User guide
PERFORMANCE TIPS & TROUBLESHOOTING
108
CueMix FX monitoring feature. Please see 
chapter 9, “Reducing Monitoring Latency” 
(page 55).
Controlling monitoring latency
See chapter 9, “Reducing Monitoring Latency” 
(page 55).
CUSTOMER SUPPORT
We are happy to provide customer support to our 
registered users. If you haven’t already done so, 
please take a moment to register on line at 
motu.com, or fill out and mail the registration card 
included with your 8pre. Doing so entitles you to 
technical support and notices about new products 
and software updates.
REPLACING DISKS
If your UltraLite-mk3 installer CD becomes 
damaged and fails to provide you with fresh, 
working copies of the program, our Customer 
Support Department will be glad to replace it. You 
can request a replacement disc by calling our 
business office at (617) 576-2760 and asking for the 
customer service department. In the meantime, 
you can download the latest drivers from 
www.motu.com.
TECHNICAL SUPPORT
If you are unable, with your dealer’s help, to solve 
problems you encounter with the UltraLite-mk3 
system, you may contact our technical support 
department in one of the following ways:
■ Tech support hotline: (617) 576-3066 (Monday 
through Friday, 9 am to 6 pm EST)
■ Tech support 24-hour fax line: (617) 354-3068
■ Online support: www.motu.com/support
Please provide the following information to help us 
solve your problem as quickly as possible:
■ The serial number of the UltraLite-mk3 system. 
This is printed on a sticker placed on the bottom of 
the UltraLite-mk3 itself. You must be able to supply 
this number to receive technical support.
■ A brief explanation of the problem, including the 
exact sequence of actions which cause it, and the 
contents of any error messages which appear on the 
screen.
■ The pages in the manual which refer to the parts 
of the UltraLite-mk3 with which you are having 
trouble.
■ The version of your computer’s operating 
system.
We’re not able to solve every problem immediately, 
but a quick call to us may yield a suggestion for a 
problem which you might otherwise spend hours 
trying to track down.
If you have features or ideas you would like to see 
implemented, we’d like to hear from you. Please 
write to the UltraLite-mk3 Development Team, 
MOTU Inc., 1280 Massachusetts Avenue, 
Cambridge, MA 02138.










