BenQ PB2250 User Manual

BenQ PB2250 manual cover
Pages 43
Year 2005
Language(s)
English en

BenQ PB2250 Specification

The BenQ PB2250 Projector is a robust display device designed for both professional and educational environments, offering a blend of high performance and versatility. This projector features a native resolution of 1024 x 768 pixels, providing clear and detailed XGA images. Its brightness level reaches up to 2500 ANSI lumens, ensuring vivid and bright projections even in moderately lit rooms. The contrast ratio is set at 2000:1, delivering deep blacks and vibrant colors which enhance the overall image quality.

The PB2250 employs DLP technology, which not only contributes to its compact design but also enhances durability and reduces maintenance needs due to its filter-free design. The lamp life is estimated at around 2000 hours in standard mode, extendable to 3000 hours in economy mode, offering long-term usability and cost-effectiveness. Connectivity options include multiple inputs such as VGA, S-Video, and composite video, which facilitate easy integration with various media sources.

The projector is equipped with a manual zoom and focus lens, ensuring flexibility in placement and screen size adjustment. It features keystone correction capabilities, allowing for distortion-free images even when projecting at an angle. The compact and lightweight design, weighing approximately 2.5 kg, makes it portable and easy to set up in different locations.

This model also supports various aspect ratios including 4:3 and 16:9, making it adaptable to different presentation formats and viewing preferences. The BenQ PB2250 is engineered to deliver reliable performance with a user-friendly interface, suitable for users seeking a dependable projection solution with essential features to enhance their presentation experience.

BenQ PB2250 F.A.Q.

How do I connect my BenQ PB2250 projector to a laptop?

To connect your BenQ PB2250 projector to a laptop, use a VGA or HDMI cable. Connect one end to the laptop's video output port and the other to the projector's input port. Then, select the appropriate input source on the projector.

What should I do if the projector image is blurry?

If the image is blurry, adjust the focus ring on the lens until the image is clear. Also, ensure that the projector is placed at the correct distance from the screen according to the user manual.

How can I reset the lamp timer on my BenQ PB2250 projector?

To reset the lamp timer, go to the projector's menu, navigate to the 'Advanced' settings, select 'Lamp Settings', and choose 'Reset Lamp Timer'. Confirm the reset when prompted.

What is causing the projector to overheat and shut down?

Overheating may be due to blocked air vents or a failing fan. Ensure that the vents are clear of dust and debris, and make sure the fan is operational. Provide adequate ventilation around the projector.

How do I adjust the keystone on the BenQ PB2250 projector?

To adjust the keystone, use the keystone correction buttons on the projector or the remote control. This feature allows you to correct the trapezoidal distortion of the image.

Can I replace the projector lamp myself?

Yes, you can replace the projector lamp yourself. Ensure the projector is unplugged and cooled down. Follow the instructions in the user manual to access and replace the lamp module.

Why is there no sound coming from the projector?

Ensure that the audio cables are properly connected, and the volume is turned up on both the projector and the source device. Check the audio settings in the projector's menu.

How do I clean the projector lens?

Use a soft, lint-free cloth to gently wipe the lens. If necessary, apply a small amount of lens cleaning solution to the cloth. Avoid using paper products or abrasive materials.

What is the recommended maintenance schedule for the BenQ PB2250 projector?

Regular maintenance includes cleaning the air filters every 100 hours of use and checking the lamp condition. Replace the lamp as needed and ensure the projector is operating in a dust-free environment.

How do I update the firmware on my BenQ PB2250 projector?

Check the BenQ website for the latest firmware updates. Download the update file and follow the instructions provided to install it via a USB connection to the projector.