Panasonic AV-HS400AE Preview, Programme Bus, Preset Bus, Preset Memory, RS-422, Saturation

Appendix (glossary)

Word	Explanation
PVW	The function for checking ahead of time the image which will be output after
[Preview]	the next transition. The image is output from the PVW system.
PGM	The bus which always carries the programme output signals.
[Programme Bus]
PST	The bus which carries the programme output signals after the next
[Preset Bus]	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, colour 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	This refers to the intensity of the colour chrominance level of video signals.
[Saturation]
SDI	The standard by which video signals in various SD and HD formats are
[Serial Digital Interface]	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 programme output statuses of the input signals
	to an external device. The LED that indicates the programme 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.

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