Sennheiser EM 3031-U - Connections and Operating Elements

30
2 Connections and operating elements
 Headphone socket
1
/
4
“ (6.3 mm) ø
 Headphone volume control
 Multi-function display panel
 Buttons for selecting the receiving frequency
 SET/storage button for channel programming
Changing the receiving frequency: Button 
 Buttons ,  or 
 Button  for about 3 seconds
 ON / OFF switch