Operating instructions
IPDP - installation and operating instructions 
8
Picture 2  Examples of relays connections 
Setting voice communication – 
position trimmers are presetting from 
manufacture and in majority case 
agree with, therefore changes setting 
altering only in necessary case. Basic 
position of trimmers, sense of rotation 
and meaning trimmers are illustration 
on picture 3. 
Picture 3  Setting of trimmers 










