Pentax Optio 50L User Manual page 69

Mode3 Item
EV Comp.
White Bal.
Sensitivity
Functional Description
Sets a compensation to obtain the correct exposure when the subject is
much brighter or darker than the background.
The EV compensation value can be set in the range from -2.0EV to
+2.0EV. For how to select the value and further details, refer to EN-35.
Sets the white balance when shooting under a variety of lighting
conditions and permits photographs to be taken that approach the
conditions that are seen by the human eye. (Refer to EN-36 for further
details)
[No icon] Auto
Daylight
Cloudy
Tungsten
Fluorescent
Sets the sensitivity for taking pictures. When the sensitivity is raised (and
the ISO figure is increased), photography will become possible even in
dark locations, but the more pixelated (grainier) the image will appear.
Auto / 64 / 100 / 200
EN-69