Setting up the portable purity meter

Turning ON

Simply connect the power adapter to a power outlet. It will take a couple of minutes to be ready for a measurement (watch the screen).

Setting the primary and secondary gas types

1. Press "SETUP" button on the right-hand panel.
   
2. Press "SELECT GASES"
   
3. Press "SELECT PRIMARY" or "SELECT SECONDARY" depending on what you want to change/modify.
   
4. Enter the type of gas using this keypad, and press "ENT". A list will appear (see the next screen).
   
5. Select the gas-type from the list (in this example "N2" was selected).
   
6. The screen will display the "Home" screen.