jose156
(analog)H2, H5, H7 and (digital)H10 are earth and are all connected.
(analog)H1 is the amplifier input and is connected to the (digital)4052 pin 3 designated as "amplifier".
(digital)H1 and H2 go to north transducer.
345678 go to the others.
(analog)H3 goes to the (digital)328 pin 5 designated as "envelope".
(analog)H6 goes to the (digital)328 pin 4 designated as "ZCD".
(analog)H8 goes to the (digital)328 pin 28 designated as "temp".
H11 is a test point and goes nowhere.