HP mp2220 Digital Projector - Manual (Page 23)

Turning the projector on and off 23
Turning the projector on
1. Be sure the power cord is connected and the lens cover is removed.
2. Press the power button on the projector or on the remote control.
The projector takes a minute or so to warm up. The power button blinks during warm-up.
TIP: If the picture does not appear on the screen, try the following:
• If you are using a computer, press the key combination that turns on its video output. For
example, press F N +F4 or F N +F5 on some computers.
• On the projector, press the source button one or more times to select the correct input port.
NOTE: It is normal for parts of the projector and the air coming out of the projector to be very
warm. If the projector starts to overheat, the temperature warning light will turn on and the
projector will shut down.