Panasonic AV-HS300G User Manual

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59
Word
Explanation
Genlock
A function for synchronizing the video signals using an external sync signal as 
the reference.
GPI
[General Purpose Interface]
Interface signals which control auto transition from an external source.
IRE
A unit used for video signal levels.
The setup level (black level) of the signals is expressed as 0 IRE, 7.5 IRE, etc.
Hue
The color tone of the video signals.
Key Edge
The border or shadow added to the edges of keys.
Key Fill
The signal that uses key combination processing to fill in the areas left blank by 
the key signals.
Key invert
A function which inverts the key signals.
Key Source
The video signals for creating the key signals.
Linear Key
The function which combines keys using monochrome key signals with 
gradations in its outlines as a reference.
Lum
[Luminance]
The brightness portion of the video signals.
Luminance Key
The function which creates key signals based on the luminance (brightness) 
information of the video signals to combine keys.
ME
[Mix Effect]
A video effect device which combines a number of video signals to create mix, 
wipe, key and other video signals.
Mix
The picture-changing effect produced by overlapping one image with the next. 
It is also referred to as “dissolve”.
PVW
[Preview]
The function for checking ahead of time the image which will be output after the 
next transition. The image is output from the PVW system.
PGM
[Program Bus]
The bus which always carries the program output signals.
PST
[Preset Bus]
The bus which carries the program output signals after the next background 
transition.
Preset Memory
The memory in which the control panel statuses can be saved and recalled. 
The switch selection statuses as well as the border, color and other setting 
information can be saved in this memory.
RS-422
A serial interface standard. It is the interface used to control the switcher from 
an editor or other external device.
Sat
[Saturation]
This refers to the intensity of the color chrominance level of video signals.
Appendix (glossary)