How to active VOX function of H777S?

What is VOX function?How to use it?Let me introduce it to you.When using your walkie talkies,turn on this function,you don’t need press PTT button when transmiting. When VOX is on your working channel,speak to the microphone directly,it will transmit automatically.It looks like this function is very convenience,So how to operate is?Let’s learn it together. Firstly,please…

How to switch voice prompt of radios?

When many people using walkie talkies first time,they may can’t understand how to switch language, sometimes the voice prompt is Chinese,for people who don’t understand Chinese at all,it is very inconvenience.  So how to switch voice prompt so that let us use the walkie-talkies more conveniently,let’s learn this operate together. Take RT22 as an example.…