10 REM CODE TO CONTROL THE VALVES 20 IF MAN THEN GOTO 110 , , REM BYPASS CONTROL IF IN MANUAL 30 IF I2CC = 1 THEN OPEN CSV , OPEN CRV , OPEN M1SV , OPEN M1RV , OPEN I2SV , OPEN I2RV , CLOSE ZSV , CLOSE ZRV 40 IF I2CC = 3 THEN OPEN ZSV , OPEN ZRV , OPEN I2SV , OPEN I2RV , CLOSE M1SV , CLOSE M1RV 50 IF I2CC = 3 AND I3CC <> 2 THEN CLOSE CSV , CLOSE CRV 60 IF I2CC = 4 AND TIP = 2 THEN CLOSE ZSV , CLOSE ZRV , CLOSE CSV , CLOSE CRV , OPEN M1SV , OPEN M1RV , OPEN M2SV , OPEN M2RV , OPEN ISV , OPEN IRV , CLOSE I3SV , CLOSE I3RV 70 IF I3CC = 4 THEN OPEN ISV , OPEN IRV , CLOSE M2SV , CLOSE M2RV , OPEN I3SV , OPEN I3RV 80 IF I3CC = 4 AND I2CC <> 1 THEN CLOSE CSV , CLOSE CRV 90 IF I3CC = 2 THEN CLOSE ISV , CLOSE IRV , OPEN M2SV , OPEN M2RV , OPEN CSV , OPEN CRV , OPEN I3SV , OPEN I3RV 100 IF I3CC = 3 AND TIP = 3 THEN CLOSE CSV , CLOSE CRV , CLOSE ISV , CLOSE IRV , OPEN M1SV , OPEN M1RV , OPEN M2SV , OPEN M2RV , CLOSE I2SV , CLOSE I2RV , OPEN I2SV , OPEN I3RV 110 REM END