About this manual
5
1.2 Conventions
1.2.1 Safety instructions
Operating manual safety instructions Pfeiffer Vacuum are based on the UL, CSA, ANSI
Z-535, SEMI S2, ISO 3864 and DIN 4844 certification standards. This document de-
scribes the following information and danger levels:
DANGER
Imminent danger
Indicates an imminent hazardous situation that will result in death or serious injury.
WARNING
Possibly imminent danger
Indicates an imminent hazardous situation that can result in death or serious injury.
CAUTION
Possibly imminent danger
Indicates an imminent hazardous situation that can result in minor or moderate injury.
NOTICE
Command or note
Command to perform an action or information about properties, the disregarding of
which may result in damage to the product.