
4-10  Others
1. Functional Inspection
| Keypad button | - All keypad buttons must operate smoothly. | 
| General | - All OSD functions must be checked for functionality. When OSD menu is | 
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 | displayed, there shall be no visible peaking, ringing, streaking, or smearing | 
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 | artifacts on the screen. | 
| Factory Default | - The factory settings (with appropriate centering, size, geometry distortion, | 
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 | etc.) shall be displayed upon “Recall” is selected from OSD | 
| Display Size | - All preset modes shall expand to full screen size using OSD Horizontal and | 
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 | Vertical Size controls | 
Display Data Channel - The purpose of the DDC test is to verify the DDC1/DDC2B operation of the
| (DDC) | projector and to verify Plug & Play function. | 
| Acoustic | - High pitch sound from cooling fan and color wheel is unacceptable. | 
2. Check points for exterior and print pattern
| Check item | Check point | |
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| Text & Pattern | Missing letters & pattern or blurry prints are unacceptable. | |
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| Exterior | Dirt, scrape, water ripples and uneven color are unacceptable. | |
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| Buttons | Stuck buttons are unacceptable. | |
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| Focus ring | Focus ring is functioning smoothly. | |
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| Logo | Missing logo, missing prints and blurry prints are unacceptable | |
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| Screw | All screw sure be fixed and in right type. | |
| Pedestal | ||
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| Lamp Cover | It should be locked in the correct place. | |
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| Plastic Parts | All plastic parts can not be brocken and damaged. | |
| Safety or warning | All safety and warning label should be visible, including all contents. | |
| label | ||
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| Connector | All interface connector should be complete and workable. | |
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| P3150/P3250/P3150 Refresh/P3250 Refresh/P3251 | Confidential | 
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