A bowman can let off six aimed shots in a minute, an arquebusier only one in two or three minutes, when he has gone through all his manual exercise carefully.

The SAR number is not displayed when you compare cellphones at your local wireless store, and trying to find it in the fine print of your user manual is an exercise in frustration.

This is a logical exercise as you need to start at the beginning of the manual and try the different Settings and work out how they affect the final image.