Ask Proxima Impact 400 User Manual page 16

USER GUIDE
7.1.4 BRIGHTNESS
The brightness is the amount of white in an image. The brightness is
adjusted to the ambient lighting conditions. Usually, a bright, low contrast
image is preferred. Use the BRIGHT keys to adjust brightness. See also
Contrast. The brightness setting is stored individually for each source.
7.1.5 TUNE
This feature enables a stable image. An unstable image can be seen as
sideways instability or ' swimming' . Press TUNE until a stable image is
achieved. The setting is stored individually for each source.
7.1.6 ON/OFF
This switch controls the operation of the panel. When switched on, all
functions are active. When switched off, the automatic fan control is still
operating, but the image is turned white. The ON/OFF switch is a toggle
key.
7.1.7 RESET
This feature enables standard settings of most controls. RESET will only
reset the mode active.
A fundamental master reset may be performed by pressing all
four front panel keys simultaneously for approx. 5 seconds. All
settings will return to factory defaults, so do not perform a master
reset unless it is really required. This operation will also erase all
custom sources and modes that have been memorized.
7.1.8 BLACK
Use the BLACK key on the RC, if you temporarily want to suspend the
display of images. The BLACK key is a toggle function, and the screen
goes black when activated. Any key pressed will release BLACK.
7.1.9 REAR
The panel can be set to project a mirrored image for rear projection. Rear
projection is used when only the actual image is displayed, without
showing the projection equipment. A special transmissive screen is
needed. A typical application is in exhibitions. REAR is a toggle function on
the RC.
7.1.10 FREEZE
Press the FREEZE button on the RC to lock the image displayed. This
feature is useful if you want to make changes locally on your computer that
should not be presented to the audience. Press FREEZE once more to
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LCD PANEL