Tally Output
PVS0615 is equipped with a 25-pin GPIO interface for tally, the pin outputs are defined as follows:
Transition Control
There are two transition control types for this video switcher: Transition without effects and Transition
with effects.
1) Transition without Effects
CUT performs a simple immediate switch between Preview and Program views. This is no delay
seamless switching and the selected transition effect WIPE, MIX or FADE is not used.
2) Transition with Effects
AUTO performs an automated switch between Preview and Program views. The timing of the transition
is set by the chosen speed button. The selected transition WIPE, MIX or FADE will also be used.
T-Bar manual transition performs similar to AUTO, but it is more flexible that the timing of the transition
depends on the speed of the manual switch.
FTB (Fade to Black)
Press FTB button it will fade the current video Program source to black. The button will flash to
indicate that it’s active. When press the button again it acts in reverse from complete black to the
currently selected Program video source, and button stop flashing. FTB is usually used for emergency
condition.
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