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5.3.1 9-input Main Switcher
CAM – enables the camera source and the chroma and luma keying functions can be
applied to the signals on this channel.
4 x M/E – Four virtual studio background inputs
2 x Media – Two video programs saved on local hard disk
2 x Stills – Two static pictures saved on local hard disk
The top row of buttons, PGM, indicates the image that is currently broadcasted. The selected
broadcast source button is illuminated in red.
The lower row of buttons, PVW, indicates the source of image to be broadcasted next. The
active button is illuminated in green. The material choice is seen in the PREVIEW window.
After editing and selecting the desired program source, the next step is to use function keys to
stream the program, apply transition effect, place logo on the program view, add animation to
the program and etc. Brief descriptions of function keys are outlined below.
5.3.2 Switching between Preview and Program Views
5.3.3 Downstream Keys
Next to the 9-input main switcher is the downstream key (DSK) block. It can be used to add
images or text to the broadcast signal. DSK signal may come from any virtual player that displays
media (1 or 2), bitmaps (1 or 2), or text (1 or 2). It may also come from the camera input. For the
DSK function to operate properly, the media provided to DSK must contain transparent areas. In
this way, they will be overlaid on the main signal. Media without transparent areas is not
TAKE: Click to switch between Program
and Preview with a transition effect
FTB: A Fade-to-Black is the effect which
fades the Program view gradually to black,
or when a picture gradually appears on
screen; click on the button to apply the
FTB effect to Program output
Cross Dissolve: A dissolve is a gradual
transition from one image to another;
click on the button to apply the effect.
T-Bar: Shift up and down to switch
between Preview and Program.
Transition time will be based on Time and
Frame presets in seconds.
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