Canon EOS Digital Rebel XTi EF-S 18-55 Kit User Manual - Page 54

Using the Built-in Flash In indoors, low light, or backlit conditions, just pop-up the built-in flash and press the shutter button to take flash pictures. In the mode, the shutter speed (1/60 sec. - 1/200 sec.) will be set automatically to prevent camera shake. 1 Press the button. In Creative Zone modes, you can press the button anytime to take flash pictures. While the flash is recycling, "DbuSY" is displayed in the viewfinder, and [BUSYD] is displayed on the upper left of the LCD monitor. 2 Press the shutter button halfway. In the bottom left of the viewfinder, check that the icon is lit. 3 Take the picture. When focus is achieved and you press the shutter button completely, the flash will fire for the picture. Effective Flash Range [Approx. in meters / feet] ISO speed 100 200 400 800 1600 EF-S18-55mm f/3.5-5.6 II Wide angle: 18mm Telephoto: 55mm 1 - 3.7 / 3.3 - 12.1 1 - 2.3 / 3.3 - 7.5 1 - 5.3 / 3.3 - 17.4 1 - 3.3 / 3.3 - 10.8 1 - 7.4 / 3.3 - 24.3 1 - 4.6 / 3.3 - 15.1 1 - 10.5 / 3.3 - 34.4 1 - 6.6 / 3.3 - 21.7 1 - 14.9 / 3.3 - 48.9 1 - 9.3 / 3.3 - 30.5 EF-S17-85mm f/4-5.6 IS USM Wide angle: 17mm Telephoto: 85mm 1 - 3.3 / 3.3 - 10.8 1 - 2.3 / 3.3 - 7.5 1 - 4.6 / 3.3 - 15.1 1 - 3.3 / 3.3 - 10.8 1 - 6.5 / 3.3 - 21.3 1 - 4.6 / 3.3 - 15.1 1 - 9.2 / 3.3 - 30.2 1 - 6.6 / 3.3 - 21.7 1 - 13.0 / 3.3 - 42.7 1 - 9.3 / 3.3 - 30.5 If you shoot 20 images with flash at short intervals, the flash might stop operating. This is to protect the flash unit. If you press the shutter button halfway and "DbuSY" is displayed in the viewfinder (and [BUSYD] on the LCD monitor), wait until the display turns off. You can then use flash again. 54