| 摘要 |
A method of detecting wetness in an accessory jack of a portable communication device ( 100 ), such as a two-way radio, is provided. By monitoring an accessory jack detect pin of the radio ( 104 ) for a change in resistance ( 106 ) that falls within predetermined parameters, a determination can be made ( 108 ) as to whether the accessory jack contacts are wet or dry. An alert is provided to a user ( 110 ) of the portable communication device that the accessory jack contacts need to be dried.
|
