Panasonic AV-HS450N - Manual (Page 189)

189
Word Explanation
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 button 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.
SDI
[Serial Digital Interface] The standard by which video signals in various SD and HD formats are
transmitted along a single coaxial cable.
Self Key A function that creates key signals from key fill signals for combining keys.
Tally The signal which outputs the program output statuses of the input signals to
an external device. The LED that indicates the program output status on the
control panel is also referred to as tally.
Transition A function that switches from one image to another.
Wipe, mix and other effects are available for the images during switching.
Tri-level Sync The sync signal used for HD formats.
Trimming This is the function that eliminates the unnecessary parts at the top, bottom,
left and/or right of the images which are combined using the PinP function.
Up Converter This is the function that converts material in the SD format into the HD
format which yields a high resolution.
Wipe A video effect in which one image is gradually replaced by another as the
boundary between the two is moved using a preselected pattern.
Appendix (glossary)