OpenPhone 71/73/75 System Telephones Key Assignments111.1.5 Wall MountingTo mount your telephone to the wall, remove the pedestals. Using a screwdriver,pry the retention pin (1) for the handset out of its receptacle, turn it upside down(2) and insert it again.To mount your telephone to the wall, drill two holes at 120 mm distance apart.Insert 6 mm screws in the holes. Make sure their heads protrude 2.5 to 3 mm fromthe wall and mount the telephone onto the screws.1.2 Key AssignmentsSome of the keys have dual functionality (depending on whether you long orshort press the key). The “MenuCards” described below are windows that are dis-played to enable you to set features and functions. For more details, refer to thesection entitled Display and MenuCards starting on page 23.123
