To cancel the timer, perform the following steps.
1.Go back to the Presentation Timer page.
2.Press 
and press 
/ 
to highlight Off and press Mode/Enter. A confirmation message displays.
3.Highlight Yes and press Mode/Enter to confirm. You will see the message “Timer is Off ” displaying on the screen.
How to use the Timer On key?
Timer On is a
• If the presentation timer is off, pressing this key displays a confirmation message. You can decide whether to activate the timer or not by following the
• If the timer is already on, pressing this key displays a confirmation message. You can decide whether to restart, continue or turn off the timer by following the
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.
Once BLANK is pressed, the projector enters Economic mode automatically.
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.
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 
/ 
on the projector or remote control
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.
To release panel key lock, press and hold 
/ 
for 3 seconds on the projector or remote control.