NEC NP-PX800X User Manual - Page 38
NEC NP-PX800X Manual
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2. Projecting an Image (Basic Operation) Focus Applicable lens: • PX750U: NP16FL/NP17ZL/NP18ZL/NP19ZL/NP20ZL/NP21ZL • PX700W/PX800X: NP06FL/NP07ZL/NP08ZL/NP09ZL/NP10ZL Use the FOCUS (+) or (−) button on the projector cabinet to obtain the best focus. TIP: To obtain the best focus, perform the following (for fixed installation) Preparation: Warm up the projector for one hour. 1. Use the FOCUS +/− buttons to make sure you obtain the best focus. If you do not, move the projector back and forth. 2. Select the [TEST PATTERN] from the menu and display the test pattern. (→ page 97) 3. Keep pressing the FOCUS − button until the grid of the text pattern is made invisible. 4. Keep pressing the FOCUS + button until you obtain the best focus. If you adjust beyond the best focal point, go back to step 3 and repeat the procedures. 24