All-New Event Presentation Switching Solutions
User Manual
3 Terms and Definitions
PVW is an abbreviation for Preview. The PVW area displays the pre-
editing content before it is sent to PGM.
PGM is an abbreviation for Program. The PGM area displays the real-
time output image.
Take is an action of sending the PVW content to PGM with a transition
effect.
Cut is an action of sending the PVW content to PGM directly, without
any transition effect.
FTB (Fade to Black) is an action of making the screen fade to black.
T-bar is a lever that manually controls the progress of sending PVW to
PGM.
LOGO is a special layer with the highest priority and is displayed in
front of all other layers. LOGO consumes no processing resources and
displays an unscaled image on the screen.
BKG is an abbreviation for background. BKG is a special layer that has
the lowest priority and is displayed beneath all other layers. BKG
consumes no processing resources and fills the whole screen.
MVR is an abbreviation for Multiviewer. An MVR connector is used to
connect a confidence monitor for displaying the specific input or
output content, such as the presenter's laptop.
AUX is an abbreviation for auxiliary. An AUX connector is used to
output the input source, PVW or PGM, to a specified monitor, such as
a teleprompter.
AOI is an acronym for Area of Interesting. AOI allows users to view a
specific output area they are interested in.
Aspect ratio is the ratio of a layer/image width to its height. It is
commonly expressed as two numbers separated by a colon, as in 16:9.
Contrast defines the difference between the darkest and brightest
areas of an image displayed on the screen. The greater this value is,
the bigger this difference will be.
Gamma defines the degree of distortion of the image color. The
greater this value is, the more distorted the color will be.
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