BenQ HT2550 User Manual - Page 23

Shutting down the projector 1. Press and a confirmation message will appear prompting you. If you don't respond in a few seconds, the message will disappear. 2. Press a second time. The power indicator flashes orange, the projection lamp shuts down, and the fans will continue to run for approximately 90 seconds to cool down the projector. 3. Once the cooling process finishes, the power indicator becomes a steady orange and fans stop. Disconnect the power cord from the power outlet. • To protect the lamp, the projector will not respond to any commands during the cooling process. • To shorten the cooling time, you can also activate the Quick cooling function. See Quick Cooling on page 32. • Avoid turning on the projector immediately after turning it off as excessive heat may shorten lamp life. • Lamp life results will vary depending on environmental conditions and usage. Direct power off The AC power cord can be pulled out right after the projector is turned off. To protect the lamp, wait about 10 minutes before re-starting the projector. If you attempt to re-start the projector, the fans may run for a few minutes to cool down. In such cases, press POWER again to start the projector after the fans stop and the power indicator turns orange. Operation 23