Allen&Heath Scepter USER GUIDE - Manual (Page 10)

Audio Owner Manual Section
USER SERVICE INFORMATION
There are no adjustments or alignment procedures required to maintain the
performance standards of this Allen Heath product.
To preserve the working life of the unit and its presentation, avoid the use of
chemicals, abrasives and solvents. The control panel is best cleaned with a soft
brush and a damp cloth. Switches and potentiometers are lubricated for life; the
application of electrical lubricants to these parts is not recommended.
A number of user options are available. These are changes to the functions of
various controls and outputs which can be altered by the user repositioning internal
jumper links. The details of these options are covered under in USER
CONFIGURED OPTIONS section of this manual. Any modifications to the unit other
than those specifically listed will automatically void the warranty.