After you turn it on the solo will display battery strength, immediately after it does that press and hold the up arrow button for a few seconds. Repeating those steps will turn the beeps back on.
I just read the article and it doesn't sound like they are referring to the TV at all. It sounds like a standard Ecig. The TV doesn't use Lithium batteries either. They are LifePO4.
Rotating the stem will not stir the herb up at all. I'm not even sure what he means by that.
The Solo does do a very good job at evenly extracting so stirring is not necessary.