Anytone At5555n Ii Service Menu Work Jun 2026

However, for radio enthusiasts and technicians who want to push their rig to its absolute limits, standard user settings just won't cut it. That is where the hidden (or engineering menu) comes into play.

Entering the service menu on the AT-5555N II is not a simple button press. It requires a deliberate sequence, a holdover from the radio's lineage (originating from the Qixiang/AnyTone design family). To access it:

: Adjusts the peak envelope power for upper and lower sidebands. S-Meter and Squelch Calibration (SM / SQ)

Working in the engineering menu carries risks. Misconfiguration can result in distorted audio, low power output, or a permanently damaged transmitter stage. anytone at5555n ii service menu work

Over time, the internal reference oscillator can drift due to temperature changes and component aging. The frequency alignment parameter allows you to shift the master clock.

There is no official documentation for service menu settings. It is highly recommended to record original values

: Turn off the radio. Hold FUNC and EMG while powering on. Use the channel knob to switch between BAND 1 and BAND 2 , then press FUNC to confirm. However, for radio enthusiasts and technicians who want

The AnyTone AT-5555N II includes a hidden service menu used by technicians for calibration, diagnostics, and programming checks. This article documents how to safely access the service menu, common menu items and their meanings, recommended procedures, and safety precautions. Only qualified technicians should perform service-menu operations; incorrect settings can render the radio inoperable or violate regulatory rules.

This sequence should unlock the service menu, allowing access to calibration parameters. Understanding the Service Menu Functions The service menu on the AT-5555N II

Upon successful entry, the radio will boot to a blank or diagnostic screen, often displaying a version number (e.g., V2.0 or V3.0 ) and then entering a mode where the main VFO displays hexadecimal or numerical values. You will know you are inside because standard channel-changing buttons now adjust internal parameters like PLL reference oscillators, S-meter gain, and power amplifier bias. It requires a deliberate sequence, a holdover from

These values regulate the drive levels for the final amplifier stage. They are typically split by mode: : Sets the maximum carrier output.

The Ultimate Guide to the AnyTone AT-5555N II Go to product viewer dialog for this item. Service Menu The AnyTone AT-5555N II

If SSB signals sound robotic or high-pitched regardless of your clarifier position, the reference oscillator value in the service menu may have been altered. This requires a highly accurate frequency counter to fix.