Replacing the lamp

• Hg - Lamp contains mercury. Manage in accordance with local disposal laws. See www.lamprecycle.org.

•To reduce the risk of electrical shock, always turn the projector off and disconnect the power cord before changing the lamp.

•To reduce the risk of severe burns, allow the projector to cool for at least 45 minutes before replacing the lamp.

•To reduce the risk of injuries to fingers and damage to internal components, use caution when removing lamp glass that has shattered into sharp pieces.

•To reduce the risk of injuries to fingers and/or compromising image quality by touching the lens, do not touch the empty lamp compartment when the lamp is removed.

•This lamp contains mercury. Consult your local hazardous waste regulations to dispose of this lamp in a proper manner.

•To assure optimal performance from the projector, it is recommended that you purchase a qualified projector lamp for lamp replacement.

•If lamp replacement is performed while the projector is suspended upside-down from the ceiling, make sure that no one is underneath the lamp socket to avoid any possible injury or damage to the human eyes caused by fractured lamp.

1.Turn the power off and disconnect the projector from the power outlet. If the lamp is hot, avoid burns by waiting for approximately 45 minutes until the lamp has cooled.

2. Protect the projector's surface by clearing a flat open area on your desk and placing a soft item on the desk for padding.

3. Turn the projector over. Then loosen the screws on the lamp cover.

4.Remove the lamp cover from the projector.

• Do not turn the power on with the lamp cover removed.

• Do not insert your fingers between the lamp and the projector. The sharp edges inside the projector may cause injuries.

54 Maintenance

MP515 ST, MP525 ST specifications

The BenQ MP525 ST and MP515 ST are innovative projectors designed to deliver high-quality visuals for both educational and business environments. With a blend of advanced technologies and user-friendly features, these projectors offer exceptional performance.

Starting with the core characteristics, both models boast DLP (Digital Light Processing) technology, which ensures sharp images with vibrant colors and excellent contrast ratios. The native resolution of these projectors is XGA (1024 x 768), suitable for detailed presentations and videos. The brightness level for the MP525 ST is typically around 2500 ANSI lumens, providing sufficient illumination for well-lit environments. The MP515 ST, while slightly less bright, still delivers adequate performance for dimly lit rooms, making both models versatile for various settings.

One of the standout features of the BenQ MP525 ST is its short-throw projection capability, allowing users to display large images from a short distance. This is particularly beneficial in smaller rooms where space is limited as it minimizes shadows and enables presenters to stay close to their audience. The throw ratio is approximately 0.6:1, meaning it can project a large image within just a few feet from the screen.

Both projectors come equipped with a comprehensive connectivity suite, including HDMI, VGA, S-Video, and composite video inputs, ensuring compatibility with a wide range of devices such as laptops, DVD players, and gaming consoles. They also feature built-in speakers that deliver clear audio without the need for external sound systems, making them convenient for quick setups.

In terms of usability, the BenQ MP525 ST and MP515 ST are designed with user-friendly interfaces and remote controls. They include features like keystone correction to help adjust the image shape, ensuring perfect alignment even when the projector is angled. Additionally, the projector’s lamp life is impressive, reaching up to 4000 hours in economic mode, which reduces the need for frequent replacements and lowers operational costs.

In conclusion, the BenQ MP525 ST and MP515 ST projectors are excellent choices for educators and presenters who require flexibility, quality, and ease of use in their projection equipment. With their advanced DLP technology, short-throw capabilities, and versatile connectivity options, these models cater to diverse presentation needs while ensuring that every image is displayed with clarity and impact.