HP sb21 HP Digital Projectors xb31 and sb21 - (European English) Owner Manual - Page 14

operation Turning the projector ON and OFF Turning the projector ON xb31 sb21 1. Remove the lens cap
by squeezing the cap's tabs and pulling forward. 2. Ensure that the power cord and signal cables are securely connected to the projector and the signal source (computer, notebook, video player, etc.). 3. Turn the projector ON by pressing the Power ON/OFF button on the control panel.  • The cooling fan turns on. • The hp start-up screen will be displayed for 30 seconds and the blue Power Indicator Light will light up. 4. Turn on your signal source. The projector will detect your source automatically. • If the screen displays "Waiting for Signal" make sure the signal cables are securely connected. • If multiple signal sources are connected, use the "Source" button on the Remote Control or Control Panel to switch to the desired input. • When the Lamp Indicator Light  is ON, replace the lamp. • When the Temp Indicator Light  is ON, it indicates that the projector has overheated. The projector's lamp will automatically turn OFF. Press the "Power ON/OFF" button and allow the projector to complete its cooldown cycle. Then you can restart the projector and continue your presentation. If the problem persists, contact hp support: (www.hp.com/support/digitalprojectors). • When the Temp Indicator Light  FLASHES, the projector has detected a failure in the cooling system. Press the "Power ON/OFF" button and allow the projector to complete its cool-down cycle. Contact hp support: (www.hp.com/support/digitalprojectors). Turning the projector OFF 1. Press the Power ON/OFF button. The projector lamp will turn off and the cooling fan will run for the duration of the cool-down cycle. • The blue Power Indicator Light will blink until the cool-down cycle is complete. • The blue Power Indicator Light will then turn OFF and the cooling fan will stop. 2. Disconnect the power cord from the electrical outlet and the projector. 14