55Before UseBasic GuideAdvanced GuideCamera BasicsAuto ModeOther ShootingModesP ModePlayback ModeSetting MenuAccessoriesAppendixIndexBefore UseBasic GuideAdvanced GuideCamera BasicsAuto ModeOther ShootingModesP ModePlayback ModeSetting MenuAccessoriesAppendixIndexStill Images MoviesShooting with the AF LockThe focus can be locked. After you lock the focus, the focal position will notchange even when you release your finger from the shutter button.1 Lock the focus.zz With the shutter button pressed halfway,press the <q> button.zz The focus is now locked, and [%] isdisplayed.zz To unlock the focus, release the shutterbutton and press the <q> button again. Inthis case, [%] is no longer displayed.2 Compose the shot and shoot.FlashStill ImagesChanging the Flash ModeYou can change the flash mode to match the shooting scene. For details onthe flash range, see “Flash Range” (=113).zz Press the <r> button, press the <q><r>buttons to choose a flash mode, and thenpress the <m> button.zz The option you configured is nowdisplayed.[ ] AutoFires automatically in low-light conditions.[h] OnFires for each shot.[Z] Slow SynchroFires to illuminate the main subject (such as people) while shooting at aslower shutter speed to illuminate backgrounds out of flash range.• In [Z] mode, mount the camera on a tripod or take other measuresto keep it still and prevent camera shake.• In [Z] mode, even after the flash fires, ensure that the main subjectdoes not move until the shutter sound is finished playing.IXUS 170 IXUS 165• Set [IS Mode] to [Off] when using a tripod or other means to securethe camera (=58).Downloaded From camera-usermanual.com Canon Manuals