B5A-0923-10 (M, C)VHF DIGITAL TRANSCEIVERUHF DIGITAL TRANSCEIVERUSER GUIDETK-D740TK-D840TK-868GDThis User Guide covers only the basic operations of your radio. Askyour dealer for information on any customized features they mayhave added to your radio. For using details instruction manual (UserManual), refer to the following URL.https://manual.kenwood.com/en_contents/search/keyword