"CW Radio Tone" is the modern beep sound used in radio; "Telegraph Sounder" is the original clicky noise mostly used with American (not International) Morse.

Pitch in Hz. A high number makes a high pitched sound. 550 is a good value. Vous pouvez trouver des ressources gratuites en ligne

Volume from 0 to 100.

The character speed in words per minute, taking 'PARIS ' as the standard word. Vous pouvez trouver des ressources gratuites en ligne

The Farnsworth speed adjusts the space between letters and words, making it easier to learn Morse. It should be a lower value than the speed. Vous pouvez trouver des ressources gratuites en ligne

The "Latin" alphabet is e.g. "ABC" (and includes accented characters). All the alphabets translate into dots and dashes with standard timing.