well what part of the process are you stuck on? the begining
I learned from Frank's DVD's also, so if I get anything wrong perhaps he will chime in.
First thing you need to do is get an 18% grey card such as the QP101
http://www.qpcard.se/BizPart.aspx?tabId=84&tci=137
Which ever version you get make sure it is 18% grey and not a white balancing card which often is not 18%.
next you need to put a big modifier on your lights so the light is very even and place your grey card flat relative to the light, don't angle it towards your camera, for instance pin it to a wall and point the light straight at it.
now adjust the light output until the meter to read f/11 at the grey card, make sure the meter reads f/11.0 not f/11.2. (you can use any measurement eg. f/8, f/16 etc, f/11 is for demonstration)
now that the light is measured f/11 at the grey card set your camera to f/11 with the iso and shutter you use in studio (for me that is, RAW, iso 100, 1/125s) and the lens you use the most, I believe there will be slight variation between different lenses, wether it is enough to need to calibrate for every lens on every shoot I highly doubt it. now stand next to your light and take the picture of the grey card.
upload that picture into your computer and preferably use the software native to your camera (example if you shoot nikon use capture nx, etc.) if you don't have that software on your computer you can use what ever RAW editor is available and make sure all auto settings are off, all of them. no curves or anything like that.
now select just the part of the picture that contains the 18% grey patch and look at the histogram, if the spike is dead center then your light meter is calibrated to the camera you used, if it is to the left or right of center then you need to adjust the calibration of the meter.
if i recall correctly on the 358 hold both iso buttons down at once and rotate the dial, also if it is over exposed to the right of center i believe you add positive compensation to bring it down to center, under exposed = negative comepnsation. after adjusting compensation take another picture with all the same settings and from the same place and recheck if the 18% grey spike is in the center of the histogram, if not continue adjusting until it is.
My camera was 6/10 of a stop off.
If you have any questions or I lost you somewhere or somebody notices I said something wrong please chime in.