Ops 7–26 • Keying Vision Operator’s Manual (v12.0 MD)
Split Keys
A Split Key allows you to assign a different fill source for a key than the alpha/fill associations
that are set up during installation, or the fill sources that are selected by the key type. Split Keys
are typically used for creative montages and for keying moving video inside key shapes.
There are two kinds of split keys as follows:
• Split Keys — Split Keys (Auto Select Keys) allow you to hold, or retain, the alpha signal
of a key, and assign a new video source to it.
• Split Video — Split Video (Self Keys) allows you to hold the key cutting settings
(non-alpha) of a key, and assign a new video source to it.
All split key assignments are temporary and will revert back to the original setup if any other
source on the crosspoint bus is selected.
Performing a Split Key
Use the following procedure to perform a split key:
1. Set up your Auto Select Key as usual.
2. Ensure that the Keyers Module is assigned to the Keyer that you want to perform the
split key on.
3. Press and hold the AUTO SELECT button on the Keyers Module.
4. Select the video source that you want to use as the new fill on the key bus.
5. Release both buttons.
6. Fine tune the key as required. Refer to the section “Auto Select Key” on page Ops 7-9
for more information on adjusting an Auto Select key.
This completes the procedure for performing a split key.
Performing a Split Video
Use the following procedure to perform a split video:
1. Set up your Self Key as usual.
2. Ensure that the Keyers Module is assigned to the Keyer that you want to perform the
split key on.
3. Press and hold the SELF KEY button on the Keyers Module.
4. Select the video source that you want to use as the new fill on the key bus.
5. Release both buttons.
6. Fine tune the key as required. Refer to the section “Auto Select Key” on page Ops 7-9
for more information on adjusting an Auto Select key.
This completes the procedure for performing a split video.
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