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Monitors
Quad Preview and Program
The HS-550 comes with two monitors one for Preview and one for Program. These monitors help you choose
your video sources and decide when to cut or transition between video sources.
The Left hand Monitor is split into a 4 screen quad labelled PREVIEW and is referred to as a Quad Preview. This
Quad Preview shows the video sources connected to the HS-550. To help you match the video shown to a button,
or an input, each section of this Quad Preview is labelled; 1 to 4. The labels in this Quad preview are also colour
coded. A Red flashing label indicates this is the selected video source that is already being sent to the HS-550's
Program output. A Yellow label indicates that this is the selected Sub source that will be transitioned to if the T-
Bar is moved. A Green label indicates a video source that is not currently selected. The colour coding of these
labels can be referred to as an on-screen tally system.
The Right hand Monitor is labelled PROGRAM and only shows the main mixed output of the HS-550. This
monitor output will only be sub divided if the PIP or SPLIT or QUAD effect is active.
In the above example input 1 starts as the Main source
(Red) and input 4 is the selected Sub source (Yellow).
As input 1 is the Main source this should also be seen on
the Program monitor too. When the T-Bar is moved the
Program Monitor will transition from input 1 to input 4.
When the T-Bar has been moved fully the label for input
1 will be Yellow and the label for input 4 will be Red.
Another Sub source which is currently labelled Green can then be selected as the Sub source to be transitioned
to next.
Completing a manual transition
The HS-550 two way T-Bar is used for performing manual transitions between video sources; it can
be moved either all the way up, moved all the way down, or moved part way in between. The top
and bottom positions for the T-Bar are relative, meaning one position is before and one position is
after the transition being performed.
The HS-550 completes the selected transition between two sources at the same speed as you move the T-Bar. If
no transition type is selected, moving the T-Bar performs a default fade or dissolve between the two selected
video sources.
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