: Use the Channel Selector knob to cycle through the approximately 59 available menu items.
If the radio displays "------" or random numbers, the PLL has lost lock. anytone at5555n ii service menu updated
Service Menu Access, Firmware Variants, and Hardware Alignment Platform: Anytone AT-5555N II / CRT SS 7900 / Intek H-520 : Use the Channel Selector knob to cycle
: Key the microphone (PTT) to view the current value of a selected menu item. anytone at5555n ii service menu updated
Because this is an guide, you must verify your firmware version. The classic key-combo no longer works on newer units.