Blackout the screen and mute the audio

You can mute the video (blackout the screen) and/or audio to the program or preview output from the Control page as follows:

1.	Click the Video/Audio, Video, or Audio button to select both the video and audio
	planes, the video plane only, or the audio plane only for muting.
2.	Click the Program or Preview Black/Mute button. The Black/Mute button turns
	blue to indicate a video and audio mute or video only mute or yellow to
	indicate audio mute. If you muted the program output, the front panel Black
	and/or Mute LEDs light.

Click the Black/Mute button again to unmute the video and/or audio.

Freeze the output

You can freeze the program or preview video output by clicking the Program or Preview Freeze button. The Freeze button turns blue. When the output is frozen, the input can be removed and the ISS functions as a video store.

Click the Freeze button again to toggle freeze mode off.

Output a test pattern

You can select a test pattern to output on the program and/or preview monitor. The test patterns are helpful when adjusting the connected displays for color, convergence, focus, resolution, contrast, grayscale, and aspect ratio.

Output a test pattern as follows:

1.	Click the Ttest Pattern field. A drop down box appears (figure 6-4).

Figure 6-4 — Test pattern drop box

2.	Click the desired test pattern.
3.	Click the Program and/or Preview checkbox to turn on the test pattern.

Preview the scan rate

You can read the horizontal and vertical scan rate of the preview and program output by clicking

the Preview Scan Rate or Program Scan Rate button. The horizontal and vertical frequency are displayed in the Horizontal and Vertical fields on the page.

Blue screen

You can toggle Blue Only mode on and off by clicking the Blue Screen Mode On checkbox. Blue Only mode is helpful in the setup of the color and tint of the incoming video signal. In the Blue Only mode, only the sync and blue video signals are passed to the display.

Integration Seamless Switcher • Ethernet Operation

6-5

ISS 408, ISS 108 specifications

Extron Electronics is renowned for its contributions to the audiovisual industry, providing high-performance devices that meet the demands of professional environments. Two prominent products in their lineup are the ISS 108 and ISS 408 image scaling switchers, which are designed to enhance the management and quality of video signals in various applications.

The Extron ISS 108 is an 8x1 image scaling switcher that allows users to seamlessly switch between multiple video sources while ensuring high image quality. One of its main features is the ability to support a variety of video formats, including resolutions up to 4K. This versatility is crucial for applications in education, corporate settings, and events where different video sources may be required.

In terms of technology, the ISS 108 is equipped with advanced image scaling capabilities that improve the visual quality of the content being displayed. The device utilizes Extron's patented Vector 4K scaling technology, which enhances the clarity and detail of the images while maintaining the integrity of the source material. This technology is invaluable in environments where every detail matters, and it ensures that presentations are delivered at their best quality.

The ISS 408, on the other hand, takes the capabilities of the ISS 108 and elevates them further by offering 4x1 switching capabilities. This enables users to connect up to four video sources, giving them more flexibility in content management. The ISS 408 also supports 4K video resolutions, further solidifying Extron's commitment to delivering high-quality solutions.

Both models are designed with user-friendly interfaces, allowing for easy operation and integration into existing AV systems. They offer extensive control options, including RS-232 and Ethernet, enabling users to incorporate them into automation systems and control environments efficiently.

Another important characteristic of the ISS series is their built-in security features, such as password protection and lockout modes, which are essential for maintaining the integrity of sensitive content being delivered in corporate or educational settings.

In summary, the Extron ISS 108 and ISS 408 provide powerful solutions for image scaling and video switching. With advanced technologies like Vector 4K scaling, robust connectivity options, and intuitive control interfaces, these devices stand out as essential tools for any professional audiovisual application. Their focus on quality, flexibility, and security makes them ideal choices for enhancing video presentations in various environments.