Key facts
Start here

BenQ PB8140/PB8240/PB8250 Digital Projector User's Manual
The document serves as a comprehensive user guide for the BenQ PB8140, PB8240, and PB8250 Digital Projector series. It covers essential topics including safety instructions, setup procedures such as choosing a location and making connections to various devices like laptops and video sources, and detailed operation guides for features like digital keystone correction, zooming, focus, and picture-in-picture mode.
Read onlineAll BenQ PB8250 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
Can I open the cabinet myself?
No, there are no user-serviceable parts inside and you should not open it.
How long must I wait before replacing the lamp?
You must allow the projector to cool for approximately 45 minutes.
What are the operating temperature and humidity limits?
The ambient humidity must be between 10% and 90%, and the temperature must be between 0°C and 35°C.
From: BenQ PB8140/PB8240/PB8250 Digital Projector User's Manual
Can this projector be used for ceiling mounting?
Yes, it is capable of displaying inverted images for ceiling mount installation.
From: BenQ PB8140/PB8240/PB8250 Digital Projector User's Manual
How long should you wait before removing the lamp after use?
Allow the projector to cool for approximately 45 minutes before removing the lamp assembly.
What is the warranty period for the lamp?
The lamp is warranted for 90 days or 500 hours, whichever occurs first.
