Chapter 4—Setup Adjustments

15.When the upper left corner is converged satisfactorily, press ENTER to return to the MOVE/SIZE MODE.Toggle the MODE KEY to the MOVE MODE. Refer to Figure 4.0-12 on page 4-26 and center the cursor over each of the positions in the sequence shown, wherever convergence is required, repeating the MOVE/SIZE/ADJUSTMENT steps for each area that needs convergence.

16.When finished using full screen cursor, press ENTER and toggle the MODE

KEY to the SIZE MODE.

17.Use the arrow keys to size down to a cursor of approximately ¼ screen size.

18.Select the areas to be converged and converge the entire screen in the sequence shown in Figure 4.0-13 on page 4-26. Start at the upper left corner and continue in the same manner as performed with the full screen cursor in Step 15.

19.Save changes when finished with XY Registration.

4.7.Black Level (G2) and Sensitivity Offset

G2 sets the threshold of the CRT image and is adjusted, along with the Sensitivity Offset adjustment, using the Grey/Pluge test pattern. Together, these adjustments determine the level of the darkest and brightest areas of the video image.

The G2 adjustment is preset at the factory and may need little or no adjustment. These adjustments are made in sequence, one (1) color at a time. It is preferable to start with Blue because it is the weakest color of the three (3) to observe. When the Blue settings are complete, the same adjustments are performed for Green and Red.

4.7.1.Black Level (G2)

To set the Black Level for Blue:

1.Use the RGB and HIDE KEYS to hide R and G. Verify that the

SHUTTERS ON HIDE box under the SYSTEMS-PREFERENCES MENU is

checked.

2.Toggle the RGB KEY to select B only.

CAUTION!!! Ensure that only the color to be adjusted is highlighted. Otherwise all colors are reset and good data from a previous setup will be deleted.

3.Access CONVERGENCE MENU and select RESET.

4.Access the Grey/Pluge test pattern.

5.Access BLACK LEVEL (G2), from the CONVERGENCE MENU.

6.Use the up/down arrow keys to adjust the black level so the small, black square in the center of the larger black square is just barely visible (as illustrated in Figure 4.0-17). Press ENTER when finished.

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Hughes-JVC Technology Corporation

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JVC CB100 manual Black Level G2 and Sensitivity Offset, To set the Black Level for Blue
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CB100 specifications

The JVC CB100 is a versatile and compact Bluetooth speaker designed to deliver rich sound quality and ease of portability for music enthusiasts on the go. One of its most notable features is its robust wireless connectivity, enabling users to easily pair their smartphones, tablets, or laptops via Bluetooth within a range of up to 33 feet (10 meters). This flexibility allows for seamless audio streaming without the hassle of cables, making it perfect for outdoor gatherings, parties, or simply relaxing at home.

The CB100 is engineered with high-performance audio drivers that provide a well-balanced sound profile. Its enhanced bass response ensures that low frequencies are reproduced with clarity and depth, while midrange frequencies maintain a crisp and clear audio experience, ideal for all genres of music. The speaker also supports advanced audio technologies such as DSP (Digital Signal Processing) to optimize sound performance, ensuring that the audio output remains consistent even at different volume levels.

In terms of design, the JVC CB100 features a sleek and modern aesthetic that makes it an attractive addition to any space. It is lightweight and compact, allowing for easy portability, whether you’re heading to the beach, a picnic, or traveling. The durable construction of the speaker adds another layer of appeal, as it is built to withstand everyday wear and tear, making it both a stylish and practical choice for mobile audio solutions.

The speaker also includes an impressive battery life, providing several hours of playback time on a single charge. This longevity ensures that you can enjoy uninterrupted music sessions without the need for frequent recharges. Additionally, it is equipped with USB-C charging, which not only facilitates faster charging times but also enhances convenience for users.

Moreover, the JVC CB100 is designed with user-friendly controls, allowing individuals to easily navigate their playlists and adjust volume levels with the press of a button. This ease of use ensures that listeners can quickly switch between their favorite tracks or respond to calls with integrated hands-free capabilities.

In conclusion, the JVC CB100 combines portability, advanced audio technology, and modern design, making it an excellent choice for music lovers who appreciate quality sound and convenience in their listening experience. Whether at home or on the move, the CB100's features make it a versatile and reliable companion for all audio needs.
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