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Switching Between A Bus and B Bus
Input sources are selected and switched between the A Bus and the B Bus. The unit has eight input selectors for each Bus,
and you choose the input video for each bus before you perform the transition.
With the LVS-800, you can switch between A Bus and B Bus in three different modes. Operation of each of these modes is
described below.
•A/B mode This performs switching using the video fader or the [AUTO] button for A/B MIX.
•PGM-PST mode This lets you check the preview picture before switching and perform the transition using the [AUTO] button.
•LVS mode This lets you perform switching directly, using only the input selector buttons.
The results of these operations are output from the A/B MIX OUT connectors. If you want to output the results from the
PGM OUT connectors as well, make the settings described below.
•At [PGM OUTPUT FADE], switch off the [AUTO] button.
•At DSK, for [BACKGROUND], select [A/B MIX].
•Switch off the [AUTO] button for DSK.
1. Choose the A Bus and B Bus video.
Select the channels of the video input to A Bus and B Bus. Selecting an input channel makes the LED for the button light
up. For information about what the color of the LED means, see the following page.
fig.AB-source-select.eps
2. Choose the type of transition (transition effect).
If you want to apply a transition effect, use a [TRANSITION] button to choose [MIX], [WIPE1], or [WIPE2]. To apply no
effect, choose [CUT].
fig.select-transition.eps
Switching the Picture in the A/B Mode
Switching the Picture Using the Video Fader
MIX
A BAB
Start Finish
WIPE1
A
WIPE2
A
B
B
A B
A B
CUT
A B
No transition effect is applied.
The pictures on A and B are blended together
as they are switched.
The video switches using horizontal wipe.
(factory default setup)
The video switches using box wipe from center
(factory default setup)