pg. 65
6pm news that will call up CAM1 (which is currently on button 10). All Sub-Tables reference the MAIN
V/K pair number! If the MAIN V/K pair is changed later to be Input 5 instead of Input 1 (where it was
originally set), there will be a big on-air problem. Remember, again, that sub-tables only reference V/K
pair numbers. They have no idea
what is assigned
to the V/K pair number. So if V/K pair #2 now points
to input 5 instead of input 1, every time the operator calls up an effect that needs CAM1, it’s going to
call up video coming from Input 5,
regardless if it’s camera 1 or not!
.
This goes back to the patch panel theory again. If the
front
of a patch panel is marked with sources,
people assume if they put a patch cable into the hole marked VTR1 it’s really going to be VTR1. If the
back
of the patch panel has had cables changed but the
front
labeling hasn’t been changed…. See the
problem? Main and Sub tables work exactly the same way! For the same reason, you will also run into
this problem if you just move V/K pairs around. Again, once they’re set, leave them alone.
If you add a new source, it’s not necessary for the V/K pairs to all be sequential. Just put the new source
on the next open pair (or completely unused pair). For example, you had 6 cameras when you installed
this switcher and you put them on inputs 1-6. A year later you buy another camera, Camera 7. Don’t try
to move all the BNC connectors down one so all your cameras are next to each other. The same advice
goes for Main V/K pairs. Don’t move everything so all the cameras are next to each other on the “back”
of our fictitious patch-panel. Just find an empty or unused V/K pair and put the new source there.
When you tell the operators where the new source is on the V/K pair table, they can map it anywhere
and none of their existing effects have to be changed.
Please take the time to repeat the above procedures to set the rest of your wired inputs (whether they
are just video or have both video and key) into the left table. If you have just a few, it won’t take very
long. If you have already pre-planned all your 80 or more inputs and wired them up, it’s going to take
you a while!
Let’s Try This Out!
So, right now, if you hook up a signal that’s in the same format as the switcher (let’s say 1080i for now)
and you hook a signal into INPUT 1 on the back of the switcher, then press the second button from the
left on PGM-A (will be the second long row of crosspoint buttons from the bottom on the panel), you
should see your input signal on your monitor. If you don’t, please go back and check your settings
against this document.
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