Page 1: ...R MANUAL Model No BTS 84 Thank you for purchasing this quality Osotto product We trust that you will enjoy using it and that it will give years of trouble free service Please read this User Manual and then keep safe for future reference Page 1 ...
Page 2: ... of BTS 84 enter into TWS connection they will connect automatically When connected there s BEEP voice indicator MUTE Mute button PREV Previous song or FM program button PLAY PAUSE Play pause and light mode button When in FM mode press to scan FM channels Hold for 3 seconds to change the flashing led light mode NEXT Next song or next FM program button VOL Volume increase VOL Volume decrease MODE S...
Page 3: ... environments such as a hall or marquee 11 Previous song or FM program 12 Play and Pause when in FM mode press to scan FM programs 13 Next song or next FM program 14 Input source selection key Press to select input sources like USB SD AUX FM BT When in AUX USB SD mode long press to record When in Bluetooth mode long press for TWS on and off If the USB SD doesn t work first time please turn off the...
Page 4: ... switch between Microphone Priority and Karaoke mode press and hold the Mode key on the remote until the display shows F OF Factory default is mic priority mode music volume reduces when mic is used Caution 1 Please turn the volume knob to minimum before operation to prevent damage to the speakers 2 Avoid exposure to damp or humid environments 3 Do not open the back cover of the main speaker in ca...
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