Vision Operator’s Manual (v12.0 MD) Keying • Ops 7–37
MultiDSK Keys
The MultiDSK™ option adds two additional Downstream Keyers to the Vision switcher.
MultiDSK Operation
Although the operation of the MultiDSK Keyers is similar to that of the existing Keyers, there are
some notable differences as follows:
• MultiDSKs can only perform Cuts or Dissolves. If a MultiDSK key is included in a
Wipe transition, the MultiDSK performs a Dissolve.
• When the MultiDSK option is active, the SEL button on the bottom MLE allows you to
assign the key bus to all Keyers.
• MultiDSKs have independent transition rates from the Key Rate of the MLE and are set
from the MultiDSK Menu.
• MultiDSKs can be locked, preventing the key type or crosspoint from being changed.
The clip, gain, and key invert settings can still be changed.
• Memory recalls performed when the MultiDSK is locked only recall the on-air status.
• MultiDSKs do not support Key Preview (KEY PV).
• MultiDSKs do not support selection of MLE-Store, colored BKGDs, or MLE re-entry.
MultiDSK Key Setup
MultiDSK Self Keys and Auto Select Keys are both set up using the MultiDSK Menu. This
menu allows you to adjust all the same elements as the Self Key Setup Menu and Auto Key
Setup Menu, with the addition of the Transition Rates for the MultiDSK Keyers.
Use the following procedure to set up a MultiDSK key:
1. Press the SEL button on the Keyers Module for the MulitDSK Keyer you want to set
up the key on. The Key Bus for the selected crosspoint group is now assigned to the
Keyer you selected.
2. Select the video signal you want to use for the key on the Key Bus of the crosspoint
group. The video source name appears on the Keyer mnemonic on the Keyers Module.
3. Press SELF KEY or AUTO SELECT on the Keyers Module to select the key type.
The MultiDSK Menu is displayed for the selected Keyer.
MultiDSK Menu (4-Keyer Shown)
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