Additional FeaturesThe controller also has the capability of operating in metric units and of restoring factory defaults. To access thesefeatures, follow these steps.Step 1Accessing Additional FeaturesA. Press and hold the P and R buttons at the same time for about 6 seconds. The display should showonly the controller type 18 (model Pro180) or 38 (model ProPlus380) in solid numbers, change toblinking numbers, and then go back to solid numbers.B. Once the numbers are solid again, release the buttons and enter the code P, P, R, P. This code willenter you into the Unit Selection screen.Note: Entering any combination other than the above code will put you into Advanced Settings.Step 2Set UnitsA. The indicator bar below the digits will blink and the display reads - -, designating the default ofEnglish units (gallons).B. Press the R button to cycle between - - (off) and (on). Choosing will set the units to metric(liters). When metric units are active, the indicator bar below the digits is displayed during NormalOperation.C. When the desired setting is displayed, press the P button.Step 3Restore Factory DefaultsA. All of the side indicators will blink and the display reads - -.B. To restore factory defaults, press the R button to cycle the display to . If you want to retain yourcurrent settings, leave the display showing - -.Note: Restoring the factory defaults will erase any programming you have done, including changingthe controller units and setting the clock.C. When the desired setting is displayed, press the P button and return to Normal Operation.WaterBoss Softener Two-Button Owner’s Manual 5/12/2011 17