This document describes and specifies e computer automation system for the TcChnicon AutoAnalyzors (l. II, and CSH-6 color imeter) . Operator inputs and interaction during the analysis run arc described. DESCRIPTION OF COMPUTER AUTOMATE" SYST£H te_list. TMs_avg£ds bi^iQS_£9..SG£ e E.53 m BlS_Qy n fe£CS-Alterna tively, he can load samples in any order he chooses, but then he must manually enter the sample numbers. The_comguter_can_a_l so &S-i055C4£iS5_J9_!!5Q^2f!?IX.S£lSS5_5 ap BlS numbers_to_el

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... iminate_bjas. The operator should be able to enter multiple dilutions of the same sample into the sample-wheel pattern. The computer should select the highest on-scale peak for each analyte. More than one sample-wheel pattern for an analyte may be created and stored in the computer system. This is particularly use ful for analyses (e.g., total phosphorus) that require autoclaving or other extended pretreatment. Thus the pattern is created. ing dilution. This will be displayed on the terminal. An addition to the calculation program is an algorithm to correct for the contam ination of a dilute sample by a concen trated sample run just previously. This could be applied to peak heights differing by a factor of 2 or more. DATA STORAGE REQUIREMENTS Approximately 200,000 eight-bit bytes of disk storage will be required to store data during analysis runs in order to op erate alt 15 channels of the AutoAnalyzers simultaneously. About 200 locations will be required for raw data used by the data acquisition routines for each colorimeter. COMPUTER OUTPUTS Introduction One of the computer's most important tasks is creating useful, timely reports in n variety of formats. Some_of_these §r §-dSI£Ci^ §^_iG_^St3iI_lD_thg_sectjgn ent i_tXed_'_|SamgX^_Eii^-Q9GE!!2liS!!-M This section discusses those that are most im portant to the TAA operator. It is important to realize that a time sharing computer system should have a fast enough response for every user to feel that he has the computer to himself. All calculations and reports will be made in near real time. There will be two different output media. The operator's console will con sist of a catnode-ray tube (CRT) or typewriter-style terminal on which alpha numeric*; will be displayed. There will also be a moderate-speed printer to produce hard copy, tt will be shared by all users.