RT3S how to set keyboard lock?
Some customers after purchase RT3S,sometimes they will say the keyboard is useless,they will find out that keyboard is no respond when press the buttons.This maybe the keyboard islocked.When RT3S keyboard is locked,you can’t go into menu,you also can’t operate any features.Equally ,when you don’t want others operate your radio.you can lock it.So how tooperate this function […]
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