The accurate timing and recording of each swimmer's performance are essential. This chapter explains the types of timing equipment used, the responsibilities of the various positions involved in determining an Official Time, and the process used to determine each swimmer s Official Time. Digital wristwatches or dial watches are not permitted. Semi-Automatic timing is activated by an electronic pulse from a starting device or transducer. Finishes are recorded by buttons pushed by timers at the swimmer's finish touch.
Automatic timing is activated by an electronic pulse from a starting device or transducer.
Finishes are recorded by the swimmer's contact with the touchpad . When watches or buttons are used as the primary timing system, at least two watches or buttons must be used. Three watches or buttons per lane are highly preferable. A system used to verify the proper operation of the primary timing system or to provide backup times in the event that the primary timing system malfunctions. Automatic and semi-automatic electronic equipment must always be backed up.