Руководство По Работе для Lowrance 7000c

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Reset Options command, left, and the Reset Options Menu, right.

Require DGPS

You can force the GlobalMap 7000C to require DGPS for reporting a
valid position. (The default setting, off, uses DGPS automatically when
an optional DGPS beacon receiver is connected. However, this auto
mode doesn't 

require DGPS reception to yield a position.) Here's how to

turn 

mandatory DGPS on and off.

1. Press 

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↓ to 

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↓ to 

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.

2. To return to the last page displayed, press 

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.

3. You can return to this command and press 

 again to turn the fea-

ture off.

Require DGPS command on the GPS Setup Menu.

Screen Contrast and Brightness

To access the Screen menu, press 

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.