Anytone At-5555n Ii Service Menu ✓

The AnyTone AT-5555N II is a powerful 10-meter radio, but its deepest configuration options are tucked away in a hidden service menu . While the standard background function menu

A Frequency Counter:

To ensure the reference oscillator is accurate. anytone at-5555n ii service menu

• Firmware version
• PCB/SN (serial number)
• Bootloader version

AM Modulation

: Controls the modulation swing. Lowering these values often increases modulation. Ch 52 RFG The AnyTone AT-5555N II is a powerful 10-meter

1. Power Down: Ensure the transceiver is completely turned off.
2. Button Depression: Simultaneously press and hold the FUNC button and the CALL button.
3. Power Application: While keeping both buttons depressed, turn the transceiver’s power switch to the ON position.
4. Entry Confirmation: The LCD display will illuminate and display the first Service Menu item (usually denoted as S1 or a similar alphanumeric code).
5. Release: Release the FUNC and CALL buttons.

The Service Menu of the AnyTone AT-5555N II is a powerful diagnostic tool that grants access to the fundamental operational constants of the transceiver. While essential for repair and optimization, it requires a disciplined approach and appropriate test equipment to utilize effectively. Technicians are advised to record the default values of all parameters before making adjustments to ensure the device can be restored to its prior state should an error occur. This paper provides the necessary theoretical framework for safe navigation of this hidden interface. AM Modulation : Controls the modulation swing

To enter the service menu, follow this specific power-on sequence: