User manual NEC VT70

[. . . ] Portable Projector VT676/VT670/VT575/VT470/VT47 User's Manual Important Information Safety Cautions Precautions Please read this manual carefully before using your NEC VT676/VT670/VT575/VT470/VT47 Projector and keep the manual handy for future reference. Your serial number is located on the bottom of your projector. Record it here: CAUTION To turn off main power, be sure to remove the plug from power outlet. The power outlet socket should be installed as near to the equipment as possible, and should be easily accessible. [. . . ] Using On-Screen Menu NOTE: When "sRGB", "Graphic", "Video" or "Movie" is selected, the brightness decreases slightly when compared to "Presentation". This is not a malfunction. User Adjust (when using User) When selecting user adjustable presetting (User), the submenu will be displayed. To do so, first select "User" and press the ENTER button, and then proceed the following steps. Selecting Base Setting [Base Setting] This feature allows you to use white balance or gamma values as reference data to optimize for various types of images. You can select one of the following five settings. · Presentation · Movie · sRGB · Video · Graphic Selecting Gamma Correction Mode [Gamma Correction] Each mode is recommended for : Dynamic . . . . . . . . . . . . . . . . Creates a high-contrast picture Black Detail . . . . . . . . . . . Emphasizes detail in dark areas of the picture Natural . . . . . . . . . . . . . . . . . . Natural reproduction of the picture Adjusting White Balance [Brightness RGB/Contrast RGB] This allows you to adjust the white balance. Brightness for each color (RGB) is used to adjust the black level of the screen; Contrast for each color (RGB) to adjust the white level of the screen. Adjusting Brightness, Contrast, Sharpness, Color and Hue Brightness . . . . . . . . . . . . . Adjusts the brightness level or the back raster intensity. Adjusts the intensity of the image according to the incoming signal. Controls the detail of the image for Video. Increases or decreases the color saturation level (not valid for RGB). Varies the color level from +/­ green to +/­ blue. This adjustment is only valid for Video and Component inputs (not valid for RGB). 38 5. Using On-Screen Menu ´ Menu Descriptions & Functions [Image] Enabling Auto Keystone [Auto Keystone] This feature allows the projector to detect its tilt and correct vertical distortion automatically. To turn on the Auto Keystone feature, select "On". Correcting Vertical Keystone Distortion Manually [Keystone] You can correct vertical distortion manually from the menu when "Auto Keystone" is turned off. You can save the changes using the Keystone Save feature when you turn off the projector. Saving Vertical Keystone Correction [Keystone Save] This option enables you to save your current keystone settings. Saving your change once affects all sources. The changes are saved when the projector is off. Selecting Aspect Ratio [ Aspect Ratio] Aspect Ratio allows you to select the best Aspect mode to display your source image. You can also display the Aspect Ratio menu by pressing the "ASPECT" button on the remote control. Normal Wide Zoom Cinema Native When 4:3 is selected from the source (i. e. DVD player), the following selections will display: Standard 4:3 Aspect Normal Left and right stretched Wide Zoom Left and right stretched Cinema Native When 16:9 is selected from the source (i. e. [. . . ] Accident, misuse, abuse, neglect, improper ventilation, fire, dust, smoke, water, lightning or other acts of nature, unauthorized product modification, or failure to follow instructions supplied with the product. Repair or attempted repair by anyone other than a NEC Solutions authorized service center. Any shipment of the product (claims must be presented to the carrier). Any other cause which does not relate to a product defect. [. . . ]