Owner's guide
Page 8
English Troubleshooting Problem No noise reduction Low or no foreign objects are inside the earcups. • Turn the surce volume down. • Set LEVEL switch to LO. 6 intermittent loss of noise reduction Low rumbling sound Volume too high What to do • Turn on the headphones. • Replace the battery. • Turn the source volume up. • Set LEVEL switch to HI. • Check the headphones cord connection at the source and the earcup. • Replace the battery. • Adjust the fit of the headphones on your ears. • Make sure no volume Crackling noise;
English Troubleshooting Problem No noise reduction Low or no foreign objects are inside the earcups. • Turn the surce volume down. • Set LEVEL switch to LO. 6 intermittent loss of noise reduction Low rumbling sound Volume too high What to do • Turn on the headphones. • Replace the battery. • Turn the source volume up. • Set LEVEL switch to HI. • Check the headphones cord connection at the source and the earcup. • Replace the battery. • Adjust the fit of the headphones on your ears. • Make sure no volume Crackling noise;