Siemens SIMATIC S5 TD 390 Manuel page 76

Operating the TD 390
Function
Switchover to "Defaults" operating mode
Contains the functions:
Select language.
Set parameters of TD 390
or
Cancel "Defaults", return to main menu.
However, modified parameters are transferred.
Input/end input
Display modes The display comprises two lines each with max. 20 characters. Message
display is performed in two modes:
20 character mode
The first message is displayed in the top line and the second in the
bottom line.
M e s s a g
M e s s a g
40 character mode
Only one message is shown in the entire display. On changing, both
lines are overwritten.
T h i s i
o n e m e
Displaying The display indicates a flashing arrow indicating that further messages
other messages
are stored in the TD message buffer.
M e s s a g
M e s s a g
4-2
e 1
e 2
s a l l p a r t o f
s s a e g
Message exists
e 2 b a
e 3 Message exists
Key
together
TD 390
C79000–K8576–C292–01