This is the manual that worked for me.
Basic Functions:
To Lock the device: Press the fire button 5 times and the Lock message will appear on the screen.
To Lock the wattage: Hold the + and - wattage buttons for 5 seconds until the Power Locked message appears on the screen.
To Lock the ohms of the atomizer: Lock the device then hold the fire button and + wattage button for 5 seconds until the message appears on the screen.
Stealth Mode (turn the screen off): Lock the device then hold the fire button and - wattage button for 5 seconds until the message appears on the screen.
Change temperature: Lock the device then hold the + and - wattage buttons for 5 seconds until the message appears on the screen.
Switch between Fahrenheit and Celsius: While adjusting the temperature, scroll down from 200 Fahrenheit or 100 Celsius.
Turn temperature control off: While adjusting the temperature, scroll up until the screen displays OFF.
Change Profiles: While the wattage is locked, press the + or - wattage button twice and scroll through profiles with the + and - wattage buttons. Once the desired profile is selected, press the fire button to confirm selection.