Ross Opengear UDC-8625A Series, User Manual, Page: 96 / 174

8–4 • Operation UDC-8625A Series User Manual (Iss. 11)
Key 2 Setup
This section briefly describes how to set up the second keyer typically used for Logos. Setup can
include Key Alphas, Auto Keys, adjusting the clip and gain values, and applying a box mask to
Key 2.
Configuring Key 2
Use the following procedure to configure Key 2:
1. If using an internal source, configure the logo channels as outlined in the section “ Logo
Setup ” on page 8-6.
2. If using an external source, ensure the video format of the Wings video input matches
the output format selected in the
Output Format field of the Video tab.
3. Select a key source for Key 2 as follows:
• From the Device View , select the On Air Control tab.
• In the Key 2 area, use the Source menu to specify a source. Choose from the
following:
› Black — Sets the source for the Key 2 to Black.
› Input 3 — Sets SDI IN 3 and SDI IN 4 as the source for the Key Video and
Key Alpha respectively. If you select this option when using the 8322AR-065
rear module, you must also set the Key Type to Self.
› Logo # — Sets the indicated Logo as the source for Key 2.
4. From the Device View , select the Key Setup tab.
5. Set the Key Type by choosing one of the following from the Key Type menu:
• Auto Select — An Auto Select Key is a key in which two video signals are required
to insert the key. The Key Alpha is used to cut the hole in the video, and the Key
Video is used to fill that hole. Note that the
Key Alpha Type is automatically set to
Shaped .
• Self — A Self Key is a key in which the luminance, or brightness, values of the key
video are used as the key alpha. Note that the Key Alpha Type is automatically set
to Unshaped .
6. If required, select the key fill from the Key Alpha Type menu. Choose from the
following:
• Unshaped — Select this option to set the Key Alpha to unshaped. With an
Unshaped Key, the Key Alpha luminance value mixes linearly the Key Video with
the Background. Shades of gray, in the Key Alpha, are translated into transparency
levels. Self Keys are set to
Unshaped by default.
• Shaped — Select this option to set the Key Alpha to shaped. With a Shaped Key,
the Key Alpha cuts a hole in the Background based on the luminance value of the
Key Alpha and adds the Key Video to the Background hole. Shaped Key alphas are
Note
— You must set the Key Type to Self when using the 8322AR-065 rear module.