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DB-37 Manual > Connectors And Indicators > DAC > Analog Test

Analog Test
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The number of the blinking indicators depends on the chosen power supply, either self powered or bus powered. In self powered mode there are six indicators blinking. In bus powered mode there are seven indicators blinking. This is caused by the voltage of the USB port.

When clicking the button "DAC_A" the green indicators should blink.

When clicking the button "DAC_B" the yellow indicators should blink.

note

If there are more or less than six (self powered mode) or seven (bus powered mode) indicators blinking, then check the correctness of the reference's settings.