Siemens simatic hmi op27 Equipment Manual page 36

Key combinations The following table indicates key combinations which can be used to define
settings on the OP27 and OP37.
Key Combination
Display contrast is increased.
+
A–Z
Display contrast is reduced.
+
A–Z
Loading of firmware and configuration is aborted and the system switches to Down-
+
ESC
load mode.
It is possible to quit Download mode provided data is not being downloaded from the
PC or PU to the OP.
ESC
Toggle between Online and Offline modes .
A – Z
+
ESC
All the data in the OP FLASH is deleted. This includes the firmware the configuration
+
+
ESC
and where available data records. Confirm by pressing
mode.
+ +
The selection screen for the hardware test
+ +
is opened.
OP27, OP37 Equipment Manual
Release 05/99
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OP27
Key combinations after OP startup
–
General Operation
OP37
Display contrast is increased.
(STN displays only).
Display contrast is reduced.
(STN displays only).
. The OP enters Download
DEL
Toggle between OP mode and DOS mode.
–
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