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TECHNICAL INFORMATION
25 | PreSonus 2007
4.1 TROUBLESHOOTING
Please note that many technical issues can arise when converting a standard computer into a DAW (Digital
Audio Workstation). PreSonus will only provide support for issues that directly relate to the FP10 interface. It
may be necessary to contact the manufacturer of the computer, operating system and/or software to obtain
additional technical support. PreSonus does not provide support for issues in regards to operating systems,
additional hardware or software. Please check our website, www.PreSonus.com
regularly for software
information and updates, firmware updates and technical support. Technical assistance may also be received by
calling PreSonus at 225-216-7887 between the hours of 10 am and 5 PM Central Time.
Pops and Clicks
The light on the front right panel of the FP10 is a clock (sync) indicator. It lets you know if your unit is
receiving word clock correctly. Word clock is the manner by which digital devices sync frame rates. Proper
word clock sync prevents digital devices from having pops, clicks or distortion in the audio signal due to
mismatched digital audio transmission. If the symbol is solid blue, this indicates your unit is in sync with your
computer or S/PDIF device plugged into the S/PDIF input on the back of the FP10. If the light is solid red, this
indicates that the FP10 does not have sync from the computer and that the unit might not be connected properly.
If the unit is flashing red and blue, the unit is not receiving external sync. This would be caused by the clock
source in the FP10 control panel being set to S/PDIF with no S/PDIF sync source coming in
Pops and clicks can also occur with high CPU loads (running a large number of plug-ins) at low latency.
Windows XP – try increasing your latency settings in the FP10’s hardware control panel.
No Sync (Red) – Macintosh Users
Open Audio MIDI Setup and change the Format sample rate speed to anything different. This will re-establish
synchronization and the Blue sync light will turn on. Once you have the blue sync light you can then reset the
Format sample rate to your desired setting.