Benq SP840 Manuale Utente
Operation
40
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 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.
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.
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.
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).
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.
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
/
on the projector or go to the
SYSTEM
SETUP: Basic > Panel Key Lock menu
, and select
On by pressing
/
on the projector or remote
control.
2.
A confirmation message displays. Select Yes to
confirm.
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
Lock and press
/
to select Off.
•
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.
projector will still be in locked status the next time it is turned on.