EC-4037 Graphic Scientific Calculator (650-0805) Basic Set Up Faxback Doc. # 34420 TO ADJUST THE CONTRAST OF THE DISPLAY 1. Highlight the CONT icon on the Main Menu. 2. Use the arrow keys to make the screen lighter or darker. 3. Press [MENU] to return to the Main Menu. NOTE: The contrast adjustment has a wide range. Do not set the contrast all the way to LIGHT or the display appears blank and the calculator appears to be off. IMPORTANT: If the display remains dim even when you adjust the contrast, you should replace batteries as soon as possible. (IR-08/27/96)