COMMENT ⊗ VALID 00002 PAGES C REC PAGE DESCRIPTION C00001 00001 C00002 00002 INSTRUMENT QUAD C00003 ENDMK C⊗; INSTRUMENT QUAD; OSCIL[10](P4,10*MAG/P2,F1); COSCIL(U1,P3*MAG,F4); OUTA←OUTA+U2*P11;OUTB←OUTB+U2*P12; OUTC←OUTC+U2*P13;OUTD←OUTD+U2*P14; END; NCHNS←4;