Pentax Optio M50 - Manual (Page 46)

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Common Operations
Understanding the Button Functions
1 Power switch
Turns the camera on and off. (p.34)
2 Shutter release button
Focuses the camera on the subject when pressed halfway in Still
Picture Capture mode. (Except in 3, s and \ modes) (p.40)
Takes the still picture when pressed down fully. (p.40)
Starts and stops movie recording in C mode. (p.108)
Starts and stops sound file recording in O mode. (p.157)
3 I button
Switches the Face Recognition function (p.56). The Face Recognition
function is switched as follows each time the I button is pressed:
Smile Capture On ´ Face Priority Off ´ Face Priority On
4 Zoom/w/xbutton
Changes the captured area. (p.78)
5 Q button
Switches to the Q mode. (p.115)
A Mode
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