wtw DIQ/S 282, Operating Manual, Page: 67 / 186

DIQ/S 28X Operation
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In the case of new error messages, the error symbol flashes on the display.
 Information
i
Information that does not require immediate action.
In the case of new information, the info symbol flashes on the display.
4.5.2 Log book
The log book is a list with all the messages from all modules. The log book
contains up to 1000 entries. If there are more than 1000 messages, the oldest
entries are deleted.
New messages can be recognized by the flashing information symbol or error
symbol. The log book always contains the latest message in the first position.
They do not yet have a checkmark in the status field.
The flashing of the info or error symbol only stops after all detailed message
texts in the log book have been opened and marked with a checkmark (

) (see
section 4.5.3).
In the case of errors, immediately open the detailed message text
in the log book and perform the recommended actions. If the
actions have been performed, mark the message as read (see
section 4.5.3).