: Power cycle the radio to save your changes and return to normal operation.
: Press and hold the MENU and MODE buttons simultaneously. Power On : While holding these buttons, turn the radio ON . anytone at5555n ii service menu work
| Issue | Probable Cause | Solution | | :--- | :--- | :--- | | Radio won't TX after adjustment | Lowered P-07 to 0 accidentally | Re-enter menu. P-07 minimum is 1. Set to 20 as baseline. | | Frequency jumps wildly on SSB | P-32 set too high/low | Reset P-32 to default (typically 128 or 130). | | AM audio sounds distorted | P-45 set over 220 (100%+ mod) | Reduce P-45 to 190-210 range for clean audio. | | Settings revert after power cycle | Forgot to save with FUNC button | Repeat adjustment, then hold FUNC until beep. | | Screen shows "P-01" but can't change values | Lock engaged? Knob broken? | Turn the main channel encoder, not the volume knob. | : Power cycle the radio to save your
: Adjusts the 10.24MHz Beat Frequency Oscillator (BFO) frequency. | Issue | Probable Cause | Solution |
Are you looking to fix a like off-frequency operation or high background noise? Anytone 5555n Ii Service Menu - Google Groups
