3 terms and definitions, Terms and definitions – Barco PDS-4K HDMI Presentation Switcher User Manual
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3.3 Terms and definitions
BG (Background layer)
The Background layer is the lowest layer in a composition. For PDS the background can be either a user
selectable matte color or a still store image.
Breakout session/room
A smaller room at a convention or meeting that holds a smaller number of people for a deeper dive into a
topic.
A Keynote session is generally in a larger room that holds all the attendees, while breakout sessions are used
to focus on topics of interest to the attendees.
DSM (Down Stage Monitor)
A display used by the presenter to help them know either what is coming next, notes to remember, or a
duplicate of a program output. Can be anything a presenter needs to support them while on stage.
Full Screen mode
A front panel mode that allows for direct selection of sources that will completely fill the PGM outputs.
Input
Input is the signal coming into a specific input connector.
Mixing PIP
A single opaque image on top of a background that can seamlessly mix between two sources. Requires two
scalers.
MVR (Multiviewer)
Shows inputs and outputs of the system. Typically used by an operator of the system. Also has labels on each
input or output to indicate how they are used. The under-monitor display (UMD) is where this info is displayed.
Operator
The person in control of the system. Sometimes the presenter and the operator are the same person.
Option slot
An Input/Output slot used for future upgrade cards: The DisplayPort 1.2 inputs plus Audio (de) embed is
available as of Q4 2021.
PAP (Picture-and-Picture)
Two scaled images placed next to each other without overlapping.
PGM (Program)
The live output. Main outputs that drive displays.
PIP (Picture-in-Picture)
An opaque image layered on top of another opaque image.
Presenter
The person on stage during the show. Can be multiple people. Also known as the talent.
PST/CUE (Preset and Cue)
Same as in Event Master.