Common Problems & Solutions

Problem

Check These Items

Does not turn on

• Check that the power cable is plugged in and that the power button on the projector cabinet or the remote

 

control is on. See pages E-16 and 17.

 

• Ensure that the lamp cover or lamp housing is installed correctly. See page E-30.

 

• Check to see if the projector has overheated or the lamp has reached the end of its usable life. If there is

 

insufficient ventilation around the projector or if the room where you’re presenting is particularly warm, move

 

the projector to a cooler location.

 

 

No picture

• Use the RGB, Video or S-Video button on the remote control or the cabinet to select your source (RGB, Video

 

or S-Video). See page E-18.

 

• Ensure your cables are connected properly.

 

• Use menus to adjust the brightness and contrast. See page E-26.

 

• Remove the lens cap.

 

• Reset the settings or adjustments to factory preset levels using “Factory Default” in the menu. See page E-29.

 

• Enter your registered keyword if the Security function is enabled. See page E-28.

 

 

Image isn’t square to the

• Reposition the projector to improve its angle to the screen. See page E-18.

screen

• Use the Keystone correction function to correct the trapezoid distortion. See page E-19.

 

 

Picture is blurred

• Adjust the focus. See page E-19.

 

• Reposition the projector to improve its angle to the screen. See page E-18.

 

• Ensure that the distance between the projector and screen is within the adjustment range of the lens. See

 

pages E-11 and 12.

 

• 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 condensation on the lens.

 

 

Image is scrolling verti-

• Use the RGB, VIDEO or S-VIDEO button on the remote control or the cabinet to select the source you want to

cally, horizontally or

input.

both

 

 

 

Remote control does

• Install new batteries. See page E-10.

not work

• Make sure there are no obstacles between you and the projector.

 

• Stand within 22 feet (7 m) of the projector. See page E-10.

 

• Make sure that you are in the Projector mode and the PJ button lights in red. If not, press the PJ button. See

 

page E-21.

 

 

Indicator is lit or blink-

• See the Power/Status/Lamp Indicator on page E-32.

ing

 

 

 

Cross color in RGB

• If Auto Adjust is off, turn it on or adjust the image manually with Horizontal / Vertical / Clock / Phase in the

mode

Advanced menu. See page E-29.

 

 

E-33

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NEC VT660K, VT560, VT460K manual Common Problems & Solutions Check These Items, Does not turn on
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VT460K, VT560, VT660K specifications

The NEC VT460K, VT560, and VT660K are part of a renowned line of projectors that stand out for their reliability, performance, and versatility, designed primarily for educational and business environments. Each model offers unique features tailored to meet the diverse needs of users while maintaining high standards of image quality and ease of use.

Starting with the NEC VT460K, this model is characterized by its exceptional portability and lightweight design, making it an ideal choice for on-the-go presentations. It boasts a brightness of 5000 lumens and a native resolution of XGA (1024x768), ensuring clear and vibrant images even in brightly lit rooms. Its lamp life is impressive, with Eco mode extending usage to a remarkable 10,000 hours, minimizing maintenance costs. The VT460K also features a variety of connectivity options, including HDMI and VGA ports, allowing for seamless integration with various devices.

The VT560 offers a step up in terms of resolution and brightness. With a native resolution of WXGA (1280x800) and 5500 lumens of brightness, it is designed for slightly larger venues where image clarity is paramount. The addition of advanced image processing technologies enhances color accuracy and contrast, providing an immersive viewing experience. The VT560 also emphasizes user-friendly features, such as a straightforward menu system and an intuitive remote control, making it accessible for all users, regardless of technical expertise.

Lastly, the VT660K takes performance to the next level with full HD resolution of 1920x1080 and an output of 6000 lumens. This model is particularly suited for high-definition content and large-screen applications, making it ideal for conferences and seminars. The VT660K is equipped with advanced lens shift and zoom capabilities, providing flexibility in installation and setup. Furthermore, it incorporates enhanced networking features, allowing for wireless presentations and remote management, catering to modern business needs.

All three models prioritize energy efficiency and environmental sustainability, with features like eco-friendly modes and low energy consumption. Their robust build quality ensures longevity and consistent performance, confirming NEC’s commitment to producing reliable projection solutions. Whether for classrooms, meeting rooms, or larger auditoriums, the VT460K, VT560, and VT660K deliver outstanding performance and versatility tailored to various presentation needs.
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