How To Videos What’s next now your pool is installed? Testing the pH in your Naked Pool Testing Copper NKD-R Default Display Screen NKD1 Display Screen Overview Initial Startup with Copper already in Pool Starting up existing pool with high TDS, No Copper Adjusting the Timers Clock Timer – Single Cycle Clock Timer – Dual Cycle OXI Boost Function ION Boost Function NKD1 Winter Mode Function Adjusting Cell Cleaning Hours Backwash with Cartridge Filter Backwash with a Sand Filter NKD-R Winter Mode Water Temp High Fast Water Temp Low Fault Water Temp High Fault Water Flow Fault Alert LOW TDS – See Manual HIGH TDS – See Manual Check ION Rods Alert