| 摘要 |
A control system for microprocessor and software enhanced land mobile radio communications systems is provided to increase versatility, capabilities and facilities while providing an easier and more precise control of various radio protocols. As the usage of microprocessors and software is increased in radio communications equipment, additional capabilities, digital protocols and versatility can be desired in such equipment. However, this requires additional and special controls and prior art approaches have limitations with respect to capacity, versatility, size and compatibility with digital protocols. The innovative approach of the invention provides a compact new system to replace prior art multipositional knobs and switches and refines the system of control. The novel control system provides for an efficient utilization of space while achieving outstanding versatility and new operational and control capabilities. This is achieved by advantageously accommodating microprocessors and software based radios by utilizing a multifunctional keypad in combination with a display and command/mode and control switches to access and control a large number of versatile and combined capabilities, operating modes and facilities in a compact form.
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