Ats-25 Radio Manual Pdf Jun 2026

The "Max" and "Max-Decoder" designations indicate this is a significant upgrade from the original. The core addition is a dedicated hardware decoder board that enables on-the-fly decoding of digital modes like CW, RTTY, FT8, FT4, HELL, and PSK, without needing a PC. It also adds Wi-Fi connectivity for firmware updates.

Tap the button on the touchscreen to open the digital keypad.

The most comprehensive manuals are actually hosted on hobbyist repositories. Search for . Users like F6DQM (a famous radio firmware developer) often package a .pdf manual inside their firmware zip files. The Groups.io forum for the ATS-25 is another goldmine, where pinned posts contain the latest revision of the manual.

Search for the "PU2CLR Si4735" or "ATS-25 firmware" repositories, where developers upload English-language user guides. ats-25 radio manual pdf

Understanding the hardware capabilities of your ATS-25 helps you maximize its performance across different bands. 2.4-inch color touchscreen layout.

: Covers FM (64–108 MHz), LW (153–500 kHz), MW (520–1710 kHz), and SW (1.73–30 MHz).

Used for charging the internal battery and flashing updated firmware via a computer. The "Max" and "Max-Decoder" designations indicate this is

Capable of decoding FT8 and other modes when connected to Wi-Fi.

The large knob on the front panel adjusts frequencies. Pressing it down changes the tuning step size (e.g., 1kHz, 5kHz, 9kHz, 10kHz).

If you have downloaded the , you will likely notice the focus on the H-Radio firmware . Here are the essential operating instructions: 1. Screen and User Interface Tap the button on the touchscreen to open the digital keypad

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Many ATS-25 units ship with stock firmware that can be upgraded to unlock advanced menus, custom spectrum views, and better performance. Preparing for Upgrades To upgrade the firmware, you will need: A Windows PC. A high-quality USB Type-C data cable. or ESP32 Flash Download Tools .