Pentax Optio A40 - Setting the Sensitivity

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4
Taking Pictures
Sensitivity (ISO sensitivity) is a value indicating how sensitive the CCD
is to light. Low value equals low sensitivity, and high value equals high
sensitivity. Sensitivity can be adjusted according to the shooting
situations.
Sensitivity
1 Press the MENU button in Capture mode.
The [A Rec.Mode] menu appears.
2 Use the four-way controller (23)
to select [Sensitivity].
Setting the Sensitivity
AUTO
AUTO800 (50 - 800) is selected by default. You can also set ISO Correction
in AUTO to 50 - 100, 50 - 200, 50 - 400, 50 - 800 or 50 - 1600.
(In Digital SR mode, AUTO1600 (50 - 1600) is selected by default. The
setting up to 50-3200 is selectable.)
50
At a lower sensitivity, images are sharper and noise is reduced, but the
shutter speed will be slower under dark conditions.
At a higher sensitivity, the shutter speed will be higher, but image
noise will increase.
(In Digital SR mode, 3200 is also selectable.)
100
200
400
800
1600
Rec. Mode
MENU
Exit
Recorded Pixels
Quality Level
White Balance
AF Setting
AE Metering
Sensitivity
AWB
12M
AUTO 800
MENU
Shutter release
button
MENU button
Four-way
controller
AUTO 800
Rec. Mode
MENU
Exit
Recorded Pixels
Quality Level
White Balance
AF Setting
AE Metering
Sensitivity
AWB
12M