Siemens SIMATIC PG 720 P, Руководство пользователя

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3-9
PG 720 P Programming Device
C79000-G7076-C721-02
Table 3-3 Functions of the Special Keys
Key Function
Alt
ALT Key (combination key)
This key is only used in combination with other keys. For example,
you can enter the hexadecimal value of an ASCII character using this
key and the numeric keypad for example, F
n
+ ALT + 123 corresponds
to “{”.
Alt
Gr
ALT
Gr
Key (combination key)
You can use this key together with the other combination keys to
generate other key codes. For example, you can generate the “\”
character on the German keyboard by typing ALT
Gr
+ ß.
Print
SysRq
PRINT (combination key)
Using the Print key, you can output the current screen display to a
printer (depending on the software used).
Pause
Break
PAUSE (combination key)
The Pause key interrupts program execution in the majority of
applications.
The LED displays for the keys NUM LOCK and SCROLL LOCK are located
below the function keys F9 to F12 and display the current status of the keys.
NUM LOCK
CAPS LOCK
SCROLL LOCK
When the programming device is powered up, the LED displays for the NUM
LOCK, CAPS LOCK, and SCROLL LOCK keys light up briefly twice. The
keyboard is then ready for operation.
LED Displays
Getting to Know the PG 720