GASLAB Q2 DISPLAYS (OPERATE THE DEVICE) 
Information for general use 
Rev. M / 73023639 
 
7.3.12. System display (Logbook) 
The device has 2 logbooks: the “Logbook” and the “Audit trail” in which events are saved as a 
history during operation.  
 
The logbook (Logbook error list, see the figure below) documents / saves events 
and protocol the device operation in this way. Whenever an event begins or 
ends, the change of status is recorded in the logbook. The logbook cannot be 
deleted and contains up to 1,000 data records. When the logbook is full, the next 
entry will overwrite the oldest data record.  
 
 
 
Figure 7.34: Error List – Logbook display 
 
Filter selection (as in the Error List main display) 
Section of the error display: The small arrow before the date shows when the event began 
(tip downwards) or ended (tip upwards). The list is scrollable if the logbook contains more 
than 2 entries. 
Logbook entry’s serial number: 
 Every event is displayed separately and numbered on the right-hand side.