LENKENG LKV223 Point to Point HDMI Extender User Manual

User Manual
HDMI EXTENDER
Point to Point Extender

Important Safety Notice

1. Please distinguish the transmitter and receiver before installation.
2. Do not disassemble the machine to repair the product during the working process to avoid electric shock.
3. Please cut off the power before installation. Live installation may damage the equipment.
4. Do not expose the devices to rain, moisture, and liquid.
5. Use a 5V/500mA DC adapter only. Make sure the specification matched if using 3rd party DC adapters.

Introduction

This HDMI Extender includes a transmitter unit and a receiver unit, allowing the HDMI signal to be transmitted up to 70 meters at 1080p resolution using a Cat6/6A/7 network cable. It adopts a point-to-point connection configuration and supports bi-directional IR pass-back and 3.5 mm stereo audio output. It is perfect for outdoor advertising, monitor system, home entertainment, conference, etc.

Features

1. Zero latency.
2. Support up to 1080p@60Hz resolution.
3. Supports Cat6/6A/7 network cables, the transmission distance is up to 70 meters.
4. Support bi-directional IR pass-back function (20 —60KHz).
5. .Support 1080p HDR10, YUV4:4:4.
6. Support EDID passthrough.
7. The transmitter supports HDMI loop-out.
8. The receiver supports 3.5mm stereo audio output.
9. Audio formats supported: PCM, LPCM, DTS HD, DTS Audio.
10. Automatically adjusts parameters to match different network cables and achieve the best display performance.
11. Lightning Protection, Surge Protection, ESD Protection.

Package Contents

Installation Requirements

1. HDMI source device (compute graphics card, DVD, P53, )HD monitoring equipment, etc.
2. HDMI display devices like SDTV, HDTV, and projectors with HDMI port.
3. UTP/STP CAT6/CAT6A/CAT7 cable. Following standard IEEE-5686, It is recommended to select a network cable with less loss and crosstalk.

Interfaces

Transmitter (TX)

control used is within the range of the IR receiving device.
4| IR out| Connect the IR blaster extension cable, please keep the infrared transmitter as close as possible to the signal source device when using.
5| Power/Signal
indicator| An a.When power is on and no HDMI signal is transmitted the indicator flashes.
b.When power is on and HDMI signal is transmitted, the indicator is always on.
6| DC 5V input| Connect to the 5V500mA DC power adapter.
7| HDMI output| Connect to a local HDMI display device.
8| HDMI input| Connect to an HDMI source device.

Receiver (RX)

control used is within the range of the IR receiving device.
4| IR out| Connect the IR blaster extension cable, please keep the infrared transmitter as close as possible to the signal source device when using.
5| Power/Signal
indicator| An a.When power is on and no HDMI signal is transmitted the indicator flashes.
b.When power is on and HDMI signal is transmitted, the indicator is always on.
6| DCSV input| Connect to the 5V500mA DC power adapter.
7| 3.5mm L/R out| Connect headphones or power amplifiers to output stereo audio.
8| HDMI output|  Connect to an HDMI display device.

Installation Procedures

1. Connection

Note: When using the 3.5mm stereo audio jack, please switch the audio output format of the signal source to PCM format.
The network cable should follow the standard of IEEE-568B. It is recommended to select a network cable with less loss and crosstalk.

1. Orange/white
2. Orange
3. Green/white
4. Blue
5. Blue/white
6. Green
7. Brown/white
8. Brown

2. Connection instruction

1. 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.
2. Connect the CAT out port of the transmitter and the CAT in port of the receiver via a network cable (CAT6/CAT6A/CAT7).
3. If using HDMI loop out, connect the display device to the HDMI OUT port of the transmitter.
4. Plug the power supply into the device to get started. [NOTE]: It is recommended to use a length range within 2-70m network cable. If the cable is too short, there may be no display output because the signal is too strong. If the cable is too long, the output may be with poor quality.

3. IR User Guide

1. IR blaster extension cable should plug in the IR OUT port of the transmitter and receiver, and IR receiver extension cable should plug in the IR IN port of the transmitter and receiver.
2. The emitter of the IR blaster extension cable should be as close as possible to the IR receiving window of the source device.
3. Face the receiving head of the IR receiver extension cable to the user for convenient remote control.

FAQ

Q: There is no output on screen when all connections are correct? A:

1. Please make sure the HDMI cables support the resolution of the output signal from the source device.
2. Please check and make sure the network cable inserts to the Rj45 port well.
3. Restart the transmitter or receiver by pressing the reset button.

Q: Black screen happened on the display/monitor? A:

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

Q: The display shows unusual color 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.

Specification

1680×1050, 1920×1080, 4801@60Hz, 480p@60Hz, 576i@50Hz, 576p@50Hz, 720p@50/60Hz, 1080i@50/60Hz, 1080p@24/25/30/50/60Hz
HDMI Performance And Interface| Supports audio formats| PCM, LPCM, DTS HD, DTS Audio
Input and output TMDS signal| 0.7-1.2Vp-p(TMDS)
Input and output DDC signal| 5Vp-p(TTL)
Input cable length| 8m(AWG24)
Output cable length| 8m(AWG24)
Transmission Distance| Cat6/6A/7| <70m
Protection Level| Electrostatic protection of the whole machine| Implementation of the standard: IEC61000-4-2 la Contact discharge level 4 (8KV) lb Air discharge level 4 (15KV)
Operating Environment| Working temperature| -20-60°C
Storage temperature| -30-70°C
Humidity (no condensation)| 0— 90%RH
Body
Properties| Dimension| 75.0(L) x 80.0(W) x 18.0(H)mm
Material| Aluminum alloy material + crystal panel
Treatment process| Grit blast
Color| Black
Weight| TX: 160g RX:160g

Disclaimer
The product name and brand name may be registered trademarks of related manufacturers. ™ and ® may be omitted from the user manual.
The pictures in this user manual are just for reference. The terms HDMI, HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
We reserve the right to make changes without further notice to a product or system described herein to improve reliability, function or design.

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