The RECORDING (AUTO, PROGRAM, APERTURE PRIORITY, SHUTTER PRIORITY, MANUAL, MySET, MOVIE CLIP, SCENE) mode function can be set up by using the camera buttons.
POWER button
Used for turning the camera’s power on / off.
If there is no operation during the specified time, the camera's power will be turned off automatically to save battery life. Refer to page 90 for more information about the auto power off function.
Pressing the power button for over 3 seconds will deactivate the
SHUTTER button/ Jog dial
Used for taking an image or recording voice in the
RECORDING mode. 
In MOVIE CLIP mode :
Pressing the shutter button down fully starts the process for recording a movie clip. Press the shutter button once and the
movie clip is recorded for as long as the available recording 
time in the memory allows. If you wish to stop recording, press the shutter button again.
In STILL IMAGE mode
Pressing the shutter button down halfway activates the autofocus and checks the condition of the flash. Pressing the shutter button down fully takes the image and stores the relevant data regarding the shot. If you select voice memo recording, the recording will start after the camera has finished storing the image data.
Jog dial : Set focus distance while using the manual focusing (see page 44).
Set the aperture value and shutter speed in the A/S/M shooting mode (see page 43).
ZOOM W/T button
If the menu is not displayed, this button works as the
OPTICAL ZOOM or DIGITAL ZOOM button.
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