3025EMC Master Control Switching & Channel Branding
Revision 3.0.3 Page 67
4.8.1. Internal Keyer Routing / Priority
Each physical keyer (keyer 1 - 4) can select which fill and key signal can be applied to its input. The
four keying levels have a hardware determined priority where keyer 1 is the lowest priority (first to be
applied to the video chain) and keyer 4 has the highest priority (last keyer to be applied to the video
chain). However by changing which fill and key signal is routed to each of the physical keyers you can
change the priority of the four key and fill signals.
If any of the physical keyers are not being used then make sure they are selected to the "Not Enabled"
position, as this will prevent the keyers from being selected on the control panel or via the automation
system.
The position of the DVE in the video processing chain will be reflected in this diagram. The DVE position
can be changed by using the Non-Default DVE location in the Video Tab (see section 4.4.4).
4.8.1.1. Name
This name field will appear on any keyer function buttons on the EMC control panel. This name is edited
in two rows of five characters, this matches the display capability of the LCD buttons used on the EMC
control panels. The keyer name should ideally be only 5 characters in length as the second row of the
keyer level buttons are used to indicate whether the keyer is on-air or not.
4.8.2. Options
4.8.2.1. On-Air by Default
This option selects whether this keyer will be on-air if the EMC channel has a power cycle or re-
configuration.
Please note: The Internal Branding Keyer is always On-Air. Any media that is
faded-in or cue’d will be visible without any keyer level or keyer on-air controls.
4.8.2.2. On-Air on Emergency
This option selects whether this keyer will be on-air if the EMC channel has its emergency input put on-
air.
4.8.2.3. Hold Transition Level
If the keyer is on preset, after the next keyer transition the keyer will automatically be placed into a
transitional state. On the next keyer transition the keyer will be placed into a completely off-air and
non-transitional state. This is similar to the “Flip-Flop” but is only designed to bring a keyer on-air for a
specified single event.
4.8.2.4. Off-Air on Hot Cut
This option selects whether this keyer will be taken off-air if the program bus is changed by a "Hot-
Cut".
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