7
Notes for the Reader
Symbols and Highlighting
Symbols and Highlighting
In these Operating Instructions, important information is highlighted by symbols or
special formatting. The following examples illustrate the most important types of high-
lighting.
DANGER
Warning: Fatal Injuries.
Failure to observe the warning can result in serious damage to health, or even death.
The arrow identifies a precautionary measure you have to take to avoid the hazard.
WARNING
Warning: Serious Injuries.
Failure to observe the warning can result in serious damage to health.
The arrow identifies a precautionary measure you have to take to avoid the hazard.
CAUTION
Warning: Injuries.
Failure to observe the warning can result in minor or moderate damage to health.
The arrow identifies a precautionary measure you have to take to avoid the hazard.
IMPORTANT NOTE
Warning: Damage to Property.
Failure to observe the warning can result in serious damage to the control top or in the
vicinity of the valve.
The arrow identifies a precautionary measure you have to take to avoid the hazard.
EXPLOSION HAZARD
Warning: Explosions.
Failure to observe the warning can result in a severe explosion.
The arrow identifies a precautionary measure you have to take to avoid the hazard.
Carry out the following steps: = Start of a set of instructions.
1.
First step in a sequence of operations.
2.
Second step in a sequence of operations.
Result of the previous operation.
The operation is complete, the goal has been achieved.