Specifications

MIL-STD-1472E
none exist a space should be used after every third or founh digit. Leading zeros shall not be used in
numerical data except where needed for clarity.
5.15.3.5.8 Alphanumeric EKNJD
ing. Strings of alphanumerics should be grouped into sets of
three to five charactem or grouped at natural breaks.
When a code consists of both letters and digits,
common character types should be grouped by common character type for ease of location.
5.15 .3.5.9 Distinctive and informative iabels. Rows and columns shall be labeled distinctively
to guide data entry.
5.15.3.5.10 Justification of numeric entry. Users shall be allowed to make numeric entries in
tables without concern for justification: the computer shall nght-justi~ integers, or justify with mpect
to a decimal point if present.
5.15.3.5.11 Labelirw units of measurement. The units of displayed data shall be consistently
included in the displayed column labels.
5.15.3.5.12 Consistent coltImn spacing. The widths of cohmms containing the same data
elements should be uniform and consistent within a table and from one table to another.
5.15.3.5.13 Column scanning cues. A column separation not less than three spaces shall be
maintained.
5.15.3.5.14 Row scanning cues. In dense tables with many rows, a blank line shall be inserted
after a group of rows at regular intervals. No more than five lines should be displayed without a blank
line being insetled.
5.15.3.6 Graphic displays
5.15.3.6.1 Use, Graphic data displays maybe used to present assessment of trend information,
spatially structured (Ja@time critical information or Aatively imprecise information.
5.15.3.6.2 Reeurrintzdata See 5.15.3.1.6.
5.15 .3.6.3 Refresh rates Graphic displays which require user visual integration of changing
patterns shall be updated at the maximum refresh rate of the display device consistent with the user’s
information handing
rates.
5.15 .3.6,4 Graph axes. The axes of graphs shall be labeled and should be graduated in
accordance with 5.2.3.1.4, 5.2.3.1.5, and 5.2.3.1.6.
5.15 .3.6.6 Pointing. Where graphic data entry involves frequent pointing on a display surke,
the user interface shall pmwde display
control and sequence control by pointing, in order to minimize
dk~hb[mm e &w&y&v& U_. h example,indrwigg
a f!ow chart, a user should he able 10
link elements or points dwectly by pmnting at them or drawing lines between rather than by separately
keyed entries.
5 1$ ? 67 ~lsti~t ive CUM, The ~unen[ cursor position on gmphic displays shall be indicated
hv displaying som-cfive ‘cursorsymbol at that point, e.g., a ptus-sign, representing abtmvmted
m-m-hairs whose intersection can mark n prxirion with rea,sonabk precision.