To disable visualization, switch the control to the OFF position. The full range from 1 to 20000 Hz (20 kHz) is used. There are 4 waveforms available - Sine (Default), Square, Triangle and Sawtooth. To do this, simply move the slider handle to the desired position, or specify a specific frequency in the input field. With the help of our free tone generator, you can quickly and easily create a pure sine tone.