If the Global Options dialog box is not displayed, choose Global from the Options menu.
Click the Bell Type button in the Bell Control section and choose the type of bell you want:
Audible (the default) causes the bell to make a sound.
Visible causes the bell to blink the background color.
Click OK at the bottom of the Global Options dialog box or press Return to save your selection and exit the window.
To save your selection and retain the window, click Apply.