HP 250C - Manual (Page 198)

9Ć2 Product History and Service Notes C4699Ć90000
Introduction
This chapter describes the differences between earlier versions of the plotters and the latest
version documented in this manual.
SerialĆNumber Format
The plotter serial number is composed of 10 letters and digits, for example ESA5600248.
D In thefirst two positions is thecodefor thecountry of manufactureof theplotter. In the
example above, this is ES, which is the code for Spain.
D In the third position is the revision letter of the plotter. The letter A identifies the
original version of the plotter. The next revision would have the letter B and so on.
D In thefourth position is thelast digit of theyear of manufacture. This is 5 for plotters
madein 1995, as in theexampleabove.
D In the fifth position is the month of the year. (October is represented by the letter A,
November by B, and December by C.) In the example above, the digit is 6, that is, June.
D The remaining five digits distinguish the plotter from others manufactured in the same
country in thesamemonth. In theexampleabove, theseare00248.