- M-Audio Fast Track Ultra 8R Rack-mountable 8 x 8 USB 2.0 Interface with MX Core DSP Technology User Guide

User Guide 21Fast Track Ultra 8R
12 Troubleshooting
Fast Track Ultra 8R has been designed to give you high performance and professional-quality audio. It has been tested under
a wide range of systems and operating conditions. However, there are a virtually limitless number of operating scenarios, any
of which could affect your system’s performance. Though this section cannot cover all possible issues you may encounter,
we would like to offer you some suggestions for dealing with common problems.
We recommend that you avoid connecting too many devices via USB. The USB bus is a dependable protocol that is ideally
suitedfordigitalaudio.Nevertheless,itisimportanttorememberthataudioandmultimediastreamingplaceconsiderable
demands on your processor and the USB bus.
If you are having trouble getting audio in or out of your Fast Track Ultra 8R, please check the following:
< If you have no sound:
Check to see if Fast Track Ultra 8R drivers are properly installed.
• InWindowsXP,gototheControlPanelanddouble-clicktheSystemicon(underPerformanceand
MaintenanceifyouareinCategoryview).
   • SelecttheHardwaretabandclicktheDeviceManagerbutton.
   • Clicktheplussign(“+”)nexttoSound,VideoandGameControllers,andlocatetheFastTrackUltra8R
listing. If you see a question mark or exclamation point next to it, or if you don’t see it listed, you may need
to reinstall the driver software.
< Make sure your audio software has been set up to use Fast Track Ultra 8R.
• Openyourapplication’saudiosettingspageandchecktoseeifthecorrectASIO,WDM,orCoreAudio
drivers have been selected.
< If you’re certain Fast Track Ultra 8R is correctly installed and configured for your audio software, check your signal
path. Make sure your inputs are routed correctly by verifying that your application is receiving audio signal. Make
sure your outputs are routed correctly so that your signal is sent to your headphones, amp and/or monitors.
• Checkyouraudioconnectionsandcablestomakesureeverythingispluggedincorrectly.
   • ChecktheLEDLevelMeters
4
to see if input signal is present.
   • ChecktheControlPaneltoverifythattheoutputvolumelevelsareturnedup,andthatsignalispresentat
the input meters.
   • ChecktoseethatthepoweradapterisconnectedtoanoutletandtoFastTrackUltra8R,thepower
button is enabled, and that the USB cable is connected to the unit and the host computer.
   • Checktheinputselector switch to verify that you’ve chosen the proper input.
< If you’re trying to record a digital input to Fast Track Ultra 8R and have no sound, or are experiencing clicks and
pops in your recordings:
• MakesuretheinputsourceontheSettingstaboftheControlPanelissetto“External.”Seethesection
titled“AboutExternalClock”formoreinformationaboutdigitalsynchronization.
   • Makesureyourinputlevelsarenottoohot,asthiscancausedistortionandclipping.
   • Checktheinputlevelmetersinyouraudioapplication.
   • Tryusingalargerbuffersize(higherlatencysetting)intheControlPanel(Windowsonly).Largerbuffer
sizes can increase input latency time, but this is not an issue if you’re mixing, for example. Increasing the
buffer size can be helpful, particularly in the case of older or lower-powered systems.
   • Ifyouareusing a USB hub, try connecting Fast Track Ultra 8R directly to your computer.
For more troubleshooting tips, visit the Knowledge Base at www.m-audio.com