Selection of Control Contact Type

The display shows following:

Polarity: NO    
                

Button function in ‘item edit’ mode

< >:

Move between items

+ -:

Switch flasing item (holding down the button will cycle through the options)

v:

Save edited values and return to page view

x:

Exit without save and return to page view

Polarity

NC:

Sensor is closed when the bell is not moving (normally close)

NO:

Sensor is closed when the bell is moving (normally open)