87Basic Camera Setup: The Setup MenuShooting, Playback and Setup Menush AF AssistEnable or disable AF-assist illumination.i Sound SettingsAdjust the following sound settings.Auto (default setting)AF-assist illumination will be used to assist the focus operation when the subject ispoorly lit. Note that for some scene modes, AF-assist illumination turns offautomatically.OffDisable this function. The camera may be unable to focus if lighting is poor.Button soundWhen [On] (default setting) is selected, beep will sound once when operations arecompleted successfully, three times when error is detected, and twice when thecamera acquires focus on the subject, and start-up sound will come when thecamera is turned on.Shutter soundChoose shutter sound from [On] (default setting) and [Off].