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Adjusting Display Brightness and Contrast on the eTrex Venture
Turning on the Backlight on the eTrex Venture® Outdoor Handheld
Quickly press and release the POWER button.
Setting the Timeout and Adjusting the Contrast
Press PAGE until the Main Menu page appears.
Use the THUMBSTICK to highlight 'Setup' and then press it in to select it.
Use the THUMBSTICK to highlight 'Display' and then press it in to select it.
Use the THUMBSTICK to highlight and select 'Backlight Timeout' or the 'Contrast' slider and make any desired adjustments.