BenQ PB2250 User Manual download pdf (Page 25)

Operation 21

Switching input signals

The projector can be connected to multiple devices at the

same time. To sequentially select input sources, press the

Source button on the projector control panel or the remote

control. The selected source will be displayed at the bottom

right of the screen for 3 seconds.

Hiding the image

In order to draw the audience’s full attention to the presenter

during a presentation, you can use the Blank button to hide the

screen image. Press the Blank button again to restore the image. A

word “BLANK” will display at the bottom right corner of the

screen when the image is hidden.

Set the duration of blank time in Advance > Blank Time

menu.

Do not block the projection lens from projecting as this could cause

the blocking object to become heated and deformed or even cause a

fire.

Shutdown

1. Press Power and a confirmation prompt

displays. Press Power a second time to turn

the projector off.

2. The Power indicator light flashes orange and

the lamp shuts down. The fans will continue

to run for approximately 90 seconds to cool

down the projector lamp.

To protect the lamp, the projector will not respond to

any commands during the cooling process.

Do not unplug the power cord before the projector

shutdown sequence is complete or during the 90-

second cooling down process.

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BenQ PB2250 User Manual Page 25