Pentax Optio S50 用户手册

2

The shutter release button works in a two-step action as follows.
Press halfway

The focus and exposure are locked when the shutter release button is 

pressed lightly (halfway). The shutter speed and aperture settings only 

appear on the LCD monitor when the shutter release button is pressed 

halfway. The following information is indicated on the LCD monitor and 

by the focus status and flash status lamps when the shutter release 

button is pressed halfway.

The focus frame lights green at the focus position if the subject is in 

focus. The frame does not appear if the subject is out of focus.
2. Status lamps

Pictures cannot be taken while the flash is charging.
Press down fully

Press the shutter release button all the way down (fully) to take a picture.

The Instant Review default setting is 0.5 second. When the display time 

is set to one second or longer, you can delete the image by pressing the 

i

 button in the instant review display, selecting [Delete] when the 

[Delete] menu appears and pressing the OK button. (

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Focus status lamp (green)

Flash status lamp (red)

Lit

Subject is in focus

Flash is charged

Blinks

Subject is out of focus

Flash is charging

Setting the Instant Review Time 

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[Poor focusing conditions]

The camera may not be able to focus under the following conditions. In 

this case, lock the focus on an object the same distance away as the 

subject (by pressing the shutter release button halfway), then aim the 

camera at your subject and press the shutter release button fully.

• Objects that lack contrast such as a blue sky or white wall
• Dark places or objects, or conditions that prevent light being reflected back
• Horizontal lines or intricate patterns
• Fast moving objects
• When there is an object in the foreground and an object in the background 

in the same picture

• Strongly reflected light or strong backlighting (bright background)

e_kb376.book  Page 27  Tuesday, August 10, 2004  1:46 PM