UR-32 Tips: The best way is to open the battery replacement mixer channel "mute" switch KTV microphone amplifier stage teaching conference in the show, so the wireless microphone is mute state KTV microphone wireless microphone, as adjusted This feature can be no sound station receiver wireless microphone output level shut, then turn off the transmitter power microphone, transmitter power after replacing the battery open mic segment U home teaching conference, then the receiver output level of recovery; or the use of closed mixer input gain or use Line / MIC selector switch the input signal to be replaced after the battery and then turn the mixer input gain or select button reset UR-82 Tips: Just 9V battery and battery negative housing communication, wireless microphone transmitter antenna can be extended through the battery case, you can increase the transmission distance, to prevent the break frequency, run frequency KTV microphone amplifier stage teaching conference | microphone | Enping Junya Electronics provided by Junya electronics factory. Enping Junya Electronics Factory (shop1394643557089.1688.com) strong, credible, Guangdong Jiangmen microphone, microphone industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Junya electronics and you hand into the brilliant, for a better future!