Pentax OPTIO S30 Operating Manual page 29

Using the Shutter Release Button
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.
1. Focus frame
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
Lit
Blinks
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.
[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)
Instant Review
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
button in the instant review display, selecting [Delete] when the
i
[Delete] menu appears and pressing the OK button. (
Focus status lamp (green)
Subject is in focus
Subject is out of focus
Setting the Instant Review Time
Flash status lamp (red)
Flash is charged
Flash is charging
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