Bose T8S ToneMatch Mixer English Owners Guide - Page 44

Care and Maintenance Problem What to do Poor quality sound from a microphone or instrument connected to the T4S/T8S. • Make sure there is no unwanted zEQ or Para EQ equalization applied. • Verify that you have selected an appropriate ToneMatch® mixer preset for your microphone/instrument. If you do not want to use a ToneMatch mixer preset, make sure ToneMatch is set to Flat. • Make sure there are no unwanted effects (Comp/Gate, Mod, Delay, Reverb) on your input channel. Check the Status in the Prefs menu for any currently active effects. • Check that the T4S/T8S input Trim is adjusted properly for your microphone/instrument. The signal LED should be green; if the LED is red, lower the Trim level until it is green. • Try a different microphone or instrument cable. • Check the cable connecting your microphone or instrument to the T4S/ T8S mixer. Make sure the cable plug is fully inserted into the microphone/ instrument output connector and the T4S/T8S input connector. • Check the settings (if any) on your microphone or instrument. • Check the batteries (if any) in your instrument or microphone. Not hearing any effects. • Check that you pressed the correct CH Edit button. • Make sure the FX Mute button is not pressed for the channel in question. T4S/T8S not responding to control knobs. • Turn off the mixer. Wait 30 seconds and turn mixer on again. Master volume control has no • Verify that the Master output is configured for Post Master Volume effect. operation in the Prefs menu under Master Out. With nothing plugged into the T4S/T8S input connectors, a slight hum or buzz is heard from the L1® system. • Plug the T4S/T8S and the L1 power stand into the same AC (mains) outlet. • Using an AC outlet tester, test the AC outlet that the T4S/T8S and/or the L1 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. Too much (or not enough) bass, mid-range, or high frequencies. • Make sure there is no unwanted zEQ or Para EQ equalization applied. • Verify that you have selected an appropriate ToneMatch mixer preset for your microphone/instrument. If you do not want to use a ToneMatch mixer preset, make sure ToneMatch is set to Flat in the Utility category. Poor-sounding playback of a stereo recording using a CD player, MP3 player, or other such device. • Connect the left channel of the device to Aux input 5 and the right channel to Aux input 6 (or 9/10 for T8S). Aux inputs 5/6 (or 9/10) are designed for line-level inputs. • Disable any extended bass or EQ features when using CD or mobile device. • If you are using recording software on a computer, check the software requirements. You may need to configure the software settings for 48 kHz/24-bit operation. 44 - English