Maintenance and troubleshooting 77
Masking classes of events
Instrument event codes are recorded according to the NAMUR classification (see page 75). By
default, these events are displayed in the diagnostic history, but you can choose to mask certain classes
of events. Masked events are still recorded and kept in the event history log.
To do so:
1 Select Diagnostics > Class Masking.
2 Select the class of events that you want to mask (Failures cannot be masked):
– Maintenance Required
– Check Function
– Off Specification
– Info/None
3 In the selected class masking, select Edit > Level or Distance > Maintenance Required > Enabled
and press OK.
This class of events for the selected application will now be masked. Events recorded before
activation of this feature are kept in the event history log but stop being displayed.
To deactivate an active class masking, repeat the previous procedure, but select Disabled instead of
Enabled at the end.
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