User Guide
Table Of Contents
4.7.  System codesettings 
⑥Press this icon to enter system code settings interface. 
⑦Configure the new system code(When you try to enter the 
advance settings interface, it will prompt you for the system 
code) of IT82A(869). 
⑧Click the icon to save the modified. 
4.8.  Settingscode 
①Press this icon to enter settings code interface. 
Note: For unlock, the DTMF code should be the same with 
the corresponding door phone’s, please consult your 
administrator for more information. 
⑤Click the icon to save the modified. 










