ClearClick WRT21 Wireless HDMI Transmitter and Receiver Kit User Manual
- July 26, 2024
- ClearClick
Table of Contents
ClearClick WRT21 Wireless HDMI Transmitter and Receiver Kit
Preface
Thank you for purchasing the products, For optimum operation, please read this manual carefully before use.
Product Overview
Transmitter-TX
How to Use
Combination of receiver and transmitter, plug and play
- Connect the HD port of the receiver to the video input port of the display device such as the monitor or TV.
- Connect the power supply port of the receiver to the charging cable and plug it into the power adapter ( Voltage above 5V, current above 2A)
- Adjust the HD Signal source of the monitor or TV to the corresponding HD port until the boot screen is displayed.
- Connect the transmitter to the computer or other devices with HD video output function . After the indicator light enters the fast flash state , wait for ten seconds to complete casting.
Please make sure that the power of the computer is suffcient. If the power supply of the computer is insuffcient or HD is unable to supply power , please connect the transmitter to the power adapter or power supply port ( Voltage above 5V , current above 2A )
Pairing Instructions
The product has been paired out of the factory. In case of pairing failure due to improper operation or other circumstances during use, it is necessary to restore and repair the device as follows:
- Receiver RX-Function Button, long press for more than 6 seconds, after a black screen appears and restart, enter pairing mode.
- Transmitter TX-Function Button, long press for 6 seconds, until the indicator lights off for 1second, then the indicator will flash for pairing, wait for the transmitter indicator to be always on, indicating that the connection is successful.
Note: An RX can be paired with up to seven TXS.
Problem Solving
Q:How should the connection be setup?
A:During the product connection process, the signal light will flash.
Once successfully connected, the signal light will stop flashing. Do not press
the buttons on the transmitter during the connection process. Holding down the
transmitter button for an extended period without releasing it will caused
pairing failure with the receiver and preventing screen mirroring.
Q:Why is the connection not stable sometimes?
A:Please make sure the power supply for each transmitter and receiver is
both 5V/2A, because if the power supply from either side is not sufficient,
the HDMI transmitter & receiver will disconnect.
Q:Unable to connect, continuously searching for signal sources?
A:Please ensure correct product connections. TX and RX should be
connected appropriately. If the playback device displays a black screen or
continuously shows an HDMI signal connection, note that TX is the signal
transmitting end for connecting output devices (such as computers and
laptops), while RX is the signal receiving end for connecting playback
devices.
Q:Why does the image appear to shake/disconnect?
A:Please make sure you are using a 5V/2A power supply. Unstable currents
from power banks and some computers can lead to image shaking issues. Switch
to a 5V/2A power supply before use.
Q:How to restore and repair the device?
A:1.When the product fails, Receiver function button, long press for 6
seconds. Artier a black screen appears and restart, the factory settings will
be restored.
Transmitter function button, long press for 6 seconds, until the indicator
lights off for 1second, then the indicator will flash for pairing, wait for
the transmitter indicator to be always on, indicating that the connection is
successful.
Q: What is the usage of the LED display on transmitter?
A: You can view Power Status, Connection Status, Signal Strength, Video
Output Status on the LED display.
Q: How to enter privacy mode?
A:Tap the transmitter function button to disconnect or reconnect.
Q: Incompatibility with my smartphone/tablet? Does it support cameras/DV?
A: This product only supports usage with computers, laptops, TV boxes,
cameras, DV and other devices with HDMI interfaces. It does not support most
smartphones/tablets or iPads, unless the smartphone/tablet Type-C support
DisplayPort(DP) protocol. Please use cameras/DV HDMI converters to connect
cameras & DV.
Q:Unclear video quality and inability to play 4K videos?
A:The product supports 4K decoding but outputs at 1080P. The optimal
transmission effect is 4K, but the actual video quality is influenced by the
hardware of your devices.
Q: Can devices without HD interface be used?
A: Yes, please use the device with an HD interface converter.
Q: Maximum transmission distance and latency effects?
A: The product’s maximum transmission distance is 100 feet/30 meters.
With a latency of less than 0.1 second. A stable 5V/2A power supply is
required during use to ensure consistent signal transmission.
Q:Does the wireless HDMI transmitter and receiver have latency?
A: All wireless transmitters have some slight delay, the latency is lower
than 0.1s which is hard to feel. There is not influence for watching movies/
business presentation. But not recommended for playing games that have high
requirement for low latency, may have a littlie influence on some games.
Note: lf the above QA does not solve your problem, please contact our customer service.
§ 15.105 Information to the user.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help
The device must not be co-located or operating in conjunction with any other antenna or transmitter.
* RF warning for Portable device:
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
High power radars are allocated as primary users of the 5.25 to 5.35 GHz and 5.
65 to 5.85 GHz bands. These radar stations can cause interference with and/or damage this device. No configuration controls are provided for this wireless equipment allowing any change in the frequency of operations outside the FCC grant of authorization for US operation according to Part 15.407 of the FCC rules
§ 15.19 Labelling requirements.
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions:(1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
§ 15.21 Information to user.
Any Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
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