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While you're in the Sonar Simulator menu, don't forget to check
Simulate Position if you want to run the sonar and GPS simulators
simultaneously. As you review sonar logs, you can create waypoints
to mark sites you want to revisit.
While the simulator is running, you can switch from one chart log
to another by opening the Sonar Simulator menu and using the
instructions in step 2 to select a different chart.
NOTE
If you turn on the unit before attaching a transducer, it may enter
demo mode. The words "demo mode" flash on the bottom of the
screen and a sonar chart plays much like the simulator. Unlike the
simulator, the demo mode is for demonstration only and will
automatically stop as soon as you turn on the unit with a
transducer attached. The simulator will continue to function
normally.
Stop Chart
If you are running multiple units on a boat or using this unit in a car,
there are times when you may want to turn off the sonar. The Stop
Chart command turns off the sonar and stops the chart from scrolling.
Sonar restarts automatically each time you turn on your unit.
Press
MENU|↓ to STOP CHART|ENT|EXIT.
To turn on sonar and start the chart scrolling again, repeat the step above.
Sonar Menu with Stop Chart command selected.
Surface Clarity
The markings extending downward from the zero line on the chart are
called "surface clutter." These markings are caused by wave action,
boat wakes and temperature inversion among other things.