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NEC Vt595 Projector User Manual

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    53
    3. Remove the lamp housing.
    (1)Loosen the two screws securing the lamp housing until the phillips screw\
    driver goes into a freewheelingcondition. The two screws are not removable.
    (2)Remove the lamp housing by holding it.
    6. Maintenance
    NOTE: There is an interlock on this case to prevent the risk of electrical shock. \
    Do not attempt to circumvent this interlock.
    Interlock
    2. Remove the lamp cover.
    (1)Press firmly and slide the lamp cover by 1 cm (0.4 ”)
    •  Do not force to pull the lamp cover
    (2)Push to release two catches on both sides and slide the lamp cover off.
    1
    3
    2
    1 
    						
    							
    54
    6. Maintenance
    6. Connect the supplied power cable, turn on the Main Power switch and turn\
     on the projector.7. Finally, select the menu 
    → [Reset] → [Clear Lamp Hours] to reset the lamp usage hours.
    NOTE: When the lamp exceeds 2100* hours (up to 3100* hours in Eco mode)\
     of service, the projector cannot turn on and themenu is not displayed.If this happens, press the HELP button on the remote control for ten sec\
    onds to reset the lamp clock back to zero.
    When the lamp time clock is reset to zero, the LAMP indicator goes out.
    * VT59 and VT49: 3100 hours (up to 4100 hours in Eco mode).
    5. Reattach the lamp cover.
    (1)Place the lamp cover, aligning it with the guiding line.
    (2)Slide the lamp cover back until it snaps into place.
    4. Install a new lamp housing.
    (1)Insert a new lamp housing until the lamp housing is plugged into the soc\
    ket.
    CAUTION
    Do not use a lamp other than the NEC replacement lamp VT85LP (VT695/VT5\
    95/VT590/VT490) or VT80LP (VT59/VT49).
    Order this from your NEC dealer.
    (2)Secure it in place with the two screws. Be sure to tighten the screws. 
    						
    							
    55
    7. Appendix
    Indicator ConditionProjector Condition Note
    Off
    Blinking light
    Steady light Green
    Orange
    Green
    Orange 0.5 sec On,
    0.5 sec Off
    2.5 sec On,
    0.5 sec Off
    0.5 sec On,
    0.5 sec Off
    The main power is off
    The projector is getting ready to turn on.
    Off Timer is enabled.
    The projector is cooling down.
    The projector is turned on.
    The projector is in Standby. –
    Wait for a moment.
    –
    Wait for a moment.
    –
    –
    Status Indicator
    Indicator Condition
    Projector Condition Note
    Off
    Blinking light
    Steady light Red
    Green
    Orange 1 cycle (0.5 sec On,
    2.5 sec Off)
    2 cycle (0.5 sec On, 0.5 sec Off)
    4 cycle (0.5 sec On, 0.5 sec Off)
    6 cycle (0.5 sec On, 0.5 sec Off) Normal
    Lamp cover error or lamp housing error
    Temperature error
    Fan error
    Lamp error
    Re-firing the lamp (The projector is cool-
    ing down.)
    Cabinet button is locked –
    Replace the lamp cover or lamp
    housing correctly.
    The projector is overheated. Move
    the projector to a cooler location.
    Fans will not work correctly.
    Lamp fails to light. Wait a full
    minute and then turn on again.
    The projector is re-firing.
    Wait for a moment.
    You have pressed cabinet button
    when Cabinet Button is locked.
    Lamp Indicator
    Indicator Condition
    Projector Condition Note
    Off
    Blinking light
    Steady light Normal
    Lamp has reached its end of life. Lamp
    replacement message will be displayed.
    Lamp has been used beyond its limit. The
    projector will not turn on until the lamp is
    replaced.
    Lamp mode is set to Eco mode
    Red
    Red
    Green –
    Replace the lamp.
    Replace the lamp.
    –
    
     Troubleshooting
    This section helps you resolve problems you may encounter while setting \
    up or using the projector.
    Indicator Messages
    Power Indicator
    Over-Temperature Protection
    If the temperature inside the projector rises too high, the over-tempera\
    ture protector will automatically turn off the
    lamp with the STATUS indicator blinking (2-cycle On and Off.)
    Should this happen, do the following:
    •Unplug the power cable after the cooling fans stop.
    • Move the projector to a cooler location if the room where you are presen\
    ting is particularly too warm.
    • Clean the ventilation holes if they are clogged with dust.
    • Wait about 60 minutes until the inside of the projector becomes cool enou\
    gh. 
    						
    							
    56
    7. Appendix
    Common Problems & Solutions (→  Power/Status/Lamp Indicator on page  55.)
    Does not turn on
    Will turn off
    No picture
    Picture suddenly
    becomes dark
    Color tone or hue is
    unusual
    Image isn ’t square to
    the screen
    Picture is blurred
    Image is scrolling
    vertically, horizontally
    or both
    Remote control does
    not work
    Indicator is lit or
    blinking
    Cross color in RGB
    mode •
    Check that the power cable is plugged in and that the power button on th\
    e projector cabinet or the remote
    control is on. ( → pages  19 and  20)
    • Ensure that the lamp cover is installed correctly. ( → page  54)
    • Check to see if the projector has overheated. If there is insufficient v\
    entilation around the projector or if the
    room where you are presenting is particularly warm, move the projector t\
    o a cooler location.
    • Check to see if the lamp usage exceeds 2100* hours (up to 3100* hours :\
     Eco mode). If so, replace the lamp.
    After replacing the lamp, reset the lamp hours used. ( → page  49)
    * VT59 and VT49: 3100 hours (up to 4100 hours in Eco mode)
    • The lamp may fail to light. Wait a full minute and then turn on the power again.
    • Ensure that the Power Management or Off Timer is off. ( → page  46)
    • Use the COMPUTER, the VIDEO or the S-VIDEO button on the remote control \
    to select your source (Computer,
    Video or S-Video). ( → page  22) If there is still no picture, press the button again.
    • Ensure your cables are connected properly.
    • Use menus to adjust the brightness and contrast. ( → page  42)
    • Remove the lens cap.
    • Reset the settings or adjustments to factory preset levels using the [Reset] in the Menu. ( → page  49)
    • Enter your registered keyword if the Security function is enabled. ( → page  31)
    • Be sure to connect the projector and notebook PC while the projector is \
    in standby mode and before turning on
    the power to the notebook PC.
    In most cases the output signal from the notebook PC is not turned on un\
    less connected to the projector
    before being powered up.
    * If the screen goes blank while using your remote control, it may be the \
    result of the computers screen-
    saver or power management software.
    • See also the next page.
    • When one of the following happens, the Lamp mode automatically changes f\
    rom Normal to Eco.
    * When there are no signals  → To return to the Normal mode, select another available source.
    * When the room where you re presenting is particularly warm  → Move the projector to a cooler location, or
    set [Fan Mode] to [High].
    • Check if an appropriate color is selected in [Wall Color]. If so, select an appropriate option. ( → page  44)
    • Adjust [Hue] in [Picture]. ( → page  42)
    • Reposition the projector to improve its angle to the screen. ( → page  23)
    • Use the Keystone correction function to correct the trapezoid distortion\
    . ( → page  25)
    • Adjust the focus. ( → page  24)
    • Reposition the projector to improve its angle to the screen. ( → page  23)
    • Ensure that the distance between the projector and screen is within the \
    adjustment range of the lens.
    (→  page  11 for VT695, page  11 for VT595/VT590/VT490/VT59 and  12 for VT49)
    • Condensation may form on the lens if the projector is cold, brought into\
     a warm place and is then turned on.
    Should this happen, let the projector stand until there is no condensati\
    on on the lens.
    • Use the COMPUTER, the VIDEO or the S-VIDEO button on the remote control \
    to select your source (Computer,
    Video or S-Video). ( → page  22)
    • Adjust the computer image manually with the Horizontal/Vertical in the [Image Options]. ( → page  43)
    • Install new batteries.( → page  8)
    • Make sure there are no obstacles between you and the projector.
    • Stand within 22 feet (7 m) of the projector. ( → page  8)
    • See the POWER/STATUS/LAMP Indicator. ( → page  55)
    • Press the AUTO ADJ. button on the projector cabinet or the remote contro\
    l. ( → page  27)
    • Adjust the computer image manually with Clock/Phase in [Image Options] i\
    n the menu. ( → page  43)
    Problem Check These Items
    For more information contact your dealer. 
    						
    							
    57
    7. Appendix
    If there is no picture, or the picture is not displayed correctly.
    • Power on process for the projector and the PC.
    Be sure to connect the projector and notebook PC while the projector is \
    in standby mode and before turning on
    the power to the notebook PC.
    In most cases the output signal from the notebook PC is not turned on un\
    less connected to the projector before
    being powered up.
    NOTE: You can check the horizontal frequency of the current signal in the projector ’s menu under Information.  If it reads
    “ 0kHz ”, this means there is no signal being output from the computer. (→ page  48 or go to next step)
    • Enabling the computer ’s external display.
    Displaying an image on the notebook PC ’s screen does not necessarily mean it outputs a signal to the projec-
    tor.  When using a PC compatible laptop, a combination of function keys wil\
    l enable/disable the external display.
    Usually, the combination of the  ‘Fn ” key along with one of the 12 function keys gets the external display to\
     come
    on or off.  For example, NEC laptops use Fn + F3, while Dell laptops use Fn + F8\
     key combinations to toggle
    through external display selections.
    • Non-standard signal output from the computer
    If the output signal from a notebook PC is not an industry standard, the\
     projected image may not be displayed
    correctly. Should this happen, deactivate the notebook PC ’s LCD screen when the projector display is in use.
    Each notebook PC has a different way of deactivate/reactivate the local LCD screens as described i\
    n the
    previous step. Refer to your computer ’s documentation for detailed information.
    • Image displayed is incorrect when using a Macintosh
    When using a Macintosh with the projector, set the DIPswitch of the Mac adapter (not supplied with the projec-
    tor) according to your resolution. After setting, restart your Macintosh for the changes to take affect.
    For setting display modes other than those supported by your Macintosh a\
    nd the projector, changing the DIP
    switch on a Mac adapter may bounce an image slightly or may display noth\
    ing. Should this happen, set the DIP
    switch to the 13 ” fixed mode and then restart your Macintosh. After that, restore the DIP switches to a
    displayable mode and then restart the Macintosh again.
    NOTE: A Video Adapter cable manufactured by Apple Computer is needed for\
     a PowerBook which does not have a mini D-Sub
    15-pin connector.
    • Mirroring on a PowerBook
    * When using the projector with a Macintosh PowerBook, output may not be s\
    et to 1024 x 768 unless  “mirror-
    ing ” is off on your PowerBook. Refer to owner ’s manual supplied with your Macintosh computer for mirroring.
    • Folders or icons are hidden on the Macintosh screen
    Folders or icons may not be seen on the screen. Should this happen, sele\
    ct [View]  → [Arrange] from the Apple
    menu and arrange icons. 
    						
    							
    58
    7. Appendix
     Specifications
    This section provides technical information about the VT695/VT595/VT590/\
    VT490/VT59/VT49 projectors performance.
    Model Number VT695/VT595/VT590/VT490/VT59/VT49
    Optical
    LCD Panel VT695: 0.63 p-Si TFT active-matrix with Micro Lens Array
    VT595/VT590/VT490/VT59/VT49: 0.6 p-Si TFT active-matrix with Micro
    Lens Array
    Resolution VT695/VT595/VT590/VT59: 1024  768 pixels* native, up to UXGA with
    Advanced AccuBlend
    VT490/VT49:  800  600 pixels* native, up to UXGA with Advanced
    AccuBlend
    Lens VT695/VT595/VT590/VT490/VT59:  Manual zoom and manual focus
    F1.7 - 2.0   f=18.9 - 22.7 mm
    VT49:  Digital zoom and manual focus
    F1.7     f=22.4 mm
    Lamp VT695: 200 W DC lamp (150W Eco mode)
    VT595/VT590/VT490:  190 W DC lamp (150W Eco mode)
    VT59/VT49:  150 W DC lamp (120W Eco mode)
    Light Output** VT695: 2500 lumens (approx. 75% in Eco mode)
    VT595/VT590/VT490:  2000 lumens (approx. 80% in Eco mode)
    VT59/VT49:  1600 lumens (approx. 80% in Eco mode)
    Contrast Ratio 600: 1 (full white: full black)
    Image Size (Diagonal) VT695/VT595/VT590/VT490/VT59:  21 - 300 inches / 0.5 - 7.6 m
    VT49:  25 - 300 inches / 0.6 - 7.6 m
    Projection Distance VT695: 28 - 424 / 0,7 - 10,7 m
    VT595/VT590/VT490/VT59:  29 - 438 / 0,7 - 11,1 m
    VT49:  35 - 434 / 0,9 - 11,0 m
    Projection Angle VT695/VT595/VT590/VT490/VT59:  Tele: 8.3° - 8.6 °/ Wide: 9.9 ° - 10.3 °
    VT49:  8.4° - 8.7 °
    Keystone Correction +/- 30 ° Vertical (Auto Keystone on VT695/VT595 only)
    Electrical
    Inputs VT695/VT595: 1 RGB/Component (D-Sub 15 Pin), 1 RGB (Digital/Analog) (DVI-
    I 29 Pin, HDCP*** supported), 1 S-Video (DIN 4 Pin), 1 Video (RCA), 1 (L/R)
    RCA Audio, 1 Stereo Mini Audio, 1 PC Control (DIN 8 Pin)
    VT590/VT490/VT59/VT49:  1 RGB/Component (D-Sub 15 Pin), 1 S-Video
    (DIN 4 Pin), 1 Video (RCA), 1 (L/R) RCA Audio, 1 PC Control (DIN 8 Pin)
    Outputs 1  RGB (D-Sub 15 Pin), 1 Stereo Mini Audio (VT695/VT595 only)
    Video Compatibility NTSC, NTSC4.43, PAL, PAL-60, PAL-N, PAL-M, SECAM, HDTV: 1080i, 1080i/50Hz, 720p, 576p, 480p, 480i/60Hz
    Scan Rate Horizontal: 15 kHz to 100 kHz (RGB: 24 kHz or over) Vertical: 50 Hz to 120 Hz
    Video Bandwidth RGB: 80 MHz (-3dB)
    Color Reproduction 16.7 million colors simultaneously, Full color
    Horizontal Resolution NTSC / NTSC4.43/PAL/PAL-M/PAL-N/PAL60: 540 TV lines SECAM: 300 TV lines
    RGB: VT695/VT595/VT590/VT59:  1024 dots (H)768 dots (V),
    VT490/VT49:  800 dots (H)600 dots (V)
    External Control RS232, IR 
    						
    							
    59
    7. Appendix
    Sync Compatibility Separate Sync / Composite Sync / Sync on Green / Sync on Video
    Built-in Speaker VT695/VT595: 5W (monaural)
    VT590/VT490/VT59/VT49:  1W (monaural)
    Power Requirement 100 - 240V AC, 50 / 60 Hz
    Input Current VT695/VT595/VT590/VT490: 3.1 - 1.3A
    VT59/VT49:  2.4 - 1.0A
    Power Consumption VT695: 9W in Standby mode /
    285W in Lamp Normal mode / 220W in Lamp Eco mode
    VT595:  9W in Standby mode /
    270W in Lamp Normal mode / 220W in Lamp Eco mode
    VT590/VT490 : 9W in Standby mode /
    255W in Lamp Normal mode / 205W in Lamp Eco mode
    VT59/VT49:  9W in Standby mode /
    205W in Lamp Normal mode / 170W in Lamp Eco mode
    Mechanical
    Installation Orientation Desktop/Front, Desktop/Rear, Ceiling/Front, Ceiling/Rear
    Dimensions 12.2 (W) 4.4 (H) 10.2 (D)
    309mm (W) 112mm (H) 258mm (D)
    (not including protrusions)
    Weight VT695/VT595: approx. 6.6 lbs / 3.0 kg
    VT590/VT490:  approx. 6.4 lbs / 2.9 kg
    VT59/VT49:  approx. 6.2 lbs / 2.8 kg
    Environmental Considerations Operational Temperatures : 41 ° to 104 °F (5 ° to 40 °C),
    (Eco mode selected automatically at 95 °F to 104 °F/35 °C to 40 °C)
    20% to 80% humidity (non-condensing)
    Storage Temperatures : 14 ° to 122 °F (-10 ° to 50 °C),
    20% to 80% humidity (non-condensing)
    * Effective pixels are more than 99.99%.
    ** This is the light output value (lumens) when the [Preset] mode is set \
    to [High-Bright]. If any other mode is selected as the [Preset] mode, the light output value may drop slight\
    ly.
    *** What is HDCP/HDCP technology? HDCP is an acronym for High-bandwidth Digital Content Protection. High b\
    andwidth Digital Content
    Protection (HDCP) is a system for preventing illegal copying of video \
    data sent over a Digital Visual
    Interface (DVI).
    If you are unable to view material via the DVI input, this does not nece\
    ssarily mean the VT695/VT595
    projector is not functioning properly. With the implementation of HDCP, there may be cases in which
    certain content is protected with HDCP and might not be displayed due to\
     the decision/intention of the
    HDCP community (Digital Content Protection, LLC). 
    						
    							
    60
    Regulations
    VT695/VT595/VT590/VT490/VT49:For United States:
    UL Approved (UL 60950 - 1)
    Meets FCC Class B requirements
    For Canada:
    UL Approved (CSA 60950 - 1)
    Meets DOC Canada Class B requirements
    For Australia/New Zealand:
    Meets AS/NZS CISPR.22 Class B
    For Europe:
    Meets EMC Directive (EN55022, EN55024, EN61000-3-2, EN61000-3-3)
    Meets Low Voltage Directive (EN60950 - 1, TÜV GS Approved)
    VT59:Meets EMC Directive (EN55022, EN55024, EN61000-3-2, EN61000-3-3)
    Meets Low Voltage Directive (EN60950-1, T ÜV GS Approved)
    For additional information visit:
    US :  http://www.necvisualsystems.com
    Europe :  http://www.neceurope.com/
    Global :  http://www.nec-pj.com/
    For information on our optional accessories, visit our website or see ou\
    r brochure.
    The specifications are subject to change without notice.
    7. Appendix 
    						
    							
    61
    7. Appendix
     Cabinet Dimensions
    Although the appearance is slightly different, the VT695, VT595, VT590, VT490, VT59 and VT49 are the same in
    dimensions.
    SELECT
    MENU
    EN TE REXITLAMP
    STATUS
    POWER
    ON/STAND BYAUTO ADJ.
    SOURCE
    ZOOM
    FOCUS
    PUSH
    120.8 (4.8)
    258.3 (10.2)
    65.3 (2.6)
    308.7 (12.2)
    71.35 (2.8)
    83 (3.3)
    S ELE C TE
    N TE REXITL A M P
    S TA TU S
    P O W ERO
    N/S
    TA N D B
    YAU TO  A
    D J.
    S
    O URCE
    AUDIO OUT
    AUDIO IN
    MONITOR OUT (COMP 1)
    COMPUTER 1 IN
    AUDIO IN
    S-VIDEO
    IN
    VIDEO IN PC CTRL
    L
    R
    COMPUTER 2 (DVI-I) IN
    Lens center
    Lens center
    Unit: mm (inch) 
    						
    							
    62
    Mini D-Sub 15 Pin Connector
     Pin Assignments of D-Sub COMPUTER Input Connector
    Signal Level
    Video signal : 0.7Vp-p (Analog)
    Sync signal : TTL level
    5
    14 23 10
    11 12 13 14 15
    69 78
    7. Appendix
    * Only COMPUTER 1 input connector supported on VT695/VT595.
    Pin No. RGB Signal (Analog) YCbCr Signal
    1 Red Cr
    2 Green or Sync on Green Y
    3 Blue Cb
    4 Ground
    5 Ground
    6 Red Ground Cr Ground
    7 Green Ground Y Ground
    8 Blue Ground Cb Ground
    9 No Connection
    10 Sync Signal Ground
    11 No Connection
    12 Bi-directional DATA (SDA)*
    13Horizontal Sync or Composite Sync
    14 Vertical Sync
    15 Data Clock* 
    						
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