HP Jornada 540 Pocket PC User Manual download pdf (Page 58)

54 hp pocket camera

RGB (red/green/blue) value. Color value of a pixel. You can

identify the RGB value of a pixel in the advanced information

display in Capture mode. You can also display a histogram of

values for all RGB channels in a picture.

Shutter speed. The length of exposure time for the picture.

Darker conditions require slower shutter speeds, while moving

subjects require faster shutter speeds. The shutter speed on

your HP pocket camera ranges from 1/2 second (slowest) to

1/8000 second (fastest).

Spot metering. A way to override center-weighted metering,

the camera’s default method of measuring the brightness of a

picture. Use spot metering to identify the part of a picture that

you want the light meter to use to calculate exposure—for

example, if the subject of a picture is much brighter or much

darker than its surroundings, or if the subject is not centered in

the frame.

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HP Jornada 540 Pocket PC User Manual Page 58