Siemens Simatic PC Panel PC 870 Service Manual download pdf (Page 21)

Description of Device

2-3

SIMATIC Panel PC 670 / 870 Operating Unit, Equipment Manual

Edition 07/02

2.1.2 Keyboard

The keyboard is subdivided into different functional groups of keys:

S function keys, soft keys

S control keys

S alpha keys

S numeric keys

S cursor keys

The function keys arranged on the left and right of the display and in

two rows at the bottom of the display possess LEDs and can

be assigned freely.

...

Fig. 2-2 Function keys

The control keys are used for higher–level editing and control functions

in the different applications:

Tabulator

Open help

Delete

Insert

Backspace

Cancel

Acknowledge

Confirm

entry

Switch to enable entering

of special characters using

the alpha and numeric keys

ALT key

CTRL key

SHIFT

Switch between

lower-case and

upper-case letters

Fig. 2-3 Control keys

Function keys,

soft keys

Control keys

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 63 64

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Siemens Simatic PC Panel PC 870 Service Manual Page 21