Pentax Optio M30 - Manual (Page 44)

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Common Operations
Understanding the Button Functions
1 Power switch
Turns the camera off. (p.31)
2 Shutter release button
Focuses the camera on the subject when pressed halfway in Still
Picture Capture Mode. (Except in s, 3 and \ modes) (p.39)
Takes the still picture when pressed down fully. (p.38)
Starts and stops movie recording in
d mode. (p.97)
Starts and stops sound file recording in O mode. (p.141)
3 Zoom/w/x/f/y button
Changes the captured area. (p.73)
4 Q button
Switches to the Q mode. (p.105)
A Mode
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