196 Menu Guide > C The Photo Shooting MenuAdjust ISO sensitivity settings for photographs.ISO Sensitivity SettingsG button ➜ C (photo shooting menu)Option DescriptionISO sensitivityChoose from settings of ISO 100 to 51200, Hi 1, and Hi 2.h and all q modes except 4 also offer an Autooption.Auto ISOsensitivitycontrolIf On is selected, the camera will automatically adjust ISOsensitivity when optimal exposure cannot be achieved atthe value selected for ISO sensitivity. The options listedbelow are available for fine-tuning auto ISO sensitivitycontrol.• Maximum sensitivity: Choose an upper limit for ISOsensitivity to prevent it being raised too high.• Maximum sensitivity with c: Choose the upper ISOsensitivity limit for photos taken using an optional flashunit.• Minimum shutter speed: Choose the shutter speed belowwhich auto ISO sensitivity control will kick in to preventunderexposure in modes P and A. Options range from1/4000 s to 30 s. An Auto option is also available (0 197).