: Adjusting service menu values without a high-quality frequency counter or power meter can permanently degrade your radio's performance. Google Groups Are you looking to re-align the frequency specifically, or are you trying to increase your modulation for better audio? Anytone 5555n Ii Service Menu - Google Groups
On some updated mainboards, the entry method has changed to prevent accidental entry: anytone at5555n ii service menu updated
While most of the 59 items are used for factory alignment, users frequently access specific settings for performance tweaks: : Adjusting service menu values without a high-quality
If the radio displays "------" or random numbers, the PLL has lost lock. the PLL has lost lock.