8.According to the basic control requirements, for instance, page control, carriagereturn, and new line control, the chromatography printing model and the corresponding C description for EPSON 300K are given.
9.Newline delay lasts about 0.10 seconds. If ONLRET is set, the carriage-return delays are used instead of the newline delays. If OFILL is set, two fill characters are transmitted.
10.A string of characters accepted by the system as a single block of input from a terminal, for example, all characters entered before a carriagereturn or all characters entered before the terminal user hits the attention key.