22Conventions Used in This Manual All descriptions in this manual assume that the Main Switch is already set to 〈ON〉. Set it to〈ON〉 before proceeding with any operation. In this manual, the 〈 〉 icon indicates the Main Dial. In this manual the 〈 〉 icon indicates the Quick Control Dial. In this manual the 〈 〉 icon indicates the SET button, used toset menu functions and custom functions. In this manual, the [C.Fn] symbol indicates a brief explanationof the respective custom function. For details, refer to “CustomFunction Settings ”(124). The camera control icons and markings in this booklet correspond to the icons andmarkings on the camera. See "Nomenclature" on page 16. Reference page numbers are shown in parentheses ( ). The procedures in this user’s guide use a Canon EF 24-85mm F3.5-4.5 USM lens forreference. The descriptions also assume that the menu functions and custom functions are set to thedefault settings. The icons ( ), ( ), and ( ) indicate that the function operates on a timer, andremains in effect after the button is released. The icons represent 4, 6, or 16 secondsrespectively. In general, the illustrations used for explaining procedures are taken with a single-lensreflex camera using 35 mm film. This user’s guide uses the following symbols as described:1664: Indicates precautions about potential problems with photographing.: Indicates additional information you may find helpful.: Indicates useful pointers for better camera operation or better photographs.
