4. MAIN Board adjustment
1) DMD Bias voltage
Press [Return] and [Left] buttons simultaneously . The following menu appears.
Note: For it disappears, press [Return] button.
Select the DMD bias voltage item by pressing [Up] or [Down] button.
Check the bar code seal on the ENGINE.
(EX. Read alphabet "E" from Fig.4).
Note: It is necessary to remove the Top cover.
Select proper Bias by pressing [Left] or [Right] button.
Fig.4
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