Siemens SIMATIC HMI OP3 Equipment Manual page 47

Scrolling through
If a system message is not being displayed, you can scroll at message level
Waiting Event through the messages that have not yet departed. Event messages are sorted
Messages
according to priority groups and are displayed in their order of arrival.
Before you can scroll through waiting messages starting from the message
being currently displayed, you must first go to scroll mode using the
arrow keys:
Display of the most recent (and possibly low-priority) message. Following
the oldest message in a priority group, the most recent message of the priority
group having the next lowest priority is displayed.
The end of the message area is marked by "
this end mark.
Display of previous (and possibly high-priority) message. Following the most
recent message in a priority group, the oldest message of the group having
the next highest priority is displayed.
The beginning of the message area is marked by "
beyond this start mark.The message currently waiting is displayed again by
pressing ESCAPE or if the OP3 has not been operated for one minute.
Operator Panel OP3
Edition 11/99
Messages
or
". You cannot scroll beyond
". You cannot scroll
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