Pentax Optio A20 specifications To Select the Manual Exposure mode

4 TakingPictures

6	Use the four-way controller (45)				36
	to select a desired shutter speed.
	The proper aperture value will be set
	automatically.
	If the camera cannot adjust it appropriately,
	an exposure warning appears in the bottom		1/250	-0.3	08/25/2006
			F2.8	+0.3	12:00
	center of the LCD monitor.				Exposure
	Adjust the exposure using the warning as a
			Compensation warning
	reference.		value
	When	appears : Increase the shutter
		speed.
	When	appears : Decrease the shutter speed.

If you compensate the exposure (p.94) already set in Shutter Priority mode, the compensation value appears below the exposure warning.

7 Press the OK button.

The camera is ready for taking pictures.

Set other functions when necessary.

“Setting the Shooting Functions” 1p.78~p.105

To Select the Manual Exposure mode

4 Use the four-way controller (23) to select (Manual Exposure mode), and press the OK button.

5 Press the four-way controller (3).

The screen for selecting the shutter speed and aperture value appears.

6 Use the four-way controller (45) to select a desired shutter speed and (2) to select a desired aperture value.

1/320	OK OK
F2.8

Aperture Shutter speed

Depending on the shutter speed and aperture value you set, an exposure warning may appear for your reference.

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