User guide
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Interactive Touch Screen Operation
The  SP20 has been designed with a 4.3” interactive touch screen for 
reliable and easy usage. The interface is programmed to be as intuitive and 
straight-forward as possible. Please review the following section to get the 
most from your preamplier.
The Home Screen
The Home Screen provides the current status and operating functions of 
the SP20. Once you have set up the preamplier, the Home Screen will be 
the most used interface for operating your system. 
Operation
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Input Name
The input currently in use is displayed in the top left corner. To change 
inputs, use the rotary controller on the left side of the SP20. There are 
two names displayed; the top name in smaller print is the given name of 
the input which corresponds to the name on the back panel. This name 
is xed and not changeable. The second name in larger text is a user-
assignable name which can be congured up to eight characters. Please 
see ‘Change Input Label’ in the settings menu for further instructions on 
customizing input names.
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