Quick Setup Guide
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Figure 7. Channel and Master Volume GUI
Uncheck mute and increase volume to the desired level, and close the window. Then press the MUTE
switch on Input-USB Board 3 to extinguish the MUTE LED. The EVM should now operate.
NOTE: In some cases when power is cycled on the DUT or Input-USB Board 3 but the GUI is not
closed, it will be necessary to take an action like checking and unchecking mute to force I2C
communication to refresh TAS5538. In some cases the startup process must be repeated.
An SPDIF input may be provided to Input-USB Board 3 by coax to jack COAX or by optical connection to
jack OPTO. Alternatively an analog input may be connected to jack ADC1_IN. An analog input will
override an SPDIF input.
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TAS5622-TAS5624DDVEVM
SLAU376–May 2012
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