Retevis RT98 Mini Transceiver Powerful VHF Mobile Radio Car Radio, single band, light weight, easy to install, so how to set the key lock of Retevis RT98 Mini Compact Mobile Radio?
Press Fun key until F icon appears then press short press the volume key (power key) to lock the keys, and the up and down adjustment keys on the microphone are also locked, so which can be easy to operate.