Alesis Fusion 6 HD Service Manual page 197

AUDIO TEST
OUT
1) Press the soft button that corresponds to the text "AUDIO" on the left hand side of the
display. The LCD should display the following:
Note that "OUT" is highlighted on the right hand side of the display. If this is not the case, press
the soft button that corresponds to the text "OUT" on the right hand side of the display.
2) Turn the volume control completely counterclockwise before plugging in the headphones
into the headphone output of the unit under test.
3) After connecting the headphones to the unit under test, slowly turn the volume control
clockwise and verify that a tone (approximately 345Hz) is heard from both the left and right
side of the headphones.
4) Press the "NEXT" button. The text "All Outputs" should now be highlighted, as shown below:
5) Turn the encoder one click clockwise. The highlighted text should now read "Main Left," as
shown below:
Verify that the tone is heard only from the left side of the headphones.