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Siemens Simatic PG 740 Manual page 20

Programming device
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Installing the PG 740
2
Location and
Labeling of the
LED
2-12
Key
NUM Key
NUM
You switch from the numeric block to cursor control with this key
(Num LED lights up). Press the key again to return to cursor
control.
Tabulator Key
This key moves the cursor by one or more positions to the right.
"Fn" Special key (combination key)
F
n
Together with a second key (key combination), you activate other
key codes for specific applications with this key (see Fig. 2-13
Function Keys).
CTRL Key (combination key)
Ctrl
This key is only used in combination with other keys. For
example, you press Ctrl + ALT + DEL to reset and restart the
operating system. For other uses of this key, please refer to the
user manual of the relevant application program.
ALT Key (combination key)
Alt
This key is only used in combination with other keys. For
instance, you can enter the hexadecimal value of an ASCII
character (and consequently additional special characters) using
this key and the numeric keypad.
ALT + 123 corresponds to "{".
ALT
Key (combination key)
Gr
Alt
You can use this key together with the other combination keys to
Gr
generate other key codes. For example, you can generate the "\"
character on the German keyboard by striking ALT
PRINT Key (combination key)
Print
You can output the current screen display to a printer by pressing
SysRq
the PRINT key.
PAUSE Key (combination key)
Pause
The PAUSE key interrupts program execution in the majority of
Break
applications.
There are three LEDs on the keyboard. They are located to the right of the
function keys in the top row of the keyboard directly above the numeric
keypad.
NUM LOCK
CAPS LOCK
SCROLL LOCK
When the programming device is powered up, the NUM LOCK, CAPS LOCK
and SCROLL LOCK LEDs light up briefly twice. The keyboard is then ready
for operation.
Function
+ ß.
Gr
Programming Device PG 740
C79000-G7076-C742-01

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