Alesis USB2.0 manual No power

Page 47

Troubleshooting: Hardware 6

External effects aren’t working.

Effects processor is not plugged in or turned on.

Aux outputs of mixer aren’t connected to inputs of processor or processor’s outputs aren’t connected to mixer’s inputs (or aux return).

Mixer’s effects return signal is too low.

Make sure unit is plugged in and turned on.

Make sure the mixer’s aux outputs are connected to the processor’s inputs and that the processor’s outputs are connected to the mixer’s aux inputs.

Turn up the output of the effects processor or turn up the mixer’s AUX RET A RETURN or EFFECTS / AUX RET B RETURN in the master section.

LED meters not working.

Computer does not see the MultiMix USB2.0.

Nothing is routed to the HDPH/CTRL RM output.

USB2.0 connection must be established.

Press the desired MIX or 2 TK button.

Unplug the USB2.0 cable and turn off the MultiMix. Turn the MultiMix back on and plug the cable back in. If this does not work, leave the MultiMix on, turn off the computer (do not use “restart” but instead actually turn off the computer) and then turn it on again.

Computer sees the MultiMix USB2.0, but no sound is received and/or transmitted.

No power.

MultiMix USB2.0 is not set

 

In the computer’s Control Panel,

as primary sound device.

 

go to the Sounds/Multimedia

 

 

area. In the Audio section, set

 

 

the default sound recording and

 

 

playback devices to MultiMix

 

 

USB2.0.

 

 

 

Incorrect or defective power

 

Replace with correct power

supply.

 

supply (only use Alesis-

 

 

recommended AC output power

 

 

supply).

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Contents Reference Manual Page Table Of Contents Table Of Contents Chapter Nine Block Diagrams Glossary Contact Chapter Eight SpecificationsThis page intentionally left blank Welcome IntroductionAll-In-One Mixer and Multichannel Computer Audio Interface MultiMix USB2.0 Key FeaturesAbout the MultiMix USB2.0 Introduction How to Use This Manual Few Words for Beginners This page intentionally left blank Hooking up the MultiMix USB2.0 Getting StartedGetting Started Using Proper CablesSetting Levels Line Inputs Channels 1 Tour of the MultiMix USB2.0Patchbay Mic Inputs Channels 1Phone Jack Tour of the MultiMix USB2.0Line Inputs Channels 5 Aux Channel StripsLevel Control PAN or BALMain Mix 2TK to Ctrl Room SwitchMIX to Ctrl Room Switch Master SectionLED Meters Power Indicator+48V Indicator Rear of the Mixer Effect Descriptions Digital Effects ProcessorEffects Section Components Chorus Digital Effects ProcessorTraditional Mixing Simple Live SetupUsing Additional External Audio Sources Traditional Mixing Simple Two-Channel Recording Setup without using a computerUSB2.0 Recording First-time connection and driver installation instructionsUSB2.0 Recording Installing the optional applicationsPower-on/Power off order Channels returned from the computer to the MultiMix USB2.0 inputs and outputsChannels sent from the MultiMix to the computer Sound setup under Windows USB2.0 Recording Disabling Windows System Sounds Connections and settings for USB2.0 recording and monitoring Choosing the MultiMix as your audio device Choose the menu option Devices Device Setup…USB2.0 Recording USB2.0 Recording Creating a new audio file USB2.0 Recording USB2.0 Recording USB2.0 Recording Working with the Alesis USB2.0 control panel Accessing the control panelChoose the menu Options Audio… USB2.0 Recording USB2.0 Recording Assigning inputs to audio tracks Using the MultiMix USB2.0 with CoreAudio on the Macintosh Cause Troubleshooting HardwareEffects / AUX RET B Troubleshooting HardwareNo power This page intentionally left blank Audio playback or recording stutters or drops out Troubleshooting SoftwareBasic troubleshooting Audio playback or recording is at the wrong speedTroubleshooting Software Input Channels SpecificationsComputer Requirements SpecificationsBlock Diagrams Block Diagrams Term GlossaryGlossary Glossary Trademarks Alesis Contact Information