Siemens Simatic PG 740 PIII, Руководство по эксплуатации

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Hardware Components of the PG 740 PIII
3-6
Operating Instructions PG 740 PIII
A5E00063150-03
3.4 Color Display of the PG 740 PIII
The PG 740 PIII has a TFT (thin-film transistor) color display with a 13.3 in.
diagonal (
[
34 cm) and a maximum resolution of 1024 x 768 pixels (XGA).
!
Caution
Risk of injury!
If a display is damaged, liquid crystal may escape. Do not touch this liquid or allow
it to come into contact with your skin in any way, and do not breathe in the vapors.
If you do come into contact with the liquid, wash those parts of the skin affected
immediately with alcohol, and rinse with plenty of water. Then consult a physician
right away.
Use only a soft cotton cloth slightly moistened with a mild cleansing agent for
glass or an impregnated wipe for spectacles to clean the display. Do not use water
or aggressive solvents (such as alcohol and acetone) and do not spray moisture
onto the display.
3.5 Keyboard
Keyboard Layout
The keyboard is divided into the following three areas:
S
Alphanumeric or typewriter keyboard
S
Numeric keypad with cursor control keys
S
Function keys
All keys on the keyboard are of the autorepeat type. That is, the relevant character
is repeated as long as you keep the key pressed.
Keyboard Labeling
The keyboard has international labeling.
International
Shift
Unshift
National
Example: German
Font size and
thickness reduced
?
ß
\
Together with the
ALT
GR
key
Figure 3-2 The Keyboard Labeling System