Anytone At-5555n Ii Service Menu !new!

If your S-meter seems lazy or overly generous, these settings calibrate the signal strength indicator for incoming signals.

The service menu uses short, abbreviated codes on the LCD screen. While exact codes can vary slightly across firmware iterations, the standard parameters cover four main categories. 1. Power Output Alignment (PWR)

: Rotate the channel switch or VFO knob to cycle through the menu items. Adjusting Values : To change a value, press and hold the PTT (Push-to-Talk) button while rotating the channel switch.

If you do not own a calibrated service monitor, frequency counter, RF wattmeter, and dummy load, you should look but not touch. How to Access the AnyTone AT-5555N II Service Menu anytone at-5555n ii service menu

Every radio leaving the factory contains unique values written to its EEPROM memory. These custom numbers account for microscopic differences in component manufacturing tolerances. Calibration & Tuning Procedures 1. Correcting Clarifier Drift and SSB Step Issues

| Parameter | Function | Typical Adjustment | |-----------|----------|--------------------| | rEF | Reference oscillator (PLL) | Adjust with a frequency counter to ±10 Hz | | HI-PWR | High power AM carrier | Set to 4W carrier (or 12W PEP for SSB) | | MOD-AM | AM modulation depth | Aim for 95–100% at 1 kHz tone | | SSB-ALC | SSB peak power limiting | Avoid exceeding 30W PEP (legal limit varies) | | S-9 | S-meter calibration | Apply -73 dBm signal and set to S9 | | SQ-THR | Squelch threshold voltage | Minimize for weak signal squelch | | BIAS-ID | Idle current for final transistors | Adjust only if replacing finals (dangerous!) |

If you tell me what you're trying to achieve (e.g., , fixing SSB offset , or expanding the frequency range ), I can offer more tailored advice. Also, if you know your firmware version , that's always helpful! Share public link If your S-meter seems lazy or overly generous,

: Press and hold both the FUNC and SCAN buttons simultaneously on the front panel. Power On : While holding those buttons, turn the radio on. Release : Release the buttons once the LCD display changes.

It's essential to exercise caution when navigating the service menu, as incorrect settings can affect the performance and functionality of the radio. Make sure to consult the user manual or seek guidance from a qualified technician if you're unsure about making changes.

: Never change these settings without professional test equipment (frequency counters, signal generators). Improper adjustments can "unalign" the radio's transmission and reception across different modes. Always write down original factory values before making any changes. If you do not own a calibrated service

, a beast of a 10-meter radio that had gone strangely silent on the upper sideband

The AnyTone AT-5555N II (and its various re-branded counterparts) is a popular 10-meter amateur radio transceiver often utilized in the Citizens Band (CB) and Export markets. While the standard user interface allows for basic operational adjustments (frequency step, RF gain, squelch), the device utilizes a secondary, embedded Service Menu for hardware-level calibration.

Accessing the service menu on the AnyTone AT-5555N II requires holding the MENU and MODE buttons while powering on, followed by pressing the top row of buttons from DW to EMG. Because these settings control internal calibration and lack a factory reset option, users are advised to record all original values before making adjustments. Read more at WorldwideDX Radio Forum .

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Note: On some firmware versions, the entry method may be slightly different (e.g., holding LCR/MODE instead of BAND). If the above fails, try FUNC + MODE + Power.