Eagle 640c 用户手册

92

Reset Options

To reset all features to their factory defaults:

1. Press 

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↓ to 

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↓ to 

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to 

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NOTE:

Reset Options does not erase any waypoints, routes, icons or plot trails.

System Menu with Reset Options command selected.

Require WAAS

You can choose to have WAAS signals automatically factored into every
position reading. The default setting, Off, uses WAAS automatically,
but does not require it to yield a position.

To Require WAAS:

1. Press 

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↓ to 

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↓ to 

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2. To return to the main page display, press 

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3. Repeat Step 1 to turn off WAAS requirement.

Require WAAS command on the GPS Setup Menu.