Dedicated Key Transitions; Chroma Key - JVC KM-H2500 Manual

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Note:
• To include multiple keys in the transition, push the
desired combination of KEY 1, KEY 2, and KEY 3
buttons simultaneously.
• When a key is on-air, the tally above the on-air key
glows red.
For More Information on...
• selecting keys, refer to the section "Selecting
Keys" on page 26.

Dedicated Key Transitions

If an immediate transition is required, or an
unexpected transition needs to be performed, the
dedicated key transition buttons can be used. Only
dissolve transitions can be performed with the
dedicated key transition buttons.
To perform a dedicated key transition:
1
1
1
1.
Ensure that a key, key-type, and source are
selected.
2.
Take the desired key on or off-air by performing
one of the following:
• Press KEY 1 TRANS to transition Key 1.
• Press KEY 2 TRANS to transition Key 2.
• Press KEY 3 TRANS to transition Key 3
(KM-H3000 only).
Note:
• When a key is on-air, the appropriate dedicated
key transition button glows red.
For More Information on...
• selecting keys, refer to the section "Selecting
Keys" on page 26.
Setting the Transition Rate for Dedicated
Key Transitions
You can set the transition rate for the dedicated key
transition buttons independently of the other switcher
transition rates.
To change the transition rate for dedicated key
transitions:
1.
2.
3.
Note:
• If the transition rate is set to CUT and a transition is
For More Information on...
• the Next Transition area behavior, refer to the
2

Chroma Key

The Chroma Key masks a specified color allowing
you to quickly extract a foreground subject from a
controlled-color background. The switcher can mask
the following colors: blue, green, red, cyan, magenta,
and yellow. The default color is blue.
To create a Chroma Key:
1.
2.
3.
2
1
Press DISS.
Press NEXT.
Use the Key 1-3 (1-2 on KM-H2500) knobs to
change the transition rate for the specified key.
in progress, pressing a dedicated key transition
button immediately cuts the associated key to the
previous state (either on or off-air). The rest of the
transition proceeds.
section "Transition Area Behavior" on page 20.
3
2
1
4
Select the key you wish to use.
If you are not using Key 1, press CHR KEY to set
the selected key to a Chroma Key.
If you have already assigned a Chroma Key to
one of the other keyers, and the Chroma Key
share mode is set to FLOAT or ASK, you are
prompted to steal the Chroma Key resource to
use on the new key. You can choose from the
following:
3
5
27

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