57
conTenTs
16. OPERATING LEVELS .......................................................................................................................................................................58
16.1.
Switching between the operating levels ................................................................................................................58
17.
OPERATING AND DISPLAY ELEMENTS ...............................................................................................................................59
17.1.
Description of the operating and display elements .........................................................................................59
17.1.1. Description of the symbols which are displayed on the process level ................................60
17.2.
Function of the keys ..........................................................................................................................................................61
17.2.1. Entering and changing numerical values ....................................................................................62
17.3.
Adjusting the display ........................................................................................................................................................63
17.3.1. Possible displays of the process level ........................................................................................63
17.4.
Date and time ........................................................................................................................................................................65
17.4.1. Setting date and time: ....................................................................................................................66
18.
OPERATING STATES ......................................................................................................................................................................67
18.1.
Changing the operating state .......................................................................................................................................67
19.
ACTIVATING AND DEACTIVATING AUXILIARY FUNCTIONS ....................................................................................68
19.1.1. Activating auxiliary functions ..........................................................................................................68
19.1.2. Deactivating auxiliary functions .....................................................................................................69
20.
MANUALLY OPENING AND CLOSING THE VALVE .........................................................................................................70
Operation