Good Luck with your machine you will enjoy it, I have the same model, A little advice Jody at welding tips and tricks .com has some very good videos and explanations on the 185 micro machine and others. I have been welding for over 40+ years and have picked up a lot of tips and fine tuning suggestions from his videos.
PowerTig 200DX
Supercut 50P
PowerTig Micro 185 SOLD GREAT MACHINE
Millermatic 200
Miller Thunderbolt
Jet 1340 Lathe
Jet 20" Drill Press
Jet 12" Wet Band Saw
Kalamazoo H7 Bandsaw
Forward 12,000 lb 4 Post Lift