How are adjustments made to darken/lighten the display of the GPS 12 series units?
A. After you turn the GPS unit on, wait until the Satellite page appears, then press and hold the rocker pad to the left or right to adjust the contrast. You may also adjust the contrast by pressing the Page button until you reach the Main Menu. Use the rocker pad to highlight Setup Menu and press Enter. Hightlight “System”, and press Enter. Scroll down, highlighting the Contrast bar, press Enter, and then press the rocker pad either left or right to adjust the contrast. Press Enter when you are finished, and then press the Page button to exit the System menu.