PM blackout is defined as period of time when PMs should not be generated. The blackout can be holidays when facilities are closed and there are no people around.
The screenshot below shows that 3/1/14 to 3/3/14 were blacked out.
PM blackout can also be defined by week days. For instance, the following screen blacks out Fridays so that PMs with due dates on Fridays will not be generated.
Blackout can be configured at PM level:
See Calem Enterprise User Guide for more information about the PM Blackout.