The sweet II is the same as Maxxum/Dynax 5.
If you are ever after any Minolta AF info, check out http://www.mhohner.de/sony-minolta/bodies.php#film
Back to your camera. According to the chart, it has 7 focus points. Not being familiar with this particular camera, if its like its big brother, if it has a round pad on the back, you should be able to use this. I am not sure who may have the manual, but do a google search and you should find it (Konica Minolta used to still have the manuals online)
EDIT - Yes, here it is (check out page 68 through to 71):