Preview data by locating or selecting a file of data to display on preview interface;
data located/selected will be displayed in sequence on preview interface, and can
be viewed scaled up and down by times of 1 and 2.
printing. When printing starts, a
printing report appears (see Figure 3).
Printing report: It is the timely record
of printing in process, including data
file name in process, print output
quantity, counter value, shift code,
system time. The printing report
exits when printing stops.