Kenwood TM-481A Instruction Manual

Also see for TM-281A: Instruction manual Service manual Instruction manual Service manual

Contents

123REAR PANEL: @ .q Antenna connectorConnect an external antenna {page 5} here. Whenmaking test transmissions, connect a dummy load inplace of the antenna. The antenna system or loadshould have an impedance of 50 Ω.w Power Input 13.8 V DC cableConnect a 13.8 V DC power source here. Use thesupplied DC power cable {pages 3, 4}.e SP (speaker) jackIf desired, connect an optional external speaker forclearer audio. This jack accepts a 3.5 mm (1/8")mono (2-conductor) plug. See page 6.MICROPHONE:: ;=B>2@.q PTT (Push-to-Talk) switchPress and hold to transmit. Release to receive.w DWN/ keyPress to lower the operating frequency, MemoryChannel number, Menu Number, etc. Hold downto repeat the action. Also press to switch betweenvalues for functions with multiple choices. Press andhold Mic [PTT], then press [DWN/ ] to transmit .e UP/ keyPress to raise the operating frequency, MemoryChannel number, Menu Number, etc. Hold downto repeat the action. Also press to switch betweenvalues for functions with multiple choices. Press andhold Mic [PTT], then press [UP/ ] to transmit .DTMF Microphone Microphone (KMC-30)