General considerations 
 
HON 380 gas pressure regulator with HON 673/674 controller    6 
 
Type of safety no-
tice 
Description  Sign 
Step-related safety 
notices 
Safety notices containing specific in-
structions relating only to the step 
DANGER 
WARNING 
CAUTION 
Additional safety 
notice 
Instruction to observe certain safety no-
tices with reference to a location in the 
document where safety notices contain-
ing specific information about dangers, 
risks and specific instructions for safety 
procedures can be found 
 
 
The safety notices containing specific instructions are identified with a signal 
word. The signal word represents a certain danger level: 
Danger level  If you fail to follow the instruction, then 
… 
And the consequence is 
… 
DANGER  an accident will happen  serious bodily injury or 
death. 
WARNING  an accident may happen  possible serious bodily 
injury or death. 
CAUTION  an accident may or will happen. 
minor or moderate bod-
ily injury. 
 
Warnings about possible material damages are identified with the word Attention 
in this document. 
 
 
Danger levels 
material damages