Jameco # 	Item 	Shipped Date 	Qty 	Shipped Qty 	Back Order 	Unit Price  	Total
26649 	SWITCH,PB,MINI,SPST,ON-(OFF) 	05/12/05 	2 	2 	0 	0.55 	1.10
265050 	KNOB,1/4" SHAFT,14.6MM,JK-90 	05/12/05 	2 	2 	0 	0.92 	1.84
286310 	POT,250K,RV16A-10-15R1-B250K 	05/12/05 	2 	2 	0 	1.15 	2.30

R1 and R4 control paddle sensitivity.  Simply remove R1 and R4 and replace with the pots, being careful to use the pots' center lead and the side lead that will provide decreased resistance as the pot is turned clockwise.