Canon PowerShot SD990 IS Black User Manual - Page 89
Setting the Shutter Speed and Aperture Value
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D Setting the Shutter Speed and Aperture Value You can set both the shutter speed and aperture value to achieve the exposure you want. D stands for "Manual". Set the camera to D. ● Set the mode dial to 6, and turn the  dial to select D. Select Ω. ● Press the m button, and select Ω in the FUNC. menu. Shutter speed Aperture value Correct exposure indicator Exposure level mark Make the setting. ● Turn the  dial to select a shutter speed (Tv), then press the qr buttons to set the aperture value (Av), and press the m button. ● The set values will synchronize, the exposure level mark will move, and you can check how far off the exposure is from the correct level. ● If the difference from the correct level is more than ±2, the exposure level mark will turn red. Pressing the shutter button halfway will cause [+2] or [-2] to display in red in the upper left corner of the screen. When attaching the camera to a tripod for taking shots with long exposure times, you are recommended to set [IS Mode] to [Off] (p. 145). • The correct exposure is determined by the selected metering mode (p. 87). • If you use the zoom, or change the composition after making the setting, the exposure level mark may move. • The brightness of the screen will change depending on the shutter speed, and aperture value settings. However, the brightness of the screen will not change if the flash is set to h. 89