Transmitter LKV610HH 4K 120Hz HDMI Extender User Manual

: June 1, 2024
: Transmitter

Transmitter LKV610HH 4K 120Hz HDMI Extender User Manual

Important Safety Instructions

To prevent electric shock, please ensure that all apparatus is properly grounded.
Do not place this apparatus near or over a radiator or heat register, or where it is exposed to direct sunlight.
Place the device in a well-ventilated area, do not block any ventilation openings.
Do not expose this apparatus to rain or place it near water. Any liquid that goes into the apparatus may cause a failure, fire, or electric shock.
Do not place the device on an uneven or unstable surface. The device may fall resulting in a malfunction.
Never insert anything metallic into the open parts of this apparatus. This may cause a danger of electric shock.
If a three-party power supply is used, please ensure that the power supply specifications meet the product requirements.

Introduction

Featuring an HDMI transmitter and an HDMI receiver, this product achieves zero latency transmission via CAT6/6A/7 network cable of UHD audio and video signals. It supports 4K@60Hz video signal transmission up to 60 meters and 25 meters for 4K@120Hz. A variety of applications can be achieved with this kit, such as education, training, conferences, etc.

Features

Zero latency transmission.
Support up to 4K@120Hz resolution, backward compatible.
Compatible with Cat6/6A/7 network cable, transmission distance up to 60 meters for 4K@60Hz signal and 25 meters for 4K@100/120Hz signal.
Support RS-232 pass through.
Support IR pass back (20~60kHz).
Support HDR.
Support EDID pass through and auto down scaling.
The receiver supports 3.5mm stereo output.
Lightning protection, surge protection, ESD protection.

Package Contents

Transmitter x1
Receiver x1
DC5V/1A x2
User manual x1
IR receiver extension cable x1
IR blaster extension cable x1
Mounting ear x4
Screw x 10
Terminal block (RS-232) x 2

Installation Requirements

Item	Description	Requirement
Signal source	Devices with HDMI port (PC, DVD, NVR, etc.)	HDMI cable ≤5m
Cable	CAT6/6A/7, following standard IEEE-568B	CAT6/6A/7≤60m
Display device	TVs, projectors, etc. with HDMI port	HDMI cable ≤5m

Wall Mounting

Install the mounting ears on the unit according to the diagram, and select the wall mounting position to fix it.

Panel Description

Transmitter

1| IR output| Connect with IR blaster extension cable
---|---|---
2| RJ45 output| Connect with CAT6/6A/7 network cable
3| RS-232 (GND/RxD/TxD)| Used for RS-232 pass through
4| Status indicator| When there is power and no HDMI signal, the indicator will flash, when there is HDMI signal, the indicator will light solid
5| DC 5V| Connect with DC 5V power adaptor
6| HDMI input| Connect with HDMI source device with HDMI cable
7| Reset| Press to restart the device
Receiver

1	IR input	Connect with IR receiver extension cable
2	RJ45 input	Connect with CAT6/6A/7 network cable
3	RS-232 (GND/RxD/TxD	Used for RS-232 pass through
4	Status indicator	When there is power and no HDMI signal, the indicator

Installation Procedures

How to make a network cable

**Follow the standard of IEEE-568B:

**

white and orange
orange
white and green
blue
white and blue
green
white and brown
Brown

Connection Diagrams

Connection Diagram

Connection Instructions

Connect the source device to the HDMI IN port of the transmitter with an HDMI cable, and connect the HDMI OUT port of the receiver to the display device with another HDMI cable.
Use a Cat6/6A/7 cable to connect the RJ45 port of the transmitter and receiver.
If using IR passthrough, the IR blaster extension cable should plug in the IR OUT port of the transmitter, the IR receiver extension cable should plug in the IR IN port of the receiver.
If you need to output audio additionally, connect the speaker to the L/R port with a 3.5mm stereo audio cable.
Plug the power supply into the devices to get started.

IR User Guide

IR blaster

Power
IR Signal
Null

IR receiver

Power
IR Signal
Grounding
IR blaster extension cable should plug in the IR OUT port of the transmitter or receiver, IR receiver extension cable should plug in the IR IN port of the transmitter or receiver.
The emitter of the IR blaster extension cable should be as close as possible to the IR receiving window of the source device.
Point the remote control at the receiving head of the IR receiver extension cable to operate.
Note: IR pass back and RS-232 pass-through cannot be used or connected simultaneously to avoid interference.

RS-232 bi-directional pass back function:

Baud rate
Different encoding mechanisms cannot be mixed, the baud rate of the RS-232 port of this transmitter and receiver is 2400, 4800, 9600, 19200, 38400, 57600, 115200.

Line order
Make sure the RS-232 serial line is firmly connected and that the serial data line is connected correctly as follows:

FAQ

Q: The devices are connected correctly, but why is there no image

displayed?

A: 1) Please make sure the HDMI cable meets the transmission requirements. (e.g. 4K HDMI cable) 2) Please check and make sure the network cable is connected well. 3) Restart the transmitter or receiver by pressing the reset button.

Q: Why does the display occasionally have a black screen?

A: 1) Check if the length of the cable is within the specified range. 2) Reset the transmitter or receiver to re-built the connection.

Q: Why is the display color abnormal or no sound?

A: 1) Reset the transmitter or receiver to re-built the connection. 2) Check if the HDMI cables are connected well. 3) Reconnect the network cable.

Technical Parameters

Item	Transmitter	Receiver

Disclaimer

The product name and brand name may be registered trademark of related manufactures. ™ and may be omitted on the user manual. The pictures in this user manual are just for reference. We reserve the rights to make changes without further notice to a product or system described herein to improve reliability, function or design.
Company logo