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Keyboard text function keys are redefined under program control as program function keys in order to free character keys normally used for program functions.
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Program Keyboard Definition
Keyboard text function keys are redefined under program control as program
function keys in order to free character keys normally used for program functions.
Changing keyboards through operator keying to handle different languages
and country programs, type elements, etc., is old and well known. Also, the use
of keyboard change operator aids, such as keyboard templates, is well known.
In the same light, design requirements have specified the organizational grouping
of keys to meet certain ergonomic criteria. The problems encountered with the
above, however, are limited flexibility hardware, errors in operator decisions, etc.,
which tend to diminish the attractiveness of easy to use modern word processing
In menu-driven word processing systems, operator errors and decision and
training time are reduced and system flexibility is improved by placing the
keyboard under the control of a loaded program. As such, the number and
flexibility of available keyboards is substantially increased, and the only required
operator decision is template and program matching.