: You can adjust Squelch (SQ) levels from 1-36, toggle ECHO functions, or set SWR Protection .
: Adjusts the reference oscillator. If local operators inform you that your voice sounds slightly off-frequency or high-pitched on SSB, this digital trim value aligns the master clock to ensure you are perfectly on frequency. Steps for a Standard Optimization Tune-Up
Adjusts the depth of the AM voice modulation. Setting this too high results in clipped, distorted audio; setting it too low yields quiet transmission. anytone at5555n ii service menu updated
Once your adjustments are complete, press and hold the FUNC button until the radio saves the settings, or simply turn the radio off and back on to power cycle into regular operating mode. Explaining the Updated Service Menu Parameters
switch. Some settings are shared, while others must be tuned per mode (AM/FM/USB/LSB). Adjustment Order : If your radio is off-frequency on SSB, adjust first, then use : You can adjust Squelch (SQ) levels from
The AnyTone AT-5555N II (and its various brand variants like the CRT Megapro) is a popular choice for 10-meter radio enthusiasts. While the standard user menu allows for basic adjustments, the provides access to critical calibration settings for RF power, squelch, and frequency offset.
(Beat Frequency Oscillator). This is crucial for clear SSB (USB/LSB) reception. fr0, fr4, fr5, fr9 : These correspond to the limit voltages Steps for a Standard Optimization Tune-Up Adjusts the
Controls the maximum width of the FM signal. Standard compliance usually dictates a peak deviation of 2.5 kHz for narrow or 5.0 kHz for wideband. Excess deviation causes splatter onto adjacent channels.
: Never adjust internal alignment parameters blindly. Use a calibrated SWR/Power meter, a dummy load, and ideally an oscilloscope or frequency counter. How to Access the Service Menu
service menu and the crucial settings required for peak performance. What is the AnyTone AT-5555N II Service Menu? The on the AnyTone AT-5555N II
To enter the hidden service menu, follow these steps precisely: : Ensure the radio is powered off.