: Turn off the radio. Hold FUNC and EMG while powering on. Use the channel knob to switch between BAND 1 and BAND 2 , then press FUNC to confirm.
: Connect the radio to a dummy load or an antenna with a perfect SWR before entering the menu to prevent damage during testing. How to Access the Service Menu Accessing the service menu on the AT-5555N II anytone at5555n ii service menu work
: Press and hold the MENU and MODE buttons simultaneously. Power On : While holding these buttons, turn the radio ON . : Turn off the radio
: Power the radio OFF and ON again to save your changes and return to normal operation. Key Service Menu Settings : Connect the radio to a dummy load
: Use the Channel Selector knob to cycle through the available parameters (there are roughly 53 in total). View/Change Values :
Once inside the menu, navigation is handled through the front panel controls and the microphone.