USER'S GUIDE____________________________________________________________________  
16 __________________________________________________________________ M210855EN-D 
Inner Structure of the Barometer 
 
Figure 2  Open Barometer Interior 
Numbers refer to Figure 2 above: 
1  =  Adjustment button with indicator LED 
2  =  Galvanic isolation module (optional) 
3  =  Power supply mode selections  
(Do not change the factory settings!) 
4 = Service port (RS-232) 
5  =  Module 1/Module 3 connectors 
6 = User port 
7  =  Module 2/Module 4 connectors