Casio 3518 User Manual page 7

Illumination .................................................................................................... EN-41
To illuminate the display .............................................................................EN-41
To specify the illumination duration ............................................................EN-42
Reference ...................................................................................................... EN-43
To turn the button operation tone on and off ..............................................EN-45
Specifications ................................................................................................ EN-48
Operating Precautions .................................................................................. EN-51
User Maintenance ......................................................................................... EN-61
EN-5