Siemens OP15, Руководство по эксплуатации оборудования, Страница: 34 / 177

4-2
Manual OP5, OP15
( ) J31069-D0840-U001-A2-7618
Numeric keys.
Input keys for numerical characters (0 – 9);
In Shift Lock mode of keys 1 – 6:
input keys for alphanumeric characters (A – F)
Sign key.
Changes sign from ”plus” to ”minus” and from ”minus” to ”plus”.
Directory key
Displays screen directory.
In Shift Lock mode: sets display contrast.
Acknowledge key.
Acnowledges alarm messages.
The LED of the key is on when at least one unacknowledged alarm message
is present. On the OP15, the LED is located directly on the key and on the
OP5 it is beneath the function strip adjacent to the ACK symbol.
INSERT key.
In Shift Lock mode: DELETE key.
Pressing the insert key inserts a blank, when alphanumeric values are being
entered, at the current cursor position. All subsequent characters are moved
one position to the right.
The delete key deletes the character, when alphanumeric values are being
entered, at the current cursor position. All the characters thereafter are moved
one position to the left.
The key is enabled only when the LED is on. With the OP15, the LED is lo-
cated on the key; with the OP5, it is located beneath the function key strip,
next to the DEL/INS symbol.
ENTER key.
With this key you enter and terminate your input.
This means that, among other things, you also change from message level to
screen level.
ESCAPE key.
(Escape, branch backward, change operating levels; refer to section 4.1.1).
General Operation
ENTER