BenQ SP840 user manual Locking control keys, Hiding the image, Setting the Sleep Timer, English

Models: SP840

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Hiding the image

English

Hiding the image

In order to draw the audience's full attention to the presenter, you can use BLANK on the projector or remote control to hide the screen image. Press any key on the projector or remote control to restore the image. The word 'BLANK' appears at the lower right corner of the screen while the image is hidden.

You can set the blank time in the SYSTEM

SETUP: Basic > Blank Timer menu to let the

projector return the image automatically after a period of time when there is no action taken on the blank screen.

No matter Blank Timer is activated or disabled, you can press any key except ENTER on the remote control, or ENTER on the projector to restore the picture.

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.

Setting the Sleep Timer

You can set the Sleep Timer interval so the projector powers off after the specified time period of inactivity (regardless of signal).

Set the sleep timer in the SYSTEM SETUP: Basic > Sleep Timer from among Disable/ 30 min/1 hr/2 hr/3 hr/4 hr/8 hr/ 12hr.

Locking control keys

With the control keys on the projector locked, you can prevent your projector settings from being changed accidentally (by children, for example). When the Panel Key Lock is on, no control keys on the projector will operate except POWER.

1. Press Setting the Sleep Timer / Locking control keys on the projector or go to the SYSTEM

SETUP: Basic > Panel Key Lock menu, and select

On by pressing Manual background / Manual background on the projector or remote control.

2. A confirmation message displays. Select Yes to

confirm.

 

To release panel key lock, press and hold

/ for 3

seconds on the projector.

 

You can also use the remote control to enter the SYSTEM SETUP: Basic > Panel Key Lock and press Manual background / Manual background to select Off.

Manual background • Keys on the remote control are still in use when panel key lock is enabled.

If you press POWER to turn off the projector without disabling panel key lock, the projector will still be in locked status the next time it is turned on.

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BenQ SP840 user manual Locking control keys, Hiding the image, Setting the Sleep Timer, English