Model Km 906 Model KM – PFR – 9- 06 Model KM – PFR-9-12 Features • Simple Operation. • Automatic self adjustment for C/K value. • Three different types of Operation sequence (1:1:1:1...) (1:2:2:2...) (1:2:4:4...). • The set data is preserved for at least two months in the event of Power failure.