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PROGRAM OUTPUT 1. GENERAL Computer program HEC-2 provides the user with a wide variety of output control options. Program output is generally by line printer, although some output can be directed to card punch or magnetic tape devices. Commonly used output options are shown in Appendix I, Sample Application of HEC-2. Table 4 (at the end of this section) summarizes ouput control options. 2. PROGRAM IDENTIFICATION BLOCK Each execution of the program will print a program identification block in the upper left corner of the first page of output. Information contained in the block includes program release date, date of latest updating, and a list of error corrections and program modifications. 3. JOB CONTROL DATA The first three lines of output following the program identification block are title cards (Tl - T3) for the first profile. Following the title information, input data on the Jl card and optional job cards J2 throught J6 (if used) are printed. Subsequent sets of Tl through J2 data are printed prior to execution of the respective profiles. 4. INPUT DATA A listing of the input data (cards NC through EJ) is printed following the job control data for the first profile. This listing may be suppressed by coding a minus ten for variable ICHECK(Jl.l) on the Jl card for the first profile. 5. COMMENTARY Comments to document data sources, study assumptions, or to label specific cross sections may be input with the data set. These comments will appear immediately ahead of the cross section they refer to in the input data listing and the cross section data. 6. OUTPUT LABELS In order to assist users with interactive terminals, unique labels are generated by the program at the beginning of each profile (e.g., *PROF 2) and at each cross section (e.g., *SECNO 21.100). With commonly available system text editors, these labels allow easy location of cal- culated data within the cross section data printout. The J5 card can be utilized to suppress all or portions of the cross section data print- out to further facilitate the use of the program on interactive terminals. 31