File list (Check if you may need any files):
sci_echoback\Example_281xSci_Echoback.c
............\.........................CS_\FILE.CDX
............\............................\FILE.DBF
............\............................\FILE.FPT
............\............................\SYMBOL.CDX
............\............................\SYMBOL.DBF
............\............................\SYMBOL.FPT
............\Example_281xSci_Echoback.gel
............\Example_281xSci_Echoback.paf2
............\Example_281xSci_Echoback.pjt
............\Example_281xSci_Echoback.sbl
............\SCI_96.ht
............\Example_281xSci_Echoback.CS_
sci_echoback