to get close to the target frequency before fine-tuning with fr0, fr4, fr5, fr9
Most service menus do not have a "reset to default" option. Changes made are written directly to the EEPROM. If the original values are not recorded before adjustment, it can be very difficult to restore the radio to its factory state. anytone at-5555n ii service menu
before making any changes. Improper adjustments can cause permanent frequency drift or hardware issues. RF Gain Fix to get close to the target frequency before
: Release the PTT to save the new value for that specific menu item. Exit : Turn the radio OFF to exit the service mode. Key Service Menu Items Setting Name CH-17 AMPOWL anytone at-5555n ii service menu
If successful, the screen will display (Factory Menu) or a numbered setting. Navigation and Controls