This LCD monitor can be controlled via personal computer or wireless remote control using an RS-232C connection.

MONITOR ID and IR CONTROL

Using one PC or one infrared wireless controller, up to 26 individual LCD4020/LCD4620 monitors can be controlled through a daisy chain via RS-232C connection.

1.Connect PC and LCD4020/LCD4620.

Connect a PCÕs RS-232C control output to the LCD4020/LCD4620Õs RS-232C input. You can then connect the RS-232C output from the LCD4020/LCD4620 to another LCD4020/LCD4620Õs RS-232C input. Up to 26 monitors can be connected using RS-232C.

2.Set Monitor ID and IR Control mode.

For proper operation, the Monitor ID should be set in the OSD menu of each monitor that is in the chain. The Monitor ID can be set under the ÒMULTI DISPLAYÓ menu in the OSD. The Monitor ID number can be set within a range from 1 to 26. No two monitors should share the same Monitor ID number. It is recommended to number each monitor in a daisy chain sequentially from 1. The first monitor in the daisy chain is designated as the primary monitor. Subsequent monitors with the chain are secondary monitors.

In the ÒADVANCED OPTIONÓ menu on the first monitor in the RS-232C daisy chain set the ÒIR CONTROLÓ to ÒPRIMARYÓ. Set the ÒIR CONTROLÓ to ÒSECONDARYÓ on all other monitors.

3.Press the “DISPLAY” button on the remote control while aiming at the “PRIMARY” monitor. The Information OSD will be shown at top left side of the screen.

Monitor ID: Displays the ID number of the current monitor within the daisy chain.

Target ID: Displays the ID number of the monitor that to be controlled via daisy chain from the current monitor.

Press the Ò+Ó or Ò-Ó buttons to change the ÒTarget IDÓ to show the ID number of the monitor to be controlled. To control the entire daisy chained monitors simultaneously, select ÒALLÓ as the ÒTarget ID.Ó

Note: If the monitor is in ECO Standby mode, RS-232C functionality is stopped.

4.Use the wireless remote controller to control the “SECONDARY” monitor while aiming at the “PRIMARY” monitor. The ÒMENU OSDÓ will appear on the selected target monitor.

NOTE: If the ÒID No.Ó mode select OSD is showing, press the ÒDISPLAYÓ button on the remote control while pointing at the ÒPRIMARYÓ monitor to clear this OSD.

HINT: If you lost control due to the incorrect setting of ÒIR CONTROLÓ, pressing the ÒDISPLAYÓ button on the remote control for 5 or more seconds will reset the ÒIR CONTROLÓ menu to ÒNORMALÓ function.

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NEC user manual English-31, Connect PC and LCD4020/LCD4620

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.