For More Information on...

•creating and using Chroma Keys, refer to the section “Chroma Key” on page 20.

Switch on Field or Frame

The Switch On feature allows you to select when the switcher triggers a transition from one video source to the next when you are running in an interlaced video format. Each interlaced video frame is composed of an odd field and an even field and you can specify that transitions are initiated on:

•even fields only

•odd fields only

•either even or odd fields

If you are running in a progressive scan video format, setting your switcher to transition on even or odd fields will cause the switcher to only allow transitions on every second frame.

To set when the switcher initiates transitions:

1 4

2 3

1.Press MENU.

2.Press the PERS Wipe Pattern button.

3.Press NEXT until FldSwt (FrmSwt if you are using a progressive scan video format) is displayed.

4.Use the FldSwt (FrmSwt if you are using a progressive scan video format) knob to select when transitions are initiated. You can choose from the following:

•F1 — Field 1 (Odd Field) transitions are initiated after the odd field of the source video is drawn.

•F2 — Field 2 (Even Field) transitions are initiated after the even field of the source video is drawn.

•BOTH — Transitions can be initiated on either even or odd fields or frames.

5.Press the FldSwt (FrmSwt if you are using a progressive scan video format) knob to commit the selection.

Editor Control

Your switcher can be controlled by external editors using the GVG100 protocol. You can enable or disable external control.

To enable or disable external editor control:

1

4

 

2 3

1.Press MENU.

2.Press the PERS Wipe Pattern button.

3.Press NEXT until Editor is displayed.

4.Use the Editor knob to enable or disable external editor control. You can choose from the following:

•GVG100 — Editor control is enabled.

•G100L — Legacy editor control is enabled.

•Off — Editor control is disabled.

For More Information on...

•external editor control, refer to the section “Editor Port” on page 35.

Next Transition Area Reset

You can choose the state of the Next Transition area after a transition is performed.

To set the Next Transition area reset behavior:

1 4

2 3

1.Press MENU.

2.Press the PERS Wipe Pattern button.

3.Press NEXT until Trans is displayed.

4.Use the Trans knob to set the behavior of the Next Transition area after a transition is performed. You can choose from the following:

•Reset — The Next Transition area is reset to a background dissolve transition

•NotRst — The Next Transition area is not reset.

Transition Resume Direction

You can choose which direction a paused transition proceeds in when it is re-started.

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JVC KM-H2500U, KM-H3000U Switch on Field or Frame, Editor Control, Next Transition Area Reset, Transition Resume Direction
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KM-H2500, KM-H2500U, KM-H3000U, KM-H2500E, KM-H3000E specifications

The JVC KM-H3000E, KM-H2500E, KM-H3000U, KM-H2500U, and KM-H2500 are professional video production switchers designed to meet the demands of live broadcasting, events, and production environments. These switchers are renowned for their robust construction, intuitive operation, and advanced features that cater to a wide range of workflow requirements.

The KM-H3000E and KM-H3000U are high-end models, offering extensive capabilities for complex productions. Both units feature a 1 M/E switcher configuration, enabling seamless switching between multiple video sources. The KM-H3000 series supports HD and SD formats, ensuring compatibility with various input signals. One of its significant characteristics includes a large-scale multi-viewer output, which provides operators with the ability to monitor multiple sources on a single screen, enhancing the efficiency of live production.

In terms of connectivity, the KM-H3000 series equipped with extensive I/O options, allowing for flexible integration with other broadcast equipment. It also supports external keyers, picture-in-picture effects, and advanced chroma keying, creating dynamic live content that captivates audiences. Additionally, the user interface is designed for quick and intuitive operation, featuring customizable buttons and clear labeling that streamline the switching process.

On the other hand, the KM-H2500E and KM-H2500U serve as mid-range alternatives, suitable for smaller operations without compromising functionality. These models maintain a compact design while still offering an impressive array of features. The KM-H2500 series includes 1 M/E switcher capabilities and supports multiple HD/SD formats, similar to its higher-end counterpart, but with slightly reduced input options.

One notable feature of the KM-H2500 is its cost-effectiveness, making it an attractive choice for educational institutions, small production houses, and local broadcasters. It supports simple transitions, effects, and basic keying, enabling users to produce quality content without the complexity of more advanced systems.

In summary, JVC's KM-H series offers versatile solutions for video production, whether it's high-end broadcasting or smaller-scale operations. With their robust feature sets, ease of use, and flexible connectivity, the KM-H3000E, KM-H2500E, KM-H3000U, KM-H2500U, and KM-H2500 are exceptional choices for any production environment. These switchers exemplify JVC's commitment to quality and innovation in the realm of professional video equipment.
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