Ericsson 4220 Telephone User Manual


 
Installation
Dialog 4220 Lite/Dialog 4222 Office92
3 Use a screwdriver and press hard in the bottom of the
hole, until you hear a weak sound.
4 Install the stands as shown in picture “Stand
positioning”.
Note: The key panel must be of type DBY 419 01, and it
can only be used in newer versions of the exchange.
Stand positioning