FIGURE 1

EXAMPLE OF ANTENNA GROUNDING ACCORDING TO

NATIONAL ELECTRICAL CODE INSTRUCYIONS

CONTAINED IN ARTICLE 810 -"RADIO AND TELEVISION EQUIPMENT"

ANTENNA LEAD

IN WIRE

GROUND CLAMP

ELECTRIC

SERVICE EQUIPMENT

ANTENNA DISCHARGE UNIT (NEC SECTION 810-20)

GROUNDING CONDUCTORS (NEC SECTION 810-21)

GROUND CLAMPS

POWER SERVICE GROUNDING ELECTRODE SYSTEM

(NEC ART 250, PART H)

NEC - NATIONAL ELECTRICAL CODE

NOTE TO CATV SYSTEM INSTALLER:

This reminder is provided to call the CATV (Cable-TV) system installer's attention to Article 820-40 of the NEC, which provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as practical.

NOTE:

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful in- terference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guar- antee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the inter-

ference by one or more of the following measures:

–Reorient or relocate the receiving antenna.

–Increase the separation between the equipment and receiver.

–Connect the equipment into an outlet on a circuit different from that to which the receiver is con- nected.

–Consult the dealer or an experienced radio/TV technician for help.

NOTE:Changes or modifications may cause this unit to fail to comply with Part 15 of the FCC Rules and may void the user's authority to operate the equipment.

This Class B digital apparatus complies with Canadian ICES-003.

Cet appareil numérique de la Classe B est conforme à la norme NMB-003 du Canada.

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Marantz SR4120 manual NEC National Electrical Code
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SR4120 specifications

The Marantz SR4120 is a well-respected receiver that has gained a reputation for its exceptional performance and versatile capabilities. Designed with the audiophile in mind, this receiver combines high-quality sound reproduction with a robust array of features catering to home theater enthusiasts and casual listeners alike.

At the heart of the Marantz SR4120 is its high-performance amplification system. Producing 100 watts per channel, it ensures that even the most demanding audio systems are powered effectively. The unit is designed with a discrete power amplifier configuration, which enhances sound fidelity by minimizing distortion levels and improving dynamic range. This makes the SR4120 suitable for various audio formats, allowing users to enjoy their favorite music and movies with clarity and precision.

One of the standout features of the SR4120 is its multi-channel processing capability. It supports various surround sound formats, including Dolby Digital and DTS, making it ideal for home theater setups. The onboard DSP (Digital Signal Processing) capabilities ensure that sound is well-balanced and immersive, providing an enveloping listening experience.

The receiver also boasts a range of connectivity options, including multiple HDMI inputs, composite, and optical connections. This versatility allows users to integrate various devices such as Blu-ray players, gaming consoles, and streaming devices seamlessly. The SR4120 also features an AM/FM tuner, granting users access to a wide array of radio stations, further enhancing its functionality.

In addition to its audio capabilities, the SR4120 is user-friendly, equipped with a comprehensive remote control that allows for easy navigation of settings and inputs. The intuitive interface and on-screen menus simplify the setup process, making it accessible even for those who are not tech-savvy.

Another notable characteristic is the SR4120's build quality. Marantz is known for its attention to detail, and the SR4120 is no exception. The receiver is housed in a sturdy chassis that minimizes interference, ensuring that the sound quality remains uncompromised.

In summary, the Marantz SR4120 is a versatile and powerful receiver designed for home audio enthusiasts. With its high-performance amplification, multi-channel processing capabilities, and extensive connectivity options, it delivers an impressive sound experience. Whether for movies, music, or gaming, the SR4120 stands out as a reliable choice for anyone looking to elevate their home entertainment setup.
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