68ISO: ISO determines light meter sensitivity. Choose fromAuto, 100, 200, 400, or 800. Use a lower ISO number for bestpicture quality in normal light levels, a higher ISO to take photos inlow light, or Auto to let the camera automatically adjust the ISO.Metering: allows you to set how the camera measures ormeters the light source: Center-weighted, Spot, or Matrix.Auto contrast: improves the image when there is excessivevariation of light intensity.Guidelines: allows you to turn the onscreen guidelines On orOff.Image quality: allows you to set the image quality to:Superfine, Fine, or Normal.GPS tag: allows you to turn GPS On or Off (also known asGeotagging). The location of where the picture is taken isattached to the picture. (Only available in Camera mode.)Shutter sound: allows you to set the Shutter sound to Onor Off.Storage: allows you to configure the default storage locationfor images or videos as either Phone or Memory card (ifinserted).Reset: allows you to reset all camera or camcorder settingsto the default values.Image viewer: opens the Image viewer and the last picturetaken. The last picture taken is displayed as a thumbnail inthe Image viewer icon.