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X B ` BD1?"  B b BD1?"   B c BD1?"i l W B f BD1?"  B s BD1?"   B B BD1?" l B  BD1?"x 9 x x   NX1?" p o   9 Pictorial  B  BD1?"  B  BD1?" :  B B BD1?" :  : B B BD1?" : e B  BD1?" 5   R8A21?Dashed downward diagonal < B  BD1?" @J B  BD1?"@ @@ B  BD1?" : B  BD1?" 5 B  BD1?" :0 B  BD1?"e % Z p0 T3 L > " U BG 1?"s0" V BG 1?"ptB W 61?"z X <1?"tB Y 61?"z Z <1?"*z [ <1?"IWz \ <1?"rz ] <1?"*Z p0 /3   "  HG 1?"s0"  HG 1?"pzB   <1?" ! B1?"zB " <1?" # B1?"* $ B1?"IW % B1?"r & B1?"l  <q1? p@ rB B BD1? l rB B BD1? c rB B BD1? [ / rB B BD1?g Z |   B 1? (" ; Output 0v     < 1?"` 8  X12 V batteries. 2     <1?hn [)The Scorpion board requires 0 V and 24 V. The power switch is shown below. For the power amplifier board, the same switch can be used, but the ground should be set at the point in between the batteries so that power is supplied at +12 V and -12 V. The circuit diagram is shown on the next page.* 2* H  0޽h ?  '(e ) - . 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