Alesis DEQ830 Service Manual page 37

Front Panel Sub Assembly Test CON'T
21) Turn VALUE knob clockwise, one position.
Verify that the front panel LEDs shows TENTH row for the left
hand side, and that the color is ORANGE.
Verify that the front panel LEDs shows NINTH row for the right
hand side, and that the color is ORANGE.
Verify that the bottom segment are on in the DIGIT display, and
that the color is GREEN.
Verify that the 44.1 indicator is on and that the color is
GREEN.
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.
22) Turn VALUE knob clockwise, one position.
Verify that the front panel LEDs shows ELEVENTH row for the
le ft hand side, and that the color is ORANGE.
Verify that the front panel LEDs shows TENTH row for the right
hand side, and that the color is ORANGE.
Verify that the bottom right segment are on in the DIGIT
display, and that the color is GREEN.
Verify that the 44.1 indicator is on and that the color is
GREEN.
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.