| 摘要 |
PURPOSE:To improve operational efficiency and safety, by providing a button or a switc for loudening separately from a response suspending button and the hook switch of a handle set and by making it possible to select the loudening talking mode on a basis of the state of the driver. CONSTITUTION:Button 4 or a switch for loudening which operates loudening part 7 is provided separately from response suspending button 3 and hook switch of normal terminal equipment 5 in mobile equipment 1 which performs talking for general telephones or land mobile radiotelephonse through the radio transmission line by the land mobile radiotelephone system. OR between the output of general terminal 11 corresponding to normal terminal equipment 5 and the output of loudening terminal 12 corresponding to loudening button 4 is operated by OR gate 13 and is output to channel 16, and OR between the output of gate 13 and the output of response suspending button 3 is operated by OR gate 14, and response suspending mode 15 is set. By constituting mobile equipment 1 in this manner, the mode of channel 16 and suspending mode 15 can be selected by loudening button 4 on the basis of the state of the driver. |
