Alesis DEQ830 Service Manual page 46

Final Assembly System Test CON'T
8) Turn VALUE knob clockwise, one position.
Verify that INPUT and OUTPUT indicators are on.
Verify that the FIRST 7- segment digit is on.
Verify that all the LEDs are on, that they have a consistent
br ightness and that they are not flickering.
Problems with this inspection indicates that the unit is
problems with its LED display, and that the DUT has FAILED.
Failure of this test indicates that this sub-assembly cannot
continue further testing.
9) Turn VALUE knob clockwise, one position.
Verify that STORE and COMPARE indicators are on.
Verify that the SECOND digit is on.
Verify that all the LEDs are on, that they have a consistent
brightness and that they are not flickering.
Problems with this inspection indicates that the unit is
problems with its LED display, and that the DUT has FAILED.
Failure of this test indicates that this sub-assembly cannot
continue further testing.
10) Turn VALUE knob clockwise, one position.
Verify that STORE and COMPARE indicators are on.
Verify that the SECOND digit is on.
Verify that all the LEDs are on, that they have a consistent
brightness and that they are not flickering.
Problems with this inspection indicates that the unit is
problems with its LED display, and that the DUT has FAILED.
Failure of this test indicates that this sub-assembly cannot
continue further testing.