ViewSonic LS830 - Image Control and Security; Hiding the Projector Image; Locking Projector Control Keys

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Hiding the image
In order to draw the audience’s attention to the presenter, you may press Blank
to hide the screen image. Press any key on the projector or remote to restore the
image. After hiding the image, the lower right corner of the screen will display the text
[BLANK].
You can go to Basic > BlankTimer menu to set blank screen duration. Once the
blank screen countdown is complete, the image will be automatically re-displayed.
Afterpressing[Blank],theprojectorwillautomaticallyenterPowerSavingmode.
Caution
Do not block the projector lens. The blocking item may be heated to the point of deformation or
mayevencauseare.
Locking control keys
Locking the control buttons of the projector allows you to prevent projector settings
from being changed accidentally (by children, for example). Once Panel Key Lock
has been activated, with the exception of the Power button, none of the buttons on
the Projector could be used.
1. Press
(PanelKeyLock) or enter System Settings > Panel Key Lock menu.
2. Press / and select ON.
3. A conrmation message will be displayed next. Select Yes to conrm your choice.
To switch off the Panel Key Lock, press and hold the
button on the Projector for 3
seconds.
You may also use the remote to enter System Settings > Panel Key Lock menu,
press / and select OFF.
ButtonsontheremotecontrolcanstillbeusedevenifthePanelKeyLockfunctionhasbeen
switched on.
If you press the Power button to switch off the projector without switching off the Panel Key
Lockfunction,theprojectorbuttonswillremainlockedwhenyouswitchitonthenexttime.