Bose L1 Model 1S With B2 Bass Module English Owners Guide - Page 20

Svenska Nederlands Italiano CARE AND MAINTENANCE FSrvaennçsakias NeEdsepralañnodl s FDItreaulnitaçsnacoihs DEDseapunatssñckohl English Problem What to do With nothing plugged into the power stand, a slight hum or buzz is heard • Using an AC outlet tester, test the AC outlet that the power stand is plugged into for reversed or open (hot, neutral, and/or ground) contacts. • If using an extension cord, make sure that the cord is also tested as above. B1 or B2 bass module is plugged in, but no bass audio is heard • Make sure you are using the included 4-wire B1/B2 bass module cable. • Make sure the B1 or B2 bass module cable is plugged into the Bass Module Out connector and the cable plug is fully engaged in the connector. • Try a different 4-wire cable. • If available, try a different B1/B2 bass module. B1 bass module sounds out of balance with the system • Make sure you are using the B1/B2 bass module 4-wire cable included with the B1 bass module package. • Make sure that the B1 or B2 bass module grille is facing forward toward the musicians and audience. No mid/high sounds heard from the L1® top array • Make sure the L1 top array and bottom extension are firmly seated in their connectors. • Make sure connections are not bent or broken. • Try cleaning the contacts on the loudspeaker top and bottom with electronic contact spray cleaner. Instrument or audio source • Make sure the Signal/Clip LED is not constantly red. If it is, lower the trim level. sounds distorted • Try a different source or instrument. • Try your source or instrument on another power stand. Microphone is  encountering feedback • Orient the microphone so that it is not pointing directly at its respective L1 system. • Try a different microphone. • Try a different position for the loudspeaker and/or vocalist on stage. • Increase the distance from the loudspeaker to the microphone. • If using a vocal effects processor, make sure it is not contributing to the feedback  problem. 20 Venice_Care+Maint.fm 4/12