NEC VT491 Support Question

Find answers below for this question about NEC VT491 - SVGA LCD Projector.
Need a NEC VT491 manual? We have 7 online manuals for this item!

NEC Overview Questions Manuals Reviews Videos Research

Question posted by walterschrassjr on October 15th, 2014

Lamp On / Off

I have an NEC model VT491 which will turn on ok but after 5 or 10 minutes the lamp will go out.After a few minutes off the lamp can be lit again. I can't find any solutions in the manual.

I Know the Answer!

I have the same question
Request More Information

Current Answers

There are currently no answers that have been posted for this question.
Be the first to post an answer!

Remember that you can earn up to 1,100 points for every answer you submit. The better the quality of your answer, the better chance it has to be accepted.

Related NEC VT491 Manual Pages

NP115 : ceiling plate technical data sheet - Page 1

...: • Includes tie wire for a 3' drop, turn buckles, and fasteners for mounting • Unlimited projector placement above a 2' x 2' or 2' x 4' ...11.5 NPS center threaded fitting and holes for projectors and offers a low-profile, secure solution to instructions provided by the manufacturer. page 1 ...NEC model SCP 100 and shall be done according to complement sleek, lightweight projectors.

NP115 : RS232 codes- Projectors - Page 1

... with a personal computer or another device. Command Descriptions 6. Control Commands for NEC Projector (Basic) Rev 02.03.11a Copyright (C) NEC Display Solutions, Ltd. 2002-2010 Updated on February 3, 2011 This file contains information about NEC projector control commands. Interface Conditions 4. Model Name GT60 : GT5000/GT6000 Series GT50 : GT1150/GT2150 Series HT : HT1000...

NP115 : RS232 codes- Projectors - Page 10

... REQUEST 078-6. BASE MODEL TYPE REQUEST 305-3. WXGA MODE SETTING SET 050. GAIN PARAMETER REQUEST 2 077. POWER ON 016. LAMP INFORMATION REQUEST 4 038. REMOTE KEY CODE 060. RUNNING STATUS REQUEST 078-3. AUTO ADJUST EXECUTE2 305-1. GAIN ADJUST 030-2. SETTING REQUEST 078-2. MIRROR COVER STATUS REQUEST 079. PROJECTOR INFORMATION REQUEST 00H 81H 00H 00H...

NP216 : NP01UCM (ceiling mount) instructions - Page 2

Compatability Chart for NEC Projectors Manufacturer NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC NEC Model HT410 HT510 GT1150 GT2150 GT5000 GT6000 GT6000R GT2000 GT2000R GT950 LT10 LT140 LT84 LT150 LT150z LT75 LT75z LT85 LT154 LT155 LT156 LT157 LT158 LT170 LT180 ...

NP216 : NP01UCM (ceiling mount) instructions - Page 9

...turn (about 75°). WOOD JOIST CEILING SET SCREW CAPTIVE SCREW A PROJECTOR 2 1 PROJECTOR ADAPTER PLATE PROJECTOR... to touch the projector while tightening the set screw (shown below . Visit the NEC Web Site at www.necsam.com 9 of the projector! If not using...loaded captive screw to secure the adapter plate to only use the #10-32 x 3/8" screw (E) (or the thumb screw (D)) opposite the...

VT49/490/590 spec sheet - Page 1

... and patented NEC technologies like ...VT491 and VT590 digital projectors. SAVE MONEY, RESOURCES AND YOUR PROJECTOR. ° The VT Series projectors are extremely affordable. ° Extended lamp life with Eco-mode™ technology that you to adjust lamp...projector ° Cabinet control lock setting enables user to deactivate buttons on cabinet to prevent unwanted changes to automatically turn...

VT49/490/590 spec sheet - Page 2

...Sleep Timer Count down timer can be set to change without notice. NEC Corporation of ownership. All specifications subject to automatically turn off the projector. whatever comes first. Autosense Automatically syncs with location control. F=1.7 to 2.07mm, f=18.9 to 22.7mm (VT491 and VT590) Manual +/-30° SIGNAL COMPATIBILITY/CONNECTIVITY Scan Rate Supported Video Stds SD...

VT491/590/595 IG - Page 1

... Description Type: 3 panel LCD projector, 0.6" p-Si TFT w/MLA Resolution: VT491: 800 x 600 VT590/VT595: 1024x768 Dimensions: 12.1" (W) x 4.4" (H) x 10.2" (D) Power Consumption: 255W (max) Lens Specifications Throw Ratio: 1.5 - 1.8:1 (for 100" diagonal) Offset Angle: 8.3° - 10.0° (for 100" diagonal) Screen Sizes: 25" - 300" diagonal (4:3) Brightness: VT491: VT590/VT595: 2000...

VT491/590/595 IG - Page 2

... Guide Ceiling Mounted and Desktop NEC Display Solutions of installation. Distances are in inches. Refer to the table to determine the position of America, Inc. tele degrees 10.2 - 8.5 10.1 - 8.4 10.0 - 8.4 10.0 - 8.4 10.0 - 8.4 10.0 - 8.3 10.0 - 8.3 10.0 - 8.3 10.0 - 8.3 10.0 - 8.3 9.9 - 8.3 9.9 - 8.3 www.necdisplay.com VT491/590/595 Page 2 of the projector and screen. Screen Size...

VT491/590/595 IG - Page 3

... multiply by 25.4. 4.45 NEC Display Solutions of 6 POWER STATUS LAMP EN TER EXIT SELECT VT 480 MENU 10.17 Ventilation 2.26 www.necdisplay.com Zoom Lever Ventilation 12.07 3.27 2.78 Focus lever Ventilation 2.22 2.57 4.76 PUSH 7.41 2.29 0.07 VT491/590/595 Page 3 of America, Inc. Rev 1.3 0.10 ON/STAND BY SOURCE AUTO...

VT491/590/595 IG - Page 4

... PC CONTROL COMPUTER2(DVI-I) IANUDIO IN COMPUTER1 IN VT595 L ++ Rear Foot 0.63 7.32 Rear Foot Lamp 7.72 1.28 (Lens Top) 1.48 0.51 4.40 4.76 Lens Center 0.83 0.75 1.54 1.73 Front Foot 5.75 6.57 3 - NEC Display Solutions of 6 VT491/590/595 Installation Guide Ceiling Mounted and Desktop Cabinet Dimensions (continued) The following drawings show...

VT491/590/595 IG - Page 6

VT491/590/595 Installation Guide Ceiling Mounted and Desktop Input Panel VT595 NEC Display Solutions of 6 Rev 1.3 S-VIDEO IN L PC CONTROL COMPUTER2(DVI-I) INAUDIO IN COMPUTER1 IN R VIDEO IN AUDIO IN ... SOUND MUTE ON 02H 12H 00H 00H 00H 14H SOUND MUTE OFF 02H 13H 00H 00H 00H 15H PROJECTOR INFORMATION REQUEST 00H BFH 00H 00H 01H 02H C2H ERROR STATUS REQUEST 00H 88H 00H 00H 00H 88H ...

VT49/490/491/590/595/695 UM - Page 3

...lamps. CAUTION TO PREVENT SHOCK, DO NOT OPEN THE CABINET. Therefore, it here: CAUTION To turn off main power, be sufficient to the human health and the environment at the minimum level. Doing so can result in accordance with any kind of the LCD..., please follow the guidance of your NEC VT695/VT595/VT590/VT490/VT59/VT49 projector and keep the manual handy for Canada only) This Class ...

VT49/490/491/590/595/695 UM - Page 5

...affected by a qualified NEC service personnel under the projector, or any power cables than the desktop and ceiling mount, otherwise lamp life could decrease dramatically. 10˃ Fire and ...your power supply fits this user's manual. - Serious damage to your eyes could lead to be installed in any way other cables before carrying the projector. • Turn off . • Prevent foreign...

VT49/490/491/590/595/695 UM - Page 6

... together. • Dispose of glass may cause injury. A Lamp Characteristic The projector has a high-pressure mercury lamp as the pieces of its brightness gradually decreases with age. Also repeatedly turning the lamp on and while the POWER indicator is under the projector. Insufficient tightening of its usable life. A lamp has a characteristic that attach the carrying handle to...

VT49/490/491/590/595/695 UM - Page 36

... Power switch. The [Power Off / Are you cannot turn off the main power within 10 seconds of the projector can cause damage to the projector. 28 Immediately after it has been operating. NOTE: Do not turn off the projector for 60 seconds. 3. Projecting an Image (Basic Operation) MENU LAMP STATUS POWER SELECT EXIT ON/STAND BY SOURCE...

VT49/490/491/590/595/695 UM - Page 60

.... 6. Maintenance » Replacing the Lamp After your NEC dealer for lamp replacement. *1 NOTE: Lamp life for 2000*1 hours (up to replace the lamp. Please replace the lamp.] *2 will turn off the glass surface on the lamp housing. Keep finger prints off and go into standby mode after 2000*1 hours (up to maintain optimal projector performance. If this happens, contact...

VT49/490/491/590/595/695 UM - Page 62

... this from your NEC dealer. (2)Secure it snaps into the socket. When the lamp time clock is reset to zero, the LAMP indicator goes out. * VT59 and VT49: 3100 hours (up to 3100* hours in Eco mode) of service, the projector cannot turn on the remote control for ten seconds to reset the lamp clock back...

VT49/490/491/590/595/695 UM - Page 65

...the projector. Displaying an image on or off on process for the changes to owner's manual supplied with the projector) ...LCD screens as described in use Fn + F8 key combinations to a displayable mode and then restart the Macintosh again. For example, NEC laptops use Fn + F3, while Dell laptops use . Refer to your Macintosh for the projector and the PC. When using the projector...

VT49/490/491/590/595/695 UM - Page 75

...other manufacturer's cable? In the space below please describe your projector is used Projector Model number: Serial No.: Date of purchase: Lamp operating time (hours): Lamp Mode: Ⅺ Normal Ⅺ Eco Information on input signal... number of connected equipment Computer Manufacturer: Model number: Notebook PC Ⅺ / Desktop Ⅺ Native resolution: Refresh rate: Video adapter:...