User ManualTable of ContentsTitle page1Revision history3Contents5About the Expansion Module for IP Phone 1100 Series7Description7Features8Adjusting the display9Expansion Module for IP Phone 1100 Series font support9Setup and assembly10Installing the Expansion Module11Expansion Module startup initialization14Using the wall-mount option14Adjusting the tilt base15Controls and settings16Shift key functionality16Services key operation16Display diagnostics17Regulatory and safety information19Other20DenAn regulatory notice for Japan21Terms you should know23Index25Size: 996 KBPages: 28Language: EnglishOpen manual