NEC 4620, 4020 user manual Connecting to a TV, Precautions when connecting the antenna, English-20

Models: 4020 4620

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Connecting to a TV*

Precautions when connecting the antenna

¥Use a coaxial cable which is free from

interference. Avoid using a parallel flat wire as interference may occur, causing the reception to become unstable and noise to appear on the screen.

¥Avoid using an indoor antenna as this may be affected by interference and poor reception.

¥Cable distribution system should be grounded

(earthed) in accordance with ANSI/NFPA 70, the National Electrical Code (NEC), in particular Section 820.93, Grounding of Outer Conductive Shield of a Coaxial Cable.

¥ Keep the power cord as far away from the antenna wire as possible.

¥ Auto Tuning. Please refer to page 29.

VHF(300-Ohm) antenna / UHF antenna ¥ When using a 300-ohm twin lead from an

outdoor antenna, connect the VHF or UHF

antenna leads to the screws of the VHF or UHF adapter.

Plug the 300-ohm to 75-ohm adapter into the antenna on the LCD MONITOR.

¥When both VHF and UHF antennas are combined: Attach an optional antenna cable signal combiner to the LCD MONITOR antenna terminal, and connect the cables to the antenna mixer. Consult your local electronics retailer about available signal combiners.

Reconnect the unit to the power source and turn on the power

¥Using the Remote Control or User Controls, select the ÒTV TUNERÓ. Select the appropriate menu based upon which source (cable or antenna) is being used.

¥Refer to page 29 for further information on the ÒTV TUNERÓ as well as for information on how to use the ÒCHANNEL SEARCHÓ function to program available channels.

CAUTION: The screen of the coaxial cable is intended to be connectd to earth in the building installation.

TELETEXT SELECT

Press the button between TV (VIDEO) picture, TELETEXT or

MIXED.

TV PICTURE TELETEXT MIXED [TV & TELETEXT]

PAGE SELECTION

Use the KEYPAD buttons 0 to 9 to select the required page (3 digit number).

PAGE UP/DOWN

Press the CH +/- buttons to increase or decrease the page number selected.

HOLD

Some TELETEXT information is contained in more than one page. The pages automatically changing after a given reading time. Press the STILL ON/OFF button to stop the page changing (the

symbol will appear on the page heading).

Press the STILL ON/OFF button again to allow the page to change

(the symbol will disappear).

REVEAL

Some TELETEXT pages contain quiz or game questions with hidden answers.

Press the STILL CAPTURE button to see the answers. Press the STILL CAPTURE button again to hide the answers.

CANCEL

1.Periodically revised NEWS FLASHES can be obtained from TELETEXT broadcasts.

Select the News Flash page in TELETEXT mode then press the PIP ON/OFF button.

You can now watch the TV program and every time the news flash page is updated it will be automatically displayed in the TV picture.

Press the PIP ON/OFF button to cause the news flash to disappear.

2.When a page is selected in TELETEXT mode it may take some time before it becomes available, pressing the PIP ON/OFF button will switch to the TV mode.

When the required page is found the page number will appear at the top of the TV picture, press the PIP ON/OFF button to return to the selected TELETEXT page.

Note: You cannot change TV program while in this mode.

FAST TEXT (For possible future reference)

The ÒPICTURE MODEÓ, ÒSIZEÓ, ÒSOUNDÓ and ÒAUDIO INPUTÓ buttons are used for quick access to color coded pages transmitted by FAST TEXT broadcast.

RED: PICTURE MODE

GREEN: SIZE

YELLOW: SOUND

CYAN: AUDIO INPUT

INDEX

Press the GUIDE button to select the INDEX page.

*: The product you purchased may not have this feature.

English-20

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NEC 4620, 4020 user manual Connecting to a TV, Precautions when connecting the antenna, English-20

4020, 4620 specifications

The NEC 4620 and NEC 4020 are significant models in the realm of telecommunications, particularly noted for their sophistication and capabilities in network management and communication systems. These systems have been crucial in advancing telecommunications infrastructure for businesses and organizations, delivering efficient solutions to manage calling patterns and other communication functions.

The NEC 4620 is renowned for its robust performance and versatility. Designed for small to medium-sized enterprises, this model integrates voice and data communication seamlessly. One of its main features is the support for both legacy telephone systems and modern VoIP technology, allowing businesses to transition gradually while ensuring no disruption in service. It also supports a wide range of telephony applications, enhancing its functionality and usability across various business environments.

A standout characteristic of the NEC 4620 is its scalability. It can be easily expanded to accommodate the growing needs of an organization, providing investment protection as businesses evolve. The system also boasts advanced call handling features, including call forwarding, voicemail, and conferencing capabilities, ensuring efficient communication within and outside the organization.

On the other hand, the NEC 4020 targets larger enterprises with more demanding communication needs. It offers higher capacity and more extensive integration options. This model is built with advanced technologies that support unified communications, allowing seamless collaboration among team members. One of its key technological advancements is its ability to integrate with various third-party applications, providing organizations with customized solutions that cater to their unique workflow and operational requirements.

Both the NEC 4620 and 4020 embrace the concept of unified communications, ensuring that voice, video, and data are effectively converged. This capability not only enhances productivity but also promotes better customer service through improved response times and communication transparency. Additionally, these systems are equipped with robust security features, ensuring that sensitive communication data remains protected from unauthorized access.

With their state-of-the-art technologies and features, the NEC 4620 and 4020 represent a significant investment in the future of organizational communication. As businesses increasingly rely on advanced telecommunications systems to drive growth and efficiency, these models stand out as premier solutions that empower organizations to navigate the complexities of modern communication effectively.