176Menu Guide—The Shooting MenuISO SensitivityISO sensitivity can be increased from the defaultvalue (100). Settings over ISO 800 are only avail-able when Custom Setting b1 (ISO auto) is off.See “Taking Photographs: ISO Sensitivity” (52).Image SharpeningSeven options are available for image sharpening.See “Taking Photographs: Image Adjustment” (68).Tone CompensationFive options are available for controlling imagecontrast. See “Taking Photographs: Image Ad-justment” ( 69).High ISO NRPhotographs taken at high ISO sensitivities canbe processed to reduce “noise.” Highlight HighISO NR in the shooting menu ( 168) and pressthe multi selector to the right. Press the multiselector up or down to highlight an option, thenpress to the right to make a selection.Option DescriptionOn (normal)(default)Noise reduction takes effect at ISO sensitivities of ISO 400–800 or if ISOsensitivity is raised to 400 or higher when On is selected for CustomSetting b1 (ISO auto), increasing processing time and reducing capac-ity of memory buffer. Increased noise reduction is performed at ISOsensitivities over ISO 800 or when On (high) is selected.Off Noise reduction turns off except at ISO sensitivities over ISO 800.On (high)
