FAQ center

Questions:

1. What are the main differences between the LKV373A and the LKV373?

2. How can I replace the input and output card of Lenkeng modular matrix?

3. What kinds of switch should I buy for LKV383 one to many connection?

4. What kinds of switch should I buy for LKV383POE one to many connection?

5. Network cables, which one for me?

6. How to make a Cat5e/6 network cable?

7. Why am I not seeing a picture on my HD display or projector when it’s connected to the HDTV source?

8. TV display “Waiting for connection” on the right corner?

9. TV display “Please check the TX input signal”?

10. Display not fluent, not stable?

11. Do I need any extra hardware to install your products?

12. How to remotely manage the display content?

13. I bought a HDMI cable, when connecting the PC motherboard port, no display, why?

14. Where do I find installation/assembly instructions?

15. What certification does lenkeng products pass through?

16. Where can I get firmware update for my Lenkeng products?

17. How to power the extender with POE function?

18. How do I become a Lenkeng distributor?

19. How do I get pricing information or pricing for large orders?

20. Are there discounts available for large orders?

21. At what tradeshows does Lenkeng exhibit?

 


1. What are the main differences between the LKV373A and the LKV373?

The LKV373A adopts newest V3.0 Technoloy, with clearer picture quality, longer distance, stronger compatibility and so on. The main differences are distance and compatibility performance and are summarized in the following table:

2. How can I replace the input and output card of Lenkeng modular matrix?

Lenkeng modular matrix is pre-installed with HDMI input card and CAT6 output card, you can change for VGA/SDI/DVI input card and Fiber output card.


3. What kinds of switch should I buy for LKV383 one to many connection?

There is no stick request on switch for LKV383 one to many connection, the common switch with 100Mbps is recommended in LAN transmission.


4. What kinds of switch should I buy for LKV383POE one to many connection?

You should buy POE switch with IEEE802.3af international standard for normal work.


5. Network cables, which one for me?

It depends on how long distance your engineer need. Lenkeng HDbitT products can compatible with CAT5/5e/6 cable, and the transmission will be 80m over CAT5, 100m over CAT5e, 120m over CAT6.


6. How to make a Cat5e/6 network cable?


            Follow the standard of IEEE-568B:

1

white and orange

4

blue

7

white and brown

2

orange

5

white and blue

8

brown

3

white and green

6

green

 


7. Why am I not seeing a picture on my HD display or projector when it’s connected to the HDTV source?

One of the most common problems with HDTV sources not working with monitors or projectors is HDCP (high definition content protection). HDCP compliant sources (DVD players, satellite receivers, cable boxes) all require a HDCP compliant display. Often you will see a picture producing snow if your display is not in HDCP compliance. There is no workaround for HDCP. You must have a HDCP compliant display in order to view protected content.


8. TV display “Waiting for connection” on the right corner

Please check if the power supply of TX (Sender) and switcher(if used) is connected, and make sure connecting cable is firmly.


9. TV display “Please check the TX input signal”

1) please check  if there is a HDMI signal input of TX;

2) Try to connect the signal source directly to display device to see if there is signal output from source device, or change the signal source, HDMI wire and try again.


10. Display not fluent, not stable?

1) Please check the cable length between the TX to switch, the switch to the RX and the connection between each level is within the required range;

2) Click the "reset" button on the TX/RX front panel, , reset and reconnect.


11. Do I need any extra hardware to install your products?

Many Lenkeng products are pure and complete hardware design, easy to set, and plug and play. Some products require additional mounting hardware. If additional hardware or mounting components are required, this will be noted on the product page.


12. How to remotely manage the display content?

Lenkeng product support IR remote control, IP control, panel button control, RS232 series control.

13. I bought a HDMI cable, when connecting the PC motherboard port, no display, why?

Please plug the HDMI cable to the PC discrete graphics HDMI connector, and adjust the monitor signal source to HDMI.

14. Where do I find installation/assembly instructions?

All Lenkeng products are shipped with complete and easy-to-use instruction sheets. If you want to read through a product instruction sheet before you buy a product, you can view or download the instruction sheet (in pdf/jpg format) from our official website: www.lenkeng.net of the product page” Download”.

 

15.  What certification does lenkeng products pass through?

Lenkeng has more than 20 patents, dozens of intellectual property rights, and hundreds of products with HDCP/CE/FCC/ROHS/ISO9001 international certification. Besides, the company is also a member of HDMI, and HDBaseT Alliance.


16. Where can I get firmware update for my Lenkeng products?

Please contact our Support Department, the email is support@lenkeng.com.


17. How to power the extender with POE function?

Both transmitter and receiver can be powered by POE powered device which supported and compliant with IEEE802.3af international standard switcher, the maximal wattage of the transmitter or receiver is 10w only, or use exteral 5V power supply for alternative. But please do not connect POE power supply and 5V power supply at the same time, choose each one would work.


18. How do I become a Lenkeng distributor?

Please contact our Sales Department.


19. How do I get pricing information or pricing for large orders?

You can ask your sales manager, or you can contact Sales Department.


20. Are there discounts available for large orders?

Yes. Orders of higher quantities will receive a discounted per unit price. If your quantity get the company MOQ, we will give you more discount. For specifics, contact Sales Department or your sales rep.


21. At what tradeshows does Lenkeng exhibit?

Lenkeng exhibits at the professional A/V industry trade shows like InfoComm, InfoComm China, ISE. Please keep contact with us to see where you can meet up with us.


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