JVC KM-H3000U Manuel D’Utilisation
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The KM-H2500 supports 2 keys. The KM-H3000
supports 3 keys.
supports 3 keys.
Video Layering
Video is layered as shown in (Figure 10).
Figure 10 Video Layering
1.
Program
2.
Key 1
3.
Key 2
4.
Key 3 (KM-H3000 only)
Key Transitions
Key transitions are similar to background transitions.
You can perform key and background transitions
simultaneously.
You can perform key and background transitions
simultaneously.
Selecting Keys
Selecting a key allows you to configure the key type
and select a source for that key.
and select a source for that key.
To select a key:
• Select a key by pressing one of the key select
buttons. You can choose from the following:
› AUTO SEL, or CHR KEY — selects Key 1 and
› AUTO SEL, or CHR KEY — selects Key 1 and
sets the key type.
› KEY 2 SEL — selects Key 2.
› KEY 3 SEL — selects Key 3 (KM-H 3000 only).
› KEY 3 SEL — selects Key 3 (KM-H 3000 only).
Note:
• If you select Key 1, you are selecting a key and key
• If you select Key 1, you are selecting a key and key
type simultaneously.
Performing Key Transitions
Key transitions are performed similarly to background
transitions. All transition types are available for key
transition.
transitions. All transition types are available for key
transition.
To perform a key transition:
1.
Ensure the key you are using in the transition is
not on-air.
not on-air.
2.
Select the key you wish to use.
3.
Select the key type by pressing one of the
following:
following:
• CHR KEY to create a Chroma Key.
• AUTO SELECT to create an Auto-Select Key.
• AUTO SELECT to create an Auto-Select Key.
4.
Press the corresponding key button in the Next
Transition area to include the key in the
transition. You can choose from the following:
Transition area to include the key in the
transition. 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).
• 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 you
want to take on-air. The selected source appears
on your preview monitor over the background
image.
want to take on-air. The selected source appears
on your preview monitor over the background
image.
6.
Choose the type of transition you wish to
perform:
perform:
• Press DISS to select a dissolve transition.
• Press WIPE to select a wipe transition.
• Press WIPE to select a wipe transition.
7.
Perform the transition by using one of the
following methods:
following methods:
• Press CUT to immediately cut the selected
source on-air (selected transition type is
ignored).
ignored).
• Press AUTO TRANS to have the switcher
perform a smooth transition.
• Move the Fader from one limit to the other to
perform a manual transition.
Note:
• To include multiple keys in the transition, push the
desired combination of KEY 1, KEY 2, and KEY 3
buttons simultaneously.
buttons simultaneously.
• When a key is on-air, the tally above the on-air key
glows red.
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