24Video LayeringVideo is layered as shown in (Figure 1).Figure 1 Video Layering1. Program2. Key 13. Key 24. Key 3 (KM-H3000 only)Key TransitionsKey transitions are similar to background transitions.You can perform key and background transitionssimultaneously.Selecting KeysSelecting a key allows you to configure the key typeand select a source for that key.To select a key:• Select a key by pressing one of the key selectbuttons. You can choose from the following:› AUTO SELECT, CHR KEY, or DVE — selectsKey 1 and sets the key type.› KEY 2 SEL — selects Key 2.› KEY 3 SEL — selects Key 3 (KM-H 3000 only).Note:• If you select Key 1, you are selecting a key and keytype simultaneously.Performing Key TransitionsKey transitions are performed similarly to backgroundtransitions. All transition types are available for keytransition.To perform a key transition:1. Ensure the key you are using in the transition isnot on-air.2. Select the key you wish to use.3. Select the key type by pressing one of thefollowing:• CHR KEY to create a Chroma Key.• AUTO SELECT to create an Auto-Select Key.• DVE to create a DVE Key.4. Press the corresponding key button in the NextTransition area to include the key in thetransition. You can choose from the following:• KEY 1 to include Key 1.• KEY 2 to include Key 2.• KEY 3 to include Key 3 (KM-H3000 only).5. Select a source on the Key/Aux bus that youwant to take on-air. The selected source appearson your preview monitor over the backgroundimage.6. Choose the type of transition you wish toperform:• Press DISS to select a dissolve transition.• Press WIPE to select a wipe transition.• Press DVE to select a DVE transition.7. Perform the transition by using one of thefollowing methods:• Press CUT to immediately cut the selectedsource on-air (selected transition type isignored).• Press AUTO TRANS to have the switcherperform a smooth transition.• Move the Fader from one limit to the other toperform a manual transition.Note:• To include multiple keys in the transition, push thedesired combination of KEY 1, KEY 2, and KEY 3buttons simultaneously.• When a key is on-air, the tally above the on-air keyglows red.For More Information on...• selecting keys, refer to the section “SelectingKeys” on page 24.4321527634