3-7SectionInput of Numeric Values and Character Strings
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Reference:  If the objective input field is shifted before confirming the input, the input nu-
meric is canceled and the screen returns to the one displayed before the nu-
meric value was input.
 When a numeric input is confirmed, the PT checks whether the input is within
the upper and lower (max./min.) limits set for that numeral setting input field. If
the numeric value is outside the specified range, the buzzer sounds three
times, the input numeric value is canceled, and the screen returns to the dis-
play before starting the input. In this case, neither writing to a numeral memory
table entry nor notification to the host is executed.
 When NT20S or NT30/620 compatible mode is being used, the current screen
number occupies the first word of the PT status notify area and the words con-
taining the updated memory table entry number and PT status notify bits are
shifted down one word (page 451).
Restrictions on Using a Temporary Input Field
• For a thumbwheel type numeral input field, it is not permissible to use a tempo-
rary input field.
• If the number of digits in a temporary input field is smaller than the number of
digits (integer part digits + fraction part digits + decimal point digit + sign digit)
necessary for the objective input field on the base screen, the input is made
within the range of the number of digits in the temporary input field.
• If an input field does not exist on the base screen, a temporary input field is not
displayed.
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