Siemens OP7 Equipment Manual page 102

Assignments of
You can assign the following functions to function keys and soft keys:
function keys and
soft keys
Password level
A password level may be assigned to a function key or a soft key. This means
assignment that you can make functions, such as "Modify parameters in online mode",
available only to authorized persons.
Special feature
If a function can be called in a given situation by means of a specific func-
with function keys tion key, the LED assigned to the function key can be turned on by the PLC.
in this manner.
OP7
OP17 Function keys K1 to K16 are all provided with a two-color LED
Convenient operator prompting can be implemented by means of the option
of activating the LEDs on function keys (refer to Chapter 13).
Special feature A bit can be configured in a tag for every soft key. This insures that a bit is
with soft keys
set in the PLC when a soft key is pressed. In this instance, the OP always
transfers the whole tag to the PLC instead of the individual bits and over-
writes the information it contains.
When the key is released or upon a change of display which modifies soft-
key assignment, the bit is reset.
11-2
branch to message level,
select screen,
initiate a print job,
display directory,
modify parameters in online mode.
Function keys K1 to K4 are all provided with a green LED.
(red/green).
Equipment Manual OP7, OP17
Release 04/99