Anytone At5555n Ii Service Menu Updated ~repack~ Official

To access the updated service menu on the AnyTone AT-5555N II, you can use a specific power-on key sequence. This hidden menu allows for calibration of power levels, modulation, and RF gain, though it should be used with extreme caution as there is no factory reset specifically for these internal service parameters. Accessing the Service Menu

Preparation: Connect the radio to a dummy load or a tuned antenna to prevent damage during testing.

Power On: While the radio is off, press and hold the [MENU] and [MODE] buttons.

Key Sequence: Turn the power on while holding those buttons. Within two seconds (while the LCD segments are displayed), release them and quickly press the following six buttons in order: [DW], [RB], [NB], [SCAN], [MEM], and [EMG].

Verification: If successful, the screen will display a mode like "FM" or a numbered menu item (e.g., #01), indicating you are in the factory service mode. Navigating and Adjusting Settings

Scrolling: Use the Channel Selector knob to cycle through the approximately 59 available menu items.

Viewing Values: To see the current value of a menu item, press and hold the PTT (Push-To-Talk) button on the microphone.

Changing Values: While holding the PTT, rotate the Channel Selector knob to increase or decrease the value.

Saving: Turn the radio off to save and exit the service menu. Common Service Menu Items anytone at5555n ii service menu updated

While exact item numbers can vary slightly between firmware updates, users frequently target these specific calibrations:

RF Gain Calibration (#52): Used to fix "noisy" receive issues where the S-meter shows signal (e.g., S7) with no actual input. Increasing this value (e.g., from 86 to 105) can help normalize the receiver.

AM Power (#16 & #17): Item #16 typically controls AM High Power (dead key) and #17 controls AM Low Power.

Modulation (#19 & #20): These settings often control the modulation swing for different modes.

Warning: Always write down your original factory values before making any changes. If you lose your original settings, there is no way to automatically restore the radio to its factory-calibrated state.

Unlocking the Full Potential of the Anytone AT-5555N II: A Guide to the Updated Service Menu

The Anytone AT-5555N II is a popular and versatile two-way radio that has been a favorite among amateur radio enthusiasts, emergency responders, and business users alike. With its robust feature set and reliable performance, it's no wonder that this radio has become a staple in many communication systems. Recently, an updated service menu has been made available, offering even more advanced features and customization options for users.

In this post, we'll take a closer look at the Anytone AT-5555N II and explore the new features and benefits of the updated service menu. To access the updated service menu on the

What is the Anytone AT-5555N II?

The Anytone AT-5555N II is a compact and rugged two-way radio that operates on both VHF and UHF frequencies. With a frequency range of 136-174 MHz and 400-470 MHz, this radio offers wide coverage and reliable communication. It features a 5-watt transmitter, 2000mAh battery, and a large LCD display, making it an ideal choice for both mobile and portable use.

What is the Service Menu?

The service menu is a hidden menu system that allows users to access advanced features and settings on their Anytone AT-5555N II radio. This menu is typically used by service technicians and advanced users to customize and troubleshoot the radio. The updated service menu offers a range of new features and options, including:

• New frequencies and channel plans: The updated service menu allows users to program new frequencies and channel plans, giving them more flexibility and customization options.
• Enhanced encryption: The new menu includes advanced encryption options, providing users with increased security and protection for their communications.
• Improved audio settings: Users can now adjust audio settings, such as tone squelch and audio gain, to optimize their listening experience.
• Diagnostic tools: The updated service menu includes diagnostic tools, allowing users to troubleshoot and diagnose issues with their radio.

How to Access the Updated Service Menu

To access the updated service menu on your Anytone AT-5555N II, follow these steps:

1. Turn off your radio.
2. Press and hold the "Menu" button while turning on the radio.
3. Release the "Menu" button when the display shows "Service Menu".
4. Use the navigation buttons to scroll through the menu options.

Benefits of the Updated Service Menu

The updated service menu offers a range of benefits for Anytone AT-5555N II users, including: New frequencies and channel plans : The updated

• Increased customization: With the updated service menu, users have more options for customizing their radio to suit their specific needs.
• Improved performance: The new menu includes features that can improve the performance and reliability of the radio.
• Enhanced security: The updated service menu provides users with advanced encryption options, ensuring that their communications are secure.

Conclusion

The Anytone AT-5555N II is a powerful and versatile two-way radio that offers reliable communication and advanced features. With the updated service menu, users can unlock even more customization options, improve performance, and enhance security. Whether you're an amateur radio enthusiast, emergency responder, or business user, the Anytone AT-5555N II with the updated service menu is an excellent choice for your communication needs.

Disclaimer

The information provided in this post is for educational purposes only. Users should exercise caution when accessing the service menu, as incorrect settings can potentially damage their radio. It's recommended that users consult the user manual or contact a qualified service technician if they're unsure about any aspect of the service menu.

The "AM Power" Drop Issue

In the updated service menu firmware, users often report that AM power cannot be raised to the level of FM power.

• Technical Explanation: The N II is designed primarily for FM/SSB. AM power is often capped via software in the Service Menu (AM PWR or AM PO) to prevent thermal damage to the heatsink, which is smaller than in previous models.
• Solution: There is typically a separate menu item for AM Carrier Power. Raising the Carrier Power does not increase peak power (PEP), it simply creates more heat. It is recommended to leave AM power at factory default (~10-15W Carrier).

Method B: The "Power + Band" Method (Updated Firmware)

On newer N II boards, the frequency expansion and service alignment are separated.

1. Power the radio OFF.
2. Press and hold the BAND button.
3. While holding BAND, turn the radio ON.
4. The display will typically flash or show a frequency band code (e.g., H, L).
5. Rotate the VFO knob to select the desired band expansion (often used for MARS/Cap modifications).

Method C: The "Hidden" Engineering Menu

For advanced calibration (PLL, Deviation, Power).

1. Turn the radio ON.
2. Press and hold the FUNC button for 2 seconds until the display changes (this enters the expanded user menu).
3. Navigate to the Menu Item 46 (or the highest number available, sometimes 48 or 50 depending on firmware).
4. If Menu 46 is named "RESET" or "FREQ", this is the gateway.
5. In some firmware versions, selecting "ON" for a specific hidden menu item unlocks the Service Mode access.

Method 1: The "Power + Function" Combo (Most Common)

1. Turn the radio OFF.
2. Press and hold the FUNC button on the microphone (or the front panel if applicable).
3. While holding the button, turn the radio ON.
4. The display will show an alignment value (usually starting with Squelch or RF Power). You can now release the button.