Coming from a fully automatic compact I bought an SLR. The number of possible settings are such a layman three solutions 1. Resell device 2. The leave it on automatic settings 3. that I have chosen: to learn and to use this booklet in my bag always avoids me to forget certain settings. This booklet is very well made, easy to use and above all they can take it anywhere with you allowing to remember the settings during a shoot.