59Before UseBasic GuideAdvanced Guide1 Camera Basics2 Auto Mode3 Other Shooting Modes5 Playback Mode6 Setting Menu7 Accessories8 AppendixIndex4 P ModeOther SettingsChanging the Compression Ratio (Image Quality)Still Images MoviesChoose from two compression ratios, [ ] (Super Fine) and [ ] (Fine), asfollows. For guidelines on how many shots at each compression ratio canfit on a memory card, see “Number of Shots per Memory Card” (= 114).● Press the [ ] button, choose [ ] in themenu, and choose the desired option(=24).● In [ ] mode, mount the camera on a tripod or take othermeasures to keep it still and prevent camera shake. Additionally,you should set [IS Mode] to [Off] when using a tripod or othermeans to secure the camera (= 60).● In [ ] mode, even after the flash fires, ensure that the mainsubject does not move until the shutter sound is finished playing.OffFor shooting without the flash.● If a blinking [ ] icon is displayed when you press the shutterbutton halfway in camera-shake inducing, low-light conditions,mount the camera on a tripod or take other measures to keep it still.Shooting with the FE LockStill Images MoviesJust as with the AE lock (=50), you can lock the exposure for the flash shots.1 Lift the flash and set the flash to [ ](= 58).2 Lock the flash exposure.● Aim the camera at the subject to shoot withthe exposure locked. With the shutter buttonpressed halfway, press the [ ] button.● The flash fires, and when [ ] is displayed,the flash output level is retained.● To unlock FE, release the shutter buttonand press the [ ] button again. In thiscase, [ ] is no longer displayed.3 Compose the shot and shoot.● FE: Flash Exposure