Magellan 760 参考手册

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Select the desired color scheme.

When you have finished, select Save.

Contrast determines the level of difference between light and dark colors.

Select Contrast.

Select the left arrow to decrease the amount of contrast, or select the right arrow to increase the 
amount of contrast. When you are finished, select Save.

Brightness determines the lightness level of the display.

Select Contrast.

Select the left arrow to decrease the amount of brightness (make the display darker), or select 
the right arrow to increase the amount of brightness (make the display lighter). When you are 
finished, select Save.