaf .
2
If necessary, select Length , and select a distance.
3
Select Engage Port or Engage Starboard .
Setting Up and Following a Search Pattern
You can use the search pattern to steer the boat in increasingly
larger circles outward from the active waypoint, forming a spiral
pattern. When you begin the search pattern, the autopilot drives
the boat to the active waypoint and begins the pattern.
You can adjust the distance between each circle in the spiral.
The default distance between circles is 50 ft. (20 m).
1
From the autopilot screen, select Menu > Pattern Steering >
Search .
2 If necessary, select Search Spacing , and select a distance.
3 Select Engage Port or Engage Starboard .
Cancelling a Steering Pattern
• Physically steer the boat.
NOTE: Shadow Drive must be enabled to cancel a steering
pattern by physically steering the boat.
• Select or to cancel a pattern using step steering mode.
• Select
Standby .
Digital Selective Calling
Networked Chartplotter and VHF Radio
Functionality
If you have a NMEA 0183 VHF radio or a NMEA 2000 VHF
radio connected to your chartplotter, these features are enabled.
• The chartplotter can transfer your GPS position to your radio.
If your radio is capable, GPS position information is
transmitted with DSC calls.
• The chartplotter can receive digital selective calling (DSC)
distress and position information from the radio.
• The chartplotter can track the positions of vessels sending
position reports.
If you have a Garmin NMEA 2000 VHF radio connected to your
chartplotter, these features are also enabled.
• The chartplotter allows you to quickly set up and send
individual routine call details to your Garmin VHF radio.
26 Digital Selective Calling