3-7
Equipment
Manual OP7, OP17
Release 04/99
3.2.1 Entering Numerical Values
You
enter numerical values character
-by-character (digit-by-digit) via the
input keys of the system keyboard. If the field already contains a value, this
entire value is deleted from the field as soon as you enter the first new char
-
acter
. Once you have begun entering a value, you can no longer quit this field
until you have confirmed or canceled your input.
The following values can be entered in numerical input fields:
Possible values
Keys Description
Decimal value
0
...
9
+/–
.
,
The input keys of the system key
-
pad belong to the numerical key
assignment.
Hex value
A
...
0
9
...
F
T
o enter characters A...F
, the input
keys must be switched over to the
alphanumerical key assignment.
Digital value
0
1
,
The input keys belong to the nume
-
rical key assignment.
In numerical fields, input initially is normally right-justified. Digits that have
already been entered are moved to the left (pocket calculator format).
Exception:
Input fields for tags in KM format – for instance, when calling the functions
Status/Force V
ar – are changed to left-justified. When input begins, the old
value does not disappear from the display completely but its bit pattern is
overwritten one character at a time. You move the cursor in this type of field
by pressing
or
with activated Shift Lock mode.
Y
ou can configure
limit values
for numerical input fields. In this type of
field, a limit-value check takes place, i.e. the entered values are applied only
if they lie within the configured limits. If a value outside these limits is en
-
tered, a system message is displayed and, after it has been canceled, the old
value is restored in the field.
If a numerical field has been configured with a certain number of
decimal
places
and too many have been entered, they are ignored; if too few have
been entered, the field is padded with zeroes.
Entering
via
system keys
Possible values
Right-justified
input
Limit-value check
Decimal places
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