Micro-Portable Projector LT75Z English User’s Manual Deutsch Français Italiano Español Svenska
IMPORTANT INFORMATION Precautions RF Interference Please read this manual carefully before using your NEC LT75Z Projector and keep the manual handy for future reference. Your serial number is located on the bottom of your LT75Z. Record it here: WARNING The Federal Communications Commission does not allow any modifications or changes to the unit EXCEPT those specified by NEC Technologies in this manual. Failure to comply with this government regulation could void your right to operate this equipment.
Important Safeguards CAUTION Do not turn off the main power or unplug the power cable from the wall outlet under any one of the following circumstances. Doing so can cause damage to the projector: • Immediately after the power cable is plugged into the wall outlet (when the POWER indicator has not changed to a steady orange glow). • Immediately after the cooling fan stops working (The cooling fan continues to work for 90 seconds after the projector is turned off with the POWER button).
Lamp Replacement • To replace the lamp, follow all instructions provided on page E-34. • Be sure to replace the lamp when the message "The lamp has reached the end of its usable life. Please replace the lamp." appears. If you continue to use the lamp after the lamp has reached the end of its usable life, the lamp bulb may shatter, and pieces of glass may be scattered in the lamp case. Do not touch them as the pieces of glass may cause injury. If this happens, contact your NEC dealer for lamp replacement.
TABLE OF CONTENTS 1. INTRODUCTION Setup ..................................................................................... E-31 Orientation ...................................................................... E-31 Cinema Position ............................................................. E-31 Background ................................................................... E-31 Signal Select RGB .......................................................... E-31 Signal Select Video/S-Video ...............
1. INTRODUCTION Introduction to the LT75Z Projector Getting Started This section introduces you to your new LT75Z Projector and describes the features and controls. The fastest way to get started is to take your time and do everything right the first time. Take a few minutes now to review the user’s manual. This may save you time later on. At the beginning of each section of the manual you’ll find an overview. If the section doesn’t apply, you can skip it.
What's in the Box? Make sure your box contains everything listed. If any pieces are missing, contact your dealer. Please save the original box and packing materials if you ever need to ship your LT75Z Projector. EN T ER CAN CEL SE LE CT N U NEC LT75Z Projector AU TO AD JU ST ME SO UR CE O ST N / AN DB Y ST AT PO US WE R RG B EO VID S-V M EO ID J.
Getting to Know Your LT75Z Projector Front/Side Features Controls NCEL SE LE CT N U ENTER CA ME AU TO AD JU ST SO UR CE O ST N / AN DB Y ST AT PO US WE R Ventilation (inlet) Adjustable Tilt Foot Adjustable Tilt Foot Button Zoom Ring Focus Ring Remote Sensor Lens Lens Cap Attaching the lens cap to the bottom with the supplied string and rivet 1. Thread the string through the hole on the lens cap and then tie a knot in the string. 2.
Rear/Side Features Monaural Speaker (1W) S TA P TU S O W E R / D N N O TA S B Y PC CO S NT O U RO R C L E A U TO A AU D DIO JU S T ME N VID U EO S S-V IDE T B C RG LE Remote Sensor E ENTER O CA NCEL Ventilation (inlet) Terminals AC IN Ventilation (outlet) Heated air is exhausted from here.
Top Features 2 1 S TU R TA S WE O P 4 / D N N O TA S 5 9 Y B CC 3 8 R C E OL U TR O S ON TO U A D A AU T S JU DIO ME N VID U EO B T RG C O LE ENTER IDE E S S-V CA NCEL 6 7 1. Power Button (ON / STAND BY) Use this button to turn the power on and off when the power is supplied and the projector is in standby mode. NOTE: To turn off the projector, press and hold this button for a minimum of two seconds. 2.
Terminal Panel Features S TU R TA S WE O P 1 / D N N O TA S Y B 2 PC CO NT RO L O S 3 E C R U TO U A 4 T S JU D A AU DIO ME U N 5 VID EO T C LE E S ENTER S-V IDE O RG B CA NCEL AC IN 1. PC Control Port (Mini DIN 8 Pin) Use this port to connect your PC to control your projector via a serial cable. This enables you to use your PC and serial communication protocol to control the projector. The NEC optional serial cable is required to use this port.
Remote Control Features Remote Control 1. Infrared Transmitter Direct the remote control toward the remote sensor on the projector cabinet. 2. Power Button If power is applied, you can use this button to turn your projector on and off. NOTE: To turn off the projector, press and hold the POWER button for a minimum of two seconds. 3 3. Source Buttons Press to select a video source. 5 1 2 RGB 4 VIDEO S-VIDEO POWER AUTO ADJ. MAGNIFY 7 8 4.
Remote Control Battery Installation Operating Range The infrared signal operates by line-of-sight up to a distance of approximately 22 feet (7m) and within a 60-degree angle of the remote sensor. The projector will not function if there are objects between the remote control and the remote sensor on the projector or if strong light falls on the remote sensor. A weak battery will also prevent the projector from operating properly. 1. Push to open the battery cover. 7m 2.
2. INSTALLATION This section describes how to set up your LT75Z projector and how to connect video and audio sources. Setting up Your Projector Your LT75Z Projector is simple to set up and use. But before you get started, you must first: 1. Determine the image size. 2. Set up a screen or select a non-glossy white wall onto which you can project your image. Ensure that the power cable and any other cables connecting to video sources are disconnected before moving the projector.
Distance Chart Lens Center D B α Screen Top Screen Center C Throw Distance C Throw Distance Screen Center B Screen Bottom α D Lens Center B=Vertical distance between lens center and screen center C=Throw distance NOTE: Distances may vary +/-5%.
Wiring Diagram RGB Signal cable (supplied) To mini D-Sub 15-pin connector on the projector. It is recommended that you use a commercially available distribution amplifier if connecting a signal cable longer than the supplied cable. VCR, DVD Player or LaserDisc Player Macintosh (Desktop type or notebook type) To video, S-video, and audio inputs on the projector.
Connecting Your PC or Macintosh Computer IBM VGA or Compatibles (Notebook type) or Macintosh (Notebook type) S TA P TU S O W E R / N O TA S N D B Y PC S CO NT RO L O R U C E A U TO A AU DIO S JU D T ME N VID EO U S-V IDE O S C T RG B LE EN T ER E RGB signal cable (supplied) To mini D-Sub 15-pin connector on the projector. It is recommended that you use a commercially available distribution amplifier if connecting a signal cable longer than the supplied one.
Connecting Your DVD Player DVD player S TA P TU S O W E R / D N N O TA S B Y PC O U R C E A U TO AU DIO A D JU S T N U S-V IDE O LE EN T ER E C RG B T L ME VID EO DIO S R S CO NT RO L AU AU DIO Co m Y pon Cb ent Cr VID EO CAN RG BI S-V IDE O CEL NP UT RG B Optional 15-pin-to-RCA (female)⳯3 cable (ADP-CV1) Component video cable RCA⳯3 (not suplied) Audio Equipment AU R DIO L Audio cable (not supplied) You can connect your projector to a DVD player with component outpu
Connecting Your VCR or Laser Disc Player VCR/Laser disc player S TA P TU S O W E R / D N N O TA S B Y PC S CO NT RO L O U R C E A U TO A AU DIO D JU S T ME N VID U EO S S-V IDE O LE C T EN T ER E RG B CAN CEL VID AU DIO L EO VID EO S-V S-V IDE O R S-video cable (not supplied) IDE O RG B Audio equipment Video cable (not supplied) VID L EO R Document camera Audio cable (not supplied) Use common RCA cables (not provided) to connect your VCR, laser disc player or documen
About Startup screen (Menu Language Select screen) When you first turn on the projector, you will get the Startup screen.This screen gives you the opportunity to select one of the seven menu languages: English, German, French, Itilan, Spanish, Swedish and Japanese. To select a menu language, follow these steps: 1. Use the ▲ or ▼ buttons to select one of the seven languages for the menu. Menu Language Select Please select a menu language. English Wählen Sie bitte die Menü Sprache aus.
3. OPERATION Connecting the Power Cable and Turn on the Projector Before you turn on your projector, ensure that the computer or video source is turned on and that your lens cap is removed. 1 NOTE: Do not disconnect the power cable during this time. Then, unplug the power cable. The power indicator will go out. CA S E LE C N C EL T Connect the supplied power cable to the projector.
Press the Source button on the remote control or the projector cabinet to select “Video” (VCR, document camera, or laser disc player), S-Video” or “RGB” (computer or DVD with component output). Or press the “Menu” button on the remote control or the cabinet and use the menu to select your video source: “Video”, “SVideo” or “RGB” . NOTE: If no input signal is available, the projector will display a blue background (factory preset).
Adjusting the Tilt Foot 1) Lift the front edge of the projector. 2) Press the Tilt button on the top of the projector to extend the adjustable tilt foot (maximum height). Adjusting the Image Using Auto Adjust The Auto Adjust function automatically optimizes the image in RGB mode. [Poor picture] EN T ER CAN CEL LE CT N U SE 1 AU TO ME AD JU ST SO UR CE O STA N / ND BY 2 PO WE STA R TU S 1 [Normal picture] 3) Press and hold the Tilt button.
Using the Menus Enlarging and Moving a Picture You can enlarge the area you want up to 400 percent. To do so: Adjust the image size up to 400 percent. 1. Press the “Menu” button on the remote control or the projector cabinet to display the Menu. 2. Press the ▲▼ buttons on the remote control or the projector cabinet to highlight the menu for the item you want to adjust or set. MAGNIFY 3. Press the 䊳 button or the “Enter” button on the remote control or the projector cabinet to select a submenu or item.
MENU Tree Basic/Advanced Menu Sub Menu Basic Menu RGB Source Select Video Picture S-Video Volume Image Options Projector Options Picture Brightness 0 Contrast 0 Color 0 Source Select Hue 0 Picture Sharpness 0 Information Advanced Menu Volume Image Options Color Management Volume 0 Projector Options Items (Toutes) Information Normal/Eco Keystone Lamp Mode Aspect Ratio Position/Clock Resolution Video Filter Advanced Options Factory Default Normal/Zoom/Wide Zoom/Cinema Horizontal/V
Menu Elements Title bar Tab Setup Page1 Highlight Page2 Orientation Page3 Page4 Desktop Front Cinema Position Top Background Logo Solid triangle Slide ber Picture Menu Menu mode Basic Language English Source Display On Off No Input Display On Off Volume Bar On Off Keystone Bar On Off Menu Display Time Brightness 0 Contrast 0 Color 0 Hue 0 Sharpness 0 Auto 45 Sec Radio button ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
Menu Descriptions & Functions Volume Adjusts the sound level of the projector. Source Select RGB Volume Video 0 S-Video Enables you to select a video source such as a VCR, DVD player, laser disc player, computer or document camera depending on what is connected to your inputs. Press the “Select” button on the projector cabinet or ▲▼ buttons on your remote control to highlight the menu for the item you want to adjust. NOTE: You can display the volume bar without opening the menu.
Aspect Ratio: Lamp Mode Aspect Ratio Lamp Mode Normal Normal Eco Zoom Wide Zoom Cinema This feature enables you to select two brightness mode of the lamp: Normal and Eco modes. The lamp life can be extended up to 1500 hours by using the Eco mode. Aspect Ratio allows you to select the best Aspect mode to display your source image. You can also display the Aspect Ratio window by pressing the “Aspect” button on the remote control. (See page E-12). Normal Mode ..............
Position/ Clock (when Auto Adjust is off): Video Filter (when Auto Adjust is off): Video Filter Position/Clock Horizontal Vertical 100 On 50 Clock 800 Phase 50 This function reduces video noise. On ................ The low-pass filter is applied. Off ................ The low-pass filter is not applied. This allows you to manually adjust the image horizontally and vertically, and adjust Clock and Phase.
Color Management Projector Options Gamma Correction Menu White Balance Setup Menu Gamma Correction (Advanced mode) Menu Gamma Correction Normal Natural1 Natural2 Use the 䊴 or 䊳 button to choose "Normal" when in a lighted room and "Natural 1&2" when in a darkened room. "Natural 1" for better flesh tone; "Natural 2" for true reproduction of middle tones.
[Keystone Bar] This option is avaiable on the optional presentaion remote control (PR51KIT) only. This option turns on or off the keystone bar when you adjust the keystone using KEYSTONE +/- button on the optional presentation remote control. Setup Enables you to set operating options. [Page1] Setup Page1 On ................ You can increase or decrease the level with the keystone bar on screen. Off ................ You can increase or decrease the level without having to use the keystone bar.
[Page 4] (Advanced mode) [Page 3] (Advanced mode) Setup Setup Page1 Page2 Page1 Page2 Page3 Page4 Page3 Page4 Auto Adjust On Off Auto Start On Off Power Management On Off Communication Speed 19200bps Power Off Confirmation On Off Control Panel Key Lock Unlocked Keystone Save On Off Clear Lamp Hour Meter White Segment On Off Default Source Select Default Source [Auto Adjust] When “Auto Adjust” is set to “On”, the projector automatically determines the best resolution for th
[Conrol Panel Key Lock] To unlock the cabinet buttons: 1) Use the Select ▲ or ▼ button on the remote control to select “Control Panel Key Lock” and press the ENTER button on the remote control. The submenu will be displayed.
4. MAINTENANCE This section describes the simple maintenance procedures you should follow to replace the lamp. 4 Insert a new lamp housing until the lamp housing is plugged into the socket. Replacing the Lamp CAUTION: Do not use a lamp other than the NEC replacement lamp (LT51LP). Order this from your NEC dealer. After your lamp has been operating for 1000 hours (1500 hours: Eco mode) or longer, the “Status” indicator in the cabinet will go on and the message will appear.
5. TROUBLESHOOTING This section helps you resolve problems you may encounter while setting up or using the projector. Power/Status Light Messages Condition Power Indicator Status Indicator Note Standby Steady orange – – Cooling down Blinking green – Blinks green for 90 seconds Lamp in Normal mode Steady green – – Lamp in Eco mode Steady green Steady green – Retrying to turn on lamp Steady green Blinking orange The projector retries 3 times at an interval of 15 sec for max.
6. SPECIFICATIONS This section provides technical information about the LT75Z Projector's performance Model Number LT75Z Optical DMD™ Single Chip Digital Micromirror Device(DMD™), 800⳯600 dots Lens Manual Zoom, Manual focus: F2.6 – 2.8 f = 28.3 – 34.0 mm Lamp 135W NSH lamp (The lamp is warranted for 1000 hours of operation time within 6 months.) Image Size 30 - 200 inches (0.8 - 5.1 m) diagonal Projection Distance 4.13 - 32.97ft (1.26 - 10.
Cabinet Dimensions STATUS POWER AUDIO VIDEO S-VIDEO RGB NT ON/ STAND BY CA ER E PC CONTROL SOURCE NC EL AUTO ADJUST SELECT 196 (7.7) MENU 238 (9.4) 243 (9.6) 43.5 (1.7) Lens center Lens center 53 (2.1) 29.5 (1.16) 8 (0.
D-Sub Pin Assignments Mini D-Sub 15 Pin Connector 5 4 3 2 1 10 9 8 7 6 15 14 13 12 11 Pin No. Signal Level Video signal : 0.
Compatible Input Signal List Signal # # # # # # # # # # # # # # # # # # # # # # # # # # # NTSC PAL SECAM VESA IBM MAC MAC MAC VESA VESA IBM VESA IBM VESA IBM IBM VESA VESA VESA VESA VESA MAC VESA VESA VESA MAC VESA VESA VESA MAC SUN SGI VESA VESA MAC HP SUN VESA VESA HDTV (1080i)(1125i) HDTV (1080i)(1125i) HDTV (720p)(750p) SDTV (480p)(525p) SDTV (480i)(525i) VESA VESA VESA VESA Resolution ( Dots ) 640 640 640 640 640 640 640 640 640 720 720 720 720 800 800 800 800 800 832 1024 1024 1024 1024 1024 1024
PC Control Codes Cable Connection Function Code Data POWER ON 02H 00H 00H 00H 00H 02H POWER OFF 02H 01H 00H 00H 00H 03H INPUT SELECT RGB 02H 03H 00H 00H 02H 01H 01H 09H INPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EH Communication Protocol Baud rate: 19200 bps Data length: 8 bits Parity: No parity Stop bit: One bit X on/off: None Communications Full duplex procedure: INPUT SELECT S-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13H PICTURE MUTE ON 02H 10H 00H 00H 00H 12H PICTURE MUTE OFF 02H 11H 00H
