If the swing meter is to fast for you, you can buy different clubs with a slower swing meter, i also have trouble and made the mistake of buying Ping G10s which were really fast but the Ping Rapture clubs have a slow swing meter.
You can also buy balls that give you a slower swing meter, check all the specs when buying clubs it shows you the swing meter speeds ;)
As for mastering the meter, well i guess you never really master it completely, thats all part of the fun, no pro for real would hit a perfect shot everytime would they .