The original pair works great with TX RX included package. But I want to use 1 transmitter to 3 receivers, and first I did not know how to pair the additional RX, after contacting the seller to get the new pair solution, it was so easy to pair. The seller told me follow these three steps:1. Power up TX and RX with 12V1A power adapter for about 3-5 seconds first. Noted: must power up TX and RX firstly.2. Connect the TX and RX with HDMI cable, then waiting about 5-10s for auto-pairing3. Done.Good guide, very easy to pair, I recommend it. Especially add additional RX.
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