Guildline 99754 10-Line to BCD Converter for 9975, 9936 and 9930
This is a Guildline 99754 10-Line to BCD Converter with technical manual. The Model 99754 10-line to BCD Converter is a free-standing unit which automatically converts the dial positions on Models 9975, 9936 or 9930 to 8 BCD digits. Conversion is continuous with 80 ms being the longest period after a change in dial positions that the data is uncertain. All signals of interest are brought out to the converter, including EMF polarity, positions 0 to 12 on all dials, range indicators from Model 9936 and 9930. All outputs are TTL positive logic.