4Icons in this Manual9 : Indicates the Select dial.<H> <E> : <S> Indicates the top, bottom, left, and right<I> <O> buttons of the cross keys.8 : Indicates the Select/Set button.p/2 : Indicates that the respective function remainsactive for approx. 12 sec. or 16 sec. after you letgo of the button.(p.**) : Reference page numbers for more information.: Warning to prevent shooting problems.: Supplemental information.M : M shown on the upper right of the page titleindicates that the function is performed whenthe camera’s shooting mode is set to <d>,<s>, <f>, <a>, or <F> (Creative Zonemode).Basic AssumptionsThe operation procedures assume that both the Speedlite and thecamera’s power switches are set to ON.The icons used for buttons, dials, and symbols in the text match theicons found on the Speedlite and the camera.The selection operation performed when setting a function basicallydescribes selecting a function by turning <9>. A selection can alsobe made by pressing the top, bottom, left, and right (<H><E> <I> <O> buttons) of the <S> cross keys.When you want to end function setup, press the <0> button.The operation procedures assume that the Custom Functions andPersonal Functions of the Speedlite, and the menu and CustomFunctions of the camera are at their default settings.All figures are based on the use of four AA/LR6 alkaline batteriesand Canon’s testing standards.The explanations use Speedlite 430EX III-RT illustrations.Conventions Used in this Manual