System Function Directory

Table 1-3.—Typical Fault Indicator Directory The reference provided for each indicator includes System Function Directory a system functional diagram (SFD) and an applicable fault analysis matrix (FAM) reference. The SFD refer- ence pertains to the SFD figure used to troubleshoot the fault on the system level, which the individual indicator indicates. The applicable FAM reference is used for troubleshooting and for verifying the opera- tional status of the system on an equipment level. 1-12 The system function directory is used with the FID. It contains an alphabetical listing of all system fictions contained in the SFDs. This directory can be used to start the troubleshooting process when there is no particular indicator associated with a fault. A sam- ple fire-control system function directory is shown in table 1-4.