Garmin GPSMAP 8530 Black Box - Manual (Page 16)

4 Select an option:
• To navigate the track from the starting point used when
the track was created, select Forward.
• To navigate the track from the destination point used
when the track was created, select Backward.
5 Review the course indicated by the colored line.
6 Follow the line along each leg in the route, steering to avoid
land, shallow water, and other obstacles.
Deleting a Saved Track
1 Select Info > User Data > Tracks > Saved Tracks.
2 Select a track.
3 Select Select > Delete.
Deleting All Saved Tracks
Select Info > User Data > Clear User Data > Saved
Tracks.
Retracing the Active Track
The track currently being recorded is called the active track.
1 Select Info > 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 Track
Select Info > User Data > Tracks > Clear Active Track.
The track memory is cleared, and the active track continues
to be recorded.
Managing the Track Log Memory During Recording
1 Select Info > 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, select
Fill.
• To continuously record a track log, replacing the oldest
track data with new data, select Wrap.
Configuring the Recording Interval of the Track Log
You can indicate the frequency at which the track plot is
recorded. Recording more frequent plots is more accurate but
fills the track log faster. The resolution interval is recommended
for the most efficient use of memory.
1 Select Info > User Data > Tracks > Active Track Options >
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 your
course, select Resolution > Change, and enter the
maximum error allowed from the true course before
recording a track point.
Deleting All Saved Waypoints, Routes, and
Tracks
Select Info > User Data > Clear User Data > All > OK.
Sonar
When properly connected to an optional Garmin sounder
module and a transducer, your compatible chartplotter can be
used as a fishfinder. There are three different sonar views to
help you view the fish in the area: a full-screen view, a split-
zoom view, and a split frequency view.
Changing the Sonar View
1 From a Sonar view, select Menu > Sonar Menu > Change
Sonar.
2 Select a Sonar view.
Pausing the Sonar Display
From a Sonar view, select Menu > Sonar Menu > Pause
Sonar.
Creating a Waypoint on the Sonar Screen
1 From a Sonar view, select Menu > Sonar Menu > Pause
Sonar.
2 Select the location of the waypoint.
3 Select New Waypoint.
Adjusting the Gain on the Sonar Screen
You can control the sensitivity of the sonar receiver. To see
more detail, increase the gain. If the screen is cluttered,
decrease the gain.
1 From a Sonar view, select Menu > Sonar Menu > Gain.
2 Select an option:
• To increase or decrease the gain manually, select Up or
Down.
• To allow the chartplotter to adjust the gain automatically,
select an automatic option.
Adjusting the Range of the Depth Scale
You can adjust the range of the depth scale that appears on the
right side of the screen.
1 From a Sonar view, select Menu > Sonar Menu > Range.
2 Select an option:
• To allow the chartplotter to adjust the depth scale
automatically, select Auto.
• To increase or decrease the range of the depth scale
manually, select Up or Down.
TIP: From the sonar screen, you can select or to
manually adjust the range of the depth scale.
Setting the Zoom Level on the Sonar Screen
1 From a Sonar view, select Menu > Sonar Menu > Zoom.
2 Select an option:
• To zoom in on the sonar data from the bottom depth,
select Bottom Lock.
• To set the depth range of the magnified area manually,
select Set Zoom, select View Up or View Down to set
the depth range of the magnified area, and select Zoom
In or Zoom Out to increase or decrease the magnification
of the magnified area.
• To set the depth and zoom automatically, select Set
Zoom > Auto.
Selecting Frequencies
You can indicate which frequencies appear on the sonar screen
when using a dual frequency transducer.
10 Sonar