Got my MVP 2 today and took a Nautilus tank off on of my Vision Spinner ll put it on the MVP 2 and all I can say is WOW. Now all I have to do is learn all the functions.
Well... it's really simple, as you may have already found out...
Press and hold 'P' to put it in 'Variable Wattage' mode... which will first show you your puff count... then press 'P' repeatedly to cycle through the available wattage settings.
Press and hold 'U' to put it in 'Variable Voltage' mode... which will first show you your puff count... then press 'U' repeatedly to cycle through your voltages.
While adjusting either of these modes... if you press the mode button for the other mode... you are now in the other mode...
To reset the puff counter... turn the MVP2 off by pressing the 'fire' button 5 times, quickly. Then turn the MVP2 back on by doing the same thing.
To check your coil resistance and internal battery level... press the 'P' and 'U' simultaneously.
Tu use the USB output on the bottom, just flip the on/off switch on the bottom. Since this regulated output uses more power while ON then when OFF, you should keep it off when not in use.
The LED's under the fire button tell you things like current internal battery range and if the unit is charging or not... the manual has the specifics.
This is all, of course, in the manual... but I figure it might be easier to see it in very plain english/American.