Detcon 880S-N4X - Manual (Page 31)

880-N4X
880-N4X Instruction Manual Rev. 1.0 Page 27 of 40
‘CAL’ fault will not clear until the sensor returns to normal operation and, if set to non-latching and ascending,
Alarm 1 will not clear until the “Concentration” falls below the set “Alarm 1 Level.”
Figure 36 Channel Details Screen
5.4 Alarm History Screen
When alarms are initiated, the unit stores information about these alarms into memory. If a USB Drive is
installed in the back of the display, this information is written onto the drive for permanent storage (USB
Drive sold separately). The information can also be viewed on the “Alarm History Screen” by using the wand
to select the “Alarm History” button on the Main Screen.
Figure 37 Alarm History Screen
The Alarm History Screen displays Fault and Alarm events throughout operation of the unit (Figure 37).
Navigation buttons located at the bottom of the page allow the user to view all logged data. The view can be