7700 Multiframe Manual
7725DSK-LG / 7725DSK-LG-HD HD/SD Logo Inserter & Media Keyer
Page 6-2 Revision 1.4 DESKTOP CONTROL PANEL
6.1. AN OVERVIEW OF KEY AND DISPLAY FUNCTIONS
The Desktop panel controls consist of two shaft encoder knobs, a 16 digit alphanumeric display, and 25
illuminated buttons. The illuminated buttons will come ON to indicate that their controlled function is
active.
The buttons are used to provide control of the 7725DSK-LG, to switch the various input sources, and to
navigate the front panel Setup menu system, a quick and simple method of configuring the 7725DSK-
LG Downstream Keyer for your application. See sections 4.3 to 4.14 for information on configuring the
7725DSK-LG using the Setup menu system.
6.1.1. Output Bus Button Group
PGM: This button sets the other buttons in the Output Bus button group so that they operate on
the Program Bus. If the button LED is ON solid, then the BKG, FILL, DSK, BLACK and
LOGO buttons are controlling the Program Bus. The LEDs in the BKG, FILL, DSK, BLACK
and LOGO buttons will be ON solid if they are active on the Program Bus and flashing if
they are active on the Preview Bus.
PRV: This button sets the other buttons in the Output Bus button group so that they operate on
the Preview Bus. If the button LED is ON, then the BKG, FILL, DSK, BLACK and LOGO
buttons are controlling the Preview Bus. The LEDs in the BKG, FILL, DSK, BLACK and
LOGO buttons will be flashing if they are active on the Preview Bus and ON solid if they are
active on the Program Bus.
BKG: This button selects the video from the PGM IN A input, as well as selecting the audio
source. If the button LED is flashing then the PGM IN A video and associated audio is
being output on the Preview Bus. If the button LED is ON solid then the PGM IN A video
and associated audio is being output on the Program Bus. Selecting BKG deselects the
FILL, BLACK and DSK buttons for the applicable bus. You can use the PGM and PRV
buttons to toggle control/status between the two buses to verify the input status for each
bus.
DSK: This button controls the downstream keyer layer for the selected output bus. If the button
LED is not illuminated, then the downstream keyer layer is not active. If the button LED is
flashing then the downstream keyer layer is enabled on the Preview Bus. If the button LED
is ON solid then the downstream keyer layer is enabled on the Program Bus. Selecting
DSK deselects the BKG, FILL and BLACK buttons for the applicable bus. You can use the
PGM and PRV buttons to toggle control/status between the two buses to verify the
downstream keyer layer status for each bus.
To control the downstream keyer layer, first select the bus you want the downstream key to
appear on using the PGM and PRV buttons. To enable the downstream keyer layer on the
selected output video bus, press the DSK button. The button LED will be illuminated (On
Solid for Program Bus, flashing for Preview Bus). To disable the logo key layer from the
selected output video bus, press the DSK button. The button LED will be OFF.
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.
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