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26
It enables a greater than 50% brightness increase in mid-tone images, which are common in
video and natural scenes, so the projector reproduces images in realistic and true colors. If
you prefer images with that quality, select a level that suits your need. If you don’t need it,
select Off.
Hiding the image
In order to draw the audience's full attention to the presenter, you can press 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 central bottom area
of the screen.
Once Blank is pressed, the projector consumes minimum power.
CAUTION
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. Go to the SYSTEM SETUP: ADVANCED
> Panel Key Lock menu
2. Press Enter and press / to select On.
3. A confirmation message is displayed. Select Yes to confirm.
To release panel key lock, press and hold on the projector for 3 seconds.
You can also use the remote control to enter the SYSTEM SETUP: ADVANCED
> Panel
Key Lock menu and select Off.
Keys on the remote control are still functional 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.
Operating in a high altitude environment
We recommend you use the High Altitude Mode when your environment is between 1500
m–3000 m above sea level, and temperature is between 5°C–25°C.
CAUTION
Do not use the High Altitude Mode if your altitude is between 0 m and 1499 m and temperature
is between 5°C and 35°C. The projector will be over cooled, if you turn the mode on under
such a condition.
To activate the High Altitude Mode:
1. Open the OSD menu and go to the
INSTALLATION > High Altitude Mode
menu.
2. Press Enter and press / to select On.
A confirmation message is displayed.
3. Highlight Yes and press Enter.
Operation under "High Altitude Mode" may
cause a higher decibel operating noise level
Notice
We recommend you use the High
Altitude mode by selecting it when-
ever your environment is higher
than 1500m.
Do you want to turn High Altitude
Mode ON?
Yes
No
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