If you do not know which port is correct, you could try it one by oneģ)Then the Program and choose Read from Radio, all the settings will be shown on the screen, then you will be able to reset it as you like.Ĥ) Click the Program, and choose Write to Radio will be OKĥ) Remove the radio and connect other one, keep the radio power onĦ) Click the Program, and choose Write Data to Radio will be reprogrammed to the same settings with the first radio. (The files are not compatible with MAC )Ģ) Open the software, and use the programming cable to connect a radio with computer, the radio need keep power on, also you need to choose the correct port. You could download the software from our website:, please use the “USB Universal Driver”.ġ) Please kindly install the programming software and USB driver to your computer.
And the walkie-talkie without a keyboard needs to be programmed by connecting a computer through a programming cable.įor example the Retevis RT21. Usually the walkie-talkie can be programmed to change or set its own parameters (such as frequency or CTCSS).
