1.When the function key "MENU" of the intercom is pressed, ① first see whether the keyboard is locked, if the screen prompts: locked please press the "#" key, then press the "#" key to unlock;② Check whether the "Menu key Close" function on the write frequency software is selected。If the MENU key Close function is selected, press the menu key to enter the menu function Settings.③ It may be a machine fault。
2.The sound of the switch or key operation of the phone cannot be adjusted. You can only adjust the call Volume by rotating the Power switch /Volume controller。
3.The walkie-talkie operates in mode 3, the rotary channel encoder does not change the channel number, and the walkie-talkie is always displayed on the channel it was on before setting the mode。