Ats-25 Radio Manual Pdf ❲Verified - 2025❳

Adjusting your filter bandwidth cuts out high-frequency hiss and neighboring interference. Recommended Bandwidth 4.0 kHz – 6.0 kHz High-fidelity broadcast listening. AM (Noisy) 2.0 kHz – 3.0 kHz Cuts adjacent channel interference. SSB / HAM 1.8 kHz – 2.4 kHz Standard setting for voice clarity. CW (Morse Code) 0.5 kHz – 1.0 kHz Isolates narrow telegraphy tones. Managing Automatic Gain Control (AGC)

Comes with a telescopic rod for FM and an SMA connector for a Wi-Fi antenna.

Supports 3.5mm stereo headphones and an internal 8-ohm 1W speaker. Battery: Built-in 3.7V / 2000mAh lithium battery. Charging Interface: Type-C USB (5V charging, maximum 1.5A).

The ATS-25 is built on the Si4732 chip, which allows for high sensitivity and a wide range of reception modes. FM: 64–108MHz (includes RDS functions). MW (Medium Wave): 522–1620kHz. SW (Shortwave): 1730–30000kHz. LW (Longwave): 153–513kHz. Modulation Modes: AM, LSB, USB, and WFM. ats-25 radio manual pdf

| Issue | Likely Cause | Solution | |-------|--------------|----------| | | Wrong antenna configuration or hardware issue | Enable LNA mode (if available). Test with external outdoor antenna. If still dead, return for refund — some units are defective | | Encoder tuning is reversed | Manufacturing blunder on some batches | Reverse the A and B encoder pins in firmware configuration, or return the unit | | Wi-Fi won't connect or freezes | Hard-coded AP in older firmware | Update to community firmware (Harduino 4.2+) that allows user-configurable AP | | Soft mute when tuning | Normal behavior but annoying to some | Cannot be disabled on stock firmware. Some community versions reduce the effect | | Battery meter inaccurate | Faulty component or firmware bug | Update to newer firmware with logarithmic battery scaling (V4.2+) | | Display freezes or lags | Wi-Fi stuck trying to connect | Turn off Wi-Fi in settings. Update firmware to version with fixed freeze issues |

Adjustable filters ranging from 0.5 to 4.0kHz for SSB and up to 6kHz for AM.

Built-in speaker and a 3.5mm stereo headphone jack. 2. Unboxing and Layout Overview Adjusting your filter bandwidth cuts out high-frequency hiss

– Many ATS-25 radios run community-developed firmware like "Harduino" or "H-Radio". Search for "Harduino 4.2 manual" or "H-Radio ATS-25 guide"

: Specific to the X2 model, focusing on Wi-Fi setup and weather fax reception. Available on Scribd ATS-25 PRO Guide

| Source | Model | Language | Notes | |--------|-------|----------|-------| | | SI4735/32 + ESP32 | English | 2.8-inch display, tuning, band selection, SSB | | Manuals.plus | ATS-25AMP V4.17 | Chinese | BFO, scanning, modulation selection | | Hellocq.net | ATAS-25 | Chinese/English | Forum post with Chinese translation and English original PDFs | SSB / HAM 1

The ATS-25 includes advanced DSP tools designed to isolate weak, distant shortwave broadcasts. Bandwidth (BW) Selection Filters

For users who prefer languages other than English, the manual is also available in Chinese and Japanese.