Operation
6.2 Operator controls on key panels
SIMATIC PC Panel PC 677/877, Control Unit
Operating Instructions, Edition 04/2005, A5E00407724-01
6-5
Enter special characters, arithmetic signs and signs
Special characters, arithmetic signs and signs are also assigned to most of the alphanumeric
and numeric keys. These signs are indicated by white symbols on the top left of the keys. To
enter such a sign, proceed as follows:
1. Hold down the <FN> key.
2. Activate the desired alphanumeric or numeric key at the same time. The displayed
special character, arithmetic sign or signs will be entered.
3. To enter the signs of the pre-defined assignment again, release the <FN> key.
Cursor keys
Navigate, scroll or move the writing mark using the cursor keys. The cursor keys correspond
to the usual keys of the PC keyboard.
Figure 6-6
Cursor keys
1
<Left> key
2
<Up> key
3
<Right> key
4
<Down> key
5
<Pos 1> key
6
<Page up> key
7
<Page down> key
External keyboards
The keyboard layout has been set to "English/USA international." If you use a keyboard with
a layout other than the "English/USA international" layout, the key codes of the internal and
external keyboards might no longer correspond.
6.2.3
Labelling function keys and softkeys
Range of validity
This section applies only to control units with key panels.
Introduction
The control unit has two horizontal and two vertical keypads Assign user specific functions to
the keys as needed. Label the keys with labelling strips from the options.
