Canon 455X RE-455X_manual.pdf - Page 37

Projecting white documents If the WHITE PAPER button is pressed when projecting text documents on a white background, this mode automatically adjusts so projection of white parts of a document appear much whiter. If the button is pressed, the WHITE PAPER indicator lights up. If the button is pressed again, the indicator turns off and returns to regular mode. Operation panel POWER LIGHT INPUT SELECT CAMERA RGB IN WHITE BALANCE AUTO MANUAL RED BLUE EXPOSURE WHITE PAPER LOW HIGH The effectiveness may vary depending on the document, including how dark it is. E Adjusting Brightness and Image Contrast If you want to project a black or dark document, or the item being projected is small and has great contrast compared to the background, you may be able to control the brightness (adjust the exposure) by using the EXPOSURE knob to make the image clearer. If the background is white and the subject is dark, sometimes the quality of the image improves if you place it on black paper when projecting it. Turn the knob toward the HIGH side to brighten the image. Turn the Operation panel knob toward the LOW side to darken the image. Use the DETAIL control to adjust image quality. Turn the control toward the HARD side to emphasize the outline of an object. Turn the control towards the SOFT side for a softer outline. EXPOSURE WHITE PAPER E LOW HIGH Brightness may not be adjusted effectively using the EXPOSURE knob if the image is too dark. DETAIL SOFT HARD FO AUTO NE 14