| 摘要 |
In a wireless communication system (10) including a transmission source (21), a wireless subscriber unit (26) contains a function key (52) for performing an operation on a function value (50). In response to receiving a change notification message (28), the transmission source (21) sends a message (38) to the wireless subscriber unit (26). The function value (50) is changed based on receipt of the message (38) sent from the transmission source (21).
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