7700 Multiframe Manual
7725DSK-LG / 7725DSK-LG-HD HD/SD Logo Inserter & Media Keyer
Page 4-2 Revision 1.4 RCP OPERATION
LOGO: This button controls the complete media key layer for the preview output bus. The media
key layer includes the logo layer for the video and the voiceover layer for the audio. Logos
cannot be displayed when the media key layer is off. If the LED is not illuminated, then the
media key layer is not active. If the button LED is ON then the media key layer is enabled
on the preview output bus.
BLACK: This button selects the internal black generator as the source for the applicable video output
bus. When the LED above the Black button is ON then the black generator is the source for
the preview video output bus. When the LEDs above the Program Bus A, B and DSK
buttons are OFF then the black generator is the source for the program video output bus.
This can be accomplished by selecting Black as the Preview Bus source and then pressing
the TRANSITION button.
4.1.2. Program Bus Button Group
A: This button selects the video from the PGM IN A input for the program video output bus.
B: This button selects the video from the PGM IN B input for the program video output bus.
DSK: This button controls the downstream keyer layer for the program video output bus. If the
LED is not illuminated, then the downstream keyer layer is not active on the Program Bus. If
the LED is ON then the downstream keyer layer is enabled on the Program Bus.
When the downstream keyer layer is enabled, the video present on the FILL video input is
mixed with the background video (on the PGM IN A or B) based on the key signal provided
on the KEY video input, or it can be self-keyed using user defined thresholds. See section
4.9 for information about setting up the DSK MODE and other settings.
LOGO: This button controls the complete media key layer for the program output bus. The media
key layer includes the logo layer for the video and the voiceover layer for the audio. Logos
cannot be displayed and voiceovers cannot be performed when the media key layer is off. If
the LED is not illuminated, then the media key layer is not active. If the button LED is ON
then the media key layer is enabled on the program output bus.
BYPASS: This button controls the bypass relays. The LED indicates that the unit is in manual Bypass
mode when it is On. When the unit is in Bypass mode, the program input video is directly
connected to the PGM IN A video output. The unit will revert to Bypass mode in the event
of a power loss also.
4.1.3. The Function Button Group
TRANSITION: This button starts a transition of what is displayed on the Preview Bus to the
Program Bus. The transition Type, Rate and Swap Mode are set using the menu items in
the Transition menu item (see section 4.10). Transitions can also be triggered using GPI, or
automation control. The LED indicates that a transition from the Preview Bus to the
Program Bus is in progress when it is illuminated, regardless of how the transition was
triggered.
When the Transition Swap Mode is set to Swap the input video and audio of the Preview
Bus and the Program Bus will be swapped at the end of the transition. Logos and other
media being keyed on the respective buses will also be swapped with the inputs.
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