pro bel TX 410 Operator's Manual page 22

TX 410 operators guide
Main transition buttons
The red buttons in the centre of the bottom row of the lower console are
used to carry out a transition. They are as follows:
<PRE-ROLL & TAKE>
Used to start a machine (for example, a VTR) and take married
video/audio to air after a pre-configured pre-roll time. The pre-roll
countdown timer is displayed above this button.
When the switcher is automated by Pro-Bel automation, pressing the
<PRE-ROLL & TAKE> button causes the next event to take.
<TAKE>
Used to take the PST video and audio (married) to air immediately.
<TAKE AUDIO>
Pressing the <TAKE AUDIO> button will perform an audio only
transition.
<TAKE VIDEO>
Pressing the <TAKE VIDEO> button will perform a video only
transition.
<LEAD AUDIO>
Used to mix the preset audio with the current programme audio, leaving
the current video on air until <TAKE> is pressed.
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