Anytone At-5555n Ii Service Menu Patched Jun 2026

: Controls the Local Oscillator offset. Experts recommend adjusting this

For operators looking to optimize audio punch without over-modulating or introducing splatter across channels:

If the radio behaves erratically after exiting the menu:

Operational Analysis and Technical Procedures: Accessing and Interpreting the Service Menu of the AnyTone AT-5555N II anytone at-5555n ii service menu

A common complaint with some AT-5555N II units is an elevated noise floor (e.g., an S5-S7 reading with no antenna connected). A popular workaround is to adjust the service menu:

Controls the graduation of the power meter blocks when transmitting into a 50-ohm dummy load. 4. Squelch Thresholds (ASQ & Manual Squelch)

Once inside the service menu, you rotate the channel selector knob to cycle through the available adjustment states. Pressing the channel knob or FUNC button typically selects the parameter for editing. : Controls the Local Oscillator offset

Note: On some firmware revisions, the button combination may be FUNC + SCAN. If the above procedure fails, utilize the secondary combination.

Controls how wide the signal spreads in FM mode. It should be strictly limited (typically to 2.5 kHz or 5.0 kHz depending on local regulations) to avoid bleeding into adjacent channels.

If your radio is slightly off-frequency (people tell you you sound "bassy" or "muffled" on SSB): Note: On some firmware revisions, the button combination

: Within that 2-second window, release MENU and MODE, then quickly press these buttons in order: RB, NB, SCAN, MEM, EMG

If your radio reports an "S9" signal on an empty channel, or fails to register strong incoming signals, the receiver calibration parameters can fix it.