| 摘要 |
A radio communication device (100) for displaying information about a signal includes a display (120) for presenting the information. A measurer (110) measures signal quality of the signal received by the radio communication device (100), and an entry element (145) determines from the signal quality whether the radio communication device (100) is out of range. The entry element (145) then stores times of out-of-range conditions in a history table (130). A report element (150) can be activated to drive the display (120) for presentation of the times of the out-of-range conditions. The report element (150) can, for instance, be activated by the user, at periodic times, at specified times, or in response to specific events.
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