2
2-12
Programming Device PG 740
C79000-G7076-C742-01
Key Function
NUM
NUM Key
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.
F
n
“Fn” Special key (combination key)
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
CTRL Key (combination key)
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
ALT Key (combination key)
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
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 striking ALT
Gr
+ ß.
Print
SysRq
PRINT Key (combination key)
You can output the current screen display to a printer by pressing
the PRINT key.
Pause
Break
PAUSE Key (combination key)
The PAUSE key interrupts program execution in the majority of
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.
S NUM LOCK
S CAPS LOCK
S 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.
Location and
Labeling of the
LED
Installing the PG 740
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