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How to Install and Configure the HD Character Overlay Device K3A - Step-by-Step Guide

Learn how to install and set up the Xudongtai HD Character Overlay Device K3A with this detailed step-by-step guide. From hardware connections and USB-to-RS232 driver installation to IP configuration, software control, and remote functions, this tutorial covers everything you need to display custom text, adjust fonts, and manage overlay settings with ease.

2025-10-29 ekl

How to extend the HDMI^® signal for 70-100m without compression? HE101 Installation and Use Tutorial

HE101 is designed without compression and uses single network cable extension technology, which can extend 1920 * 1080p HDMI^® signal by 100 meters and 4k * 2k HDMI^® signal by 70 meters; It also supports simultaneous transmission of two-way RS-232 and two-way infrared signals; Convenient for audio and video engineering

2024-05-31 ekL

How to use 4-port USB3.0 HDMI^® KVM seamless switch 41H?

Support 4 computer hosts to share a display, 1 set of keyboard and mouse, 1 printer, 1 U disk USB3.0 HDMI^® KVM seamless switch 41H, compatible with Windows, Linux, Mac OS

2023-07-28 ekl

8-in 2-out HDMI^® seamless switcher 812HA connection use graphic tutorial

812HA is an 8-in 2-out HDMI^® seamless switcher, which can be installed on the rack; it supports 8-way HDMI^® input and 2-way HDMI^® (same screen) simultaneous output and screen split display function

2023-07-27 ekl

What are the types of common optical fiber audio cables? What's the difference

Optical fiber audio cable is a technology that uses optical fiber to transmit digital audio signals. It is a high-speed, high-quality, and high-security audio transmission method that can transmit multi-channel surround sound signals.

2023-06-27 ekl

The coaxial audio cable and the Lotus audio cable both look the same, is there any difference?

Coaxial audio cable and lotus audio cable are two common audio cables, both of which can be used to connect different devices in the audio system, such as computers, decoders, power amplifiers, etc., but there are also some differences and characteristics. Although the appearance of the plug looks the same, there are still some differences between the coaxial audio cable and the Lotus audio cable.

2023-06-20 ekl

Differences, comparisons and applications of common VGA cables, DVI cables, HDMI^® cables, DP cables, SDI cables, and Thunderbolt 4 cables

In modern display devices, there are many different interfaces and cables for transmitting video and audio signals. This article will introduce six common interfaces and cables: VGA cable, DVI cable, HDMI^® cable, DP cable, SDI cable and Thunderbolt 4 cable

2023-06-16 ekl

Functions and Application Scenarios of VGA to AV Converter

A VGA to AV converter is a signal conversion device used to convert the VGA video signal of a computer or other VGA signal source host into an AV signal for display on a TV, projector or other display devices that support AV input.

2023-05-23 ekl