4  EVO1S1 | SPO1S1 Operating Instructions
  About This Document
1  About This Document
1.1  Scope
These operating instructions apply to color-mixing scale models:
 − EVO1S1
 − SPO1S1
1.2  Symbols Used
Denoting instructions and direct hazard warnings, all especially important 
statements to be observed in these installation instructions will be marked as 
follows:
This symbol denotes a possible danger with medium risk of death or (severe) injury 
if not avoided. 
This symbol denotes a possible danger with a low risk of moderate or minor injury 
if not avoided. 
This symbol denotes a danger with low risk that could result in property damage 
if it is not avoided.
This symbol 
 − is an indication of a function or setting on the device
 − indicates that caution should be exercised while working
 − identifies useful information.
This symbol provides information for the sale of scales verified for use in legal 
metrology.
In the following, the term “verified” is used to mean “verified for use in legal 
metrology” or “conformity-assessed.”
The following symbols are also used:
 − Text that follows this symbol is a list.
 t Text that follows this symbol describes activities which are to be performed in 
the specified order.
 y Text that follows this symbol describes the result of an action.
1.3  User Information
The illustrations in these instructions are based on the PMA.Evolution (EVO1S1) 
model.