The waterfall/spectrum analyzer helps you "see" signals before you hear them, allowing you to visually tune to active frequencies. 4. Firmware Updates

Always keep a backup of your original firmware before flashing a new PDF-documented update via the Arduino IDE or specialized flash tools. 5. Tips for Better Reception

Before diving into the software, let’s look at the hardware:

Tap the frequency display on the screen to pull up a digital keypad.

Modern electronics (LED bulbs, PC power supplies) create RFI. If the radio is noisy, try moving closer to a window or going outside.

Essential for listening to amateur (Ham) radio operators. CW: For Morse code transmissions. 3. Advanced Features

Used for both charging the internal lithium battery and updating the firmware. 2. Basic Operations

Mastering Your ATS-25: The Ultimate Guide to the All-Band Radio