I am very lucky to have several friends who ask me interesting questions – technical details and “how-to’s” that (luckily) I have some knowledge of. Some of this knowledge is hard-won on the streets of life – and some are just as easily gathered from little scraps of paper included with the gadgets, or on websites – if we know where to look.
The RTFM series (Read The Fotography Manual) will generally cover exactly this – things that are in the manuals, data-sheets, and websites that should prove helpful.
Sage Advice (that I don’t always live by?): Keep your camera manual in your camera bag (put it in a ziploc bag or something) – or download the PDF to your phone. You never know when you will wonder: “How DO I set the self timer mode?”