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NEC NP4001/NP4000 6. Maintenance, nCleaning the projector

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6. Maintenance

nCleaning the projector

Cleaning the Cabinet

Refer to the following guide to clean the projector cabinet.

1.Wipe off dust with a clean dampened cloth.

2.Moisten the cloth with warm water and mild detergent and wipe the cabinet.

3.Rinse all detergent from the cloth and wipe the projector again.

CAUTION	To prevent discoloration or fading of the case, do not use abrasive alco-

	hol-based cleaners.

Cleaning the Lens

Refer to the following guide to clean the projector lens.

1.Apply a little optic lens cleaner to a clean, lint free cloth (do not apply the cleaner directly to the lens).

2.Lightly wipe the lens in a circular motion.

CAUTION	Do not use abrasive cleaners or solvents.
	To prevent discoloration or fading, avoid getting cleaner on the projector
	case.

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Contents

Projector Notes Important Information Safety Cautions Important Information Laser Rating CAUTION Disposing of your used product WARNING TO CALIFORNIA RESIDENTS: RF Interference (for USA only) Important Safeguards Installation Place the projector in a horizontal position Fire and Shock Precautions rear Page Remote Control Precautions Lamp Replacement Important Lamp Characteristic Table of Contents Table of Contents 6. MAINTENANCE 7. APPENDIX 8. SPECIFICATIONS 9. TROUBLESHOOTING CHECK LIST 1. Introduction nWhat’s in the Box oIntroduction to the Projector pPart Names of the Projector Page Page Height adjusters Adjust projection height Color wheel cooling vent – do not obstruct Front filter Keep the fan free of dust – clean regularly for qTop Features Page 10 rTerminal Panel Features When connected to the screen through a SC TRIGGER commercially available cable, the screen de ploys automatically on start up of the projector. The screen retracts when the pro sPart Names of the Remote Control Important: Power OFF Power On Insert the supplied batteries taking note of the polarity (+/-)as shown Replace the cover locator (A), and then click locking catch into place (B) Page Page 2. Installation and Connections nSetting Up the Screen and the Projector oSelecting a Location pInstalling or Removing the Optional Lens 2.Installation and Connections 2.Push the LENS RELEASE button all the way in and rotate the lens counterclockwise The existing lens will be disengaged 3. Pull out the existing lens slowly When Installing the Lens into the Projector: 2. Rotate the lens clockwise until you feel it click into place qThrow Distance and Screen Size Page Page THROW DISTANCE FOR NP4000 NP4000 LENS [INCHES] [METERS] B × 0.808 Page rReplacing Color Wheel Page Page 9. Align the lamp cover (A) with the arrow mark on the cabinet and slide it into place 10.Secure the captive screw (B) sMaking Connections Enabling the computer’s external display Page •Daisy chain connection is not possible •When audio equipment is connected, the projector speaker is disabled Component Page tConnecting the Supplied Power Cable 3. Projecting an Image (Basic Operation) nTurning on the Projector 3. Projecting an Image (Basic Operation) Enter oSelecting a Source pAdjusting the Picture Position and Picture Size Page 1. Press the Lens Shift button to bring up the Lens Shift window button to bring up the Lens Shift window Aspect Page qOptimizing an RGB Image Automatically rAdjusting Volume Up and Down sTurning off the Projector Page 4. Convenient Features nTurning Off the Image and Sound oFreezing a Picture pAdjusting the Focus/Zoom Manually qChanging Lamp Mode Press the Lamp Mode button on the remote control to access the Lamp Mode menu From the window, select using ▲or▼. Move the cursor to and press rGetting Information sAdjusting Position/Clock IMPORTANT: Press the Keystone button to display the Keystone window Adjust the Horizontal and Vertical sliding bars using the select ▲▼◄► buttons Keystone Max. +/– 35° approx Max. +/– 40° approx tPreventing the Unauthorized Use of the Projector Cancel Page uUsing the Physical Lock 5. Using On-ScreenDisplay nUsing the Menus Page oMenu Tree Page pMenu Elements qSource Menu Descriptions and Functions rAdjust Menu Descriptions and Functions Aspect Select Aspect Ratio using ◄or► from the list (see page 69) Ratio Overscan Set the Overscan value using ◄or► (see page 72) Aspect Ratio 15:9 Letterbox Page Overscan WXGA Mode (NP4001 only) Noise Select Noise Reduction mode (see page 74) Reduction 3D Y/C Select 3D Y/C Separation mode (see page 74) Noise Reduction 3D Y/C Separation Deinterlace Color Matrix Telecine sDetail Settings Menu Descriptions and Functions Reference Gamma Correction Brightness R Set the Brightness R value to compensate for red light sources Brightness G Set the Brightness G value to compensate for green light sources Brightness B Set the Brightness B value to compensate for blue light sources Contrast R Set the Contrast R value to compensate for red light sources Contrast G Set the Contrast G value to compensate for green light sources Red Increase or decrease the amount of red in the projected output using ◄ and ► Increase or decrease the amount of green in the projected output using ◄ and ► tSetup Menu Descriptions and Functions Keystone Lamp Mode Lamp Select Lamp Interval Menu Mode Language Orientation Select from four projection methods depending on projection site (see page 85) Communication Select Communication Speed Orientation Communication Speed Menu Color Select Display Time Background Security Control Panel Lock DynamicBlack Remote Sensor LAN Settings Standby Mode PC Control DHCP Select either a static IP or DHCP IP setting by selecting the appropriate radio button IP Address Displays the IP address Auto Start Set this item on to enable the projector to power up when AC plug in Range: on or off (see page 93) Power Select the amount of time the projector remains idle before powering Auto Start Note: Power Management Screen Trigger Fan Mode Default Source Select Color System Filter Message uInformation Menu Descriptions and Functions Page Page NP4000 Version Screen: NP4001 Version Screen: Page vReset Menu Descriptions and Functions preset except 6. Maintenance nCleaning the projector 6. Maintenance Please clean filter Lift the projector to Bottom view expose the underside to locate the first filter See the drawing on the right 3. The rear filter can be accessed as shown Clear Filter Hours oReplacing Consumable Parts Insert replacement foam and press down firmly Replace the filter covers by pushing gently in the direction shown Lamps last approximately Ensure the lamp is replaced before performing this operation Page Press the ▲or▼ button to move to the Reset menu and press Enter Clear Lamp confirmation box is dis- played. Select 7. Appendix nUsing the Optional Remote Mouse Receiver (NP01MR) 7. Appendix Note: oTroubleshooting The Power LED The Status LED The Lamp LEDs Page pImage Problems Problem: There is no light from the projector Problem: The lamp goes off Problem: The projector does not respond to the remote control Problem: There is no sound Problem: The sound is distorted qHaving the Projector Serviced 8. Specifications nProjector Specifications 8. Specifications Page Page oCabinet Dimensions pPin Assignments of Mini D-Sub15 Pin Input Connector qCompatible Input Signal List Page "D rPC Control Codes and Cable Connections Page sScreen Trigger tOperation Using HTTP Browser Domain Mail Test Mail PJLink http:// <the projector's IP address> /index.html SETTING Page u15 Pin GPIO Control 9. Troubleshooting Check List 9. Troubleshooting Check List Other In the space below please describe your problem in detail Information on application and environment where your projector is used