NEC NP-PA622U User's Manual - Page 37
(6) Optimizing Computer Signal Automatically, Adjusting the Image Using Auto Adjust
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2. Projecting an Image (Basic Operation) ❻ Optimizing Computer Signal Automatically Adjusting the Image Using Auto Adjust Optimizing a computer image automatically. (COMPUTER/BNC(Analog RGB)) Press the AUTO ADJ. button to optimize a computer image automatically. This adjustment may be necessary when you connect your computer for the first time. [Poor picture] [Normal picture] NOTE: Some signals may take time to display or may not be displayed correctly. • If the Auto Adjust operation cannot optimize the computer signal, try to adjust [HORIZONTAL], [VERTICAL], [CLOCK], and [PHASE] manually. (→ page 78, 79) ❼ Turning Up or Down Volume Sound level from the speaker can be adjusted. Increase volume Decrease volume TIP: When no menus appear, the ◀ and ▶ buttons on the projector cabinet work as a volume control. NOTE: • Volume control is not available with the ◀ or ▶ button when an image is enlarged by using the D-ZOOM (+) button or when the menu is displayed. 24