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Date: April 05, 1989 14:18
From: BERT::OWENS
To: @SYS$MAIL:ENGINEER
Several people have asked me about the problems they are having getting the
correct brightness levels on the Sanyo displays. After looking at several
different displays, I have concluded that the samples we are receiving from
MFG are "RAW" units. As in they have not had the Black Level adjusted, and
they have not been white tracked per Atari specifications. I recommend that
on all future MTO's the requester specifies on the MTO that the displays
need to be set-up prior to delivery to Engineering. It is important that the
displays used in game development represent the actual displays that will be
used in the product build so that the correct RGB signal levels can be set
via the bias resistors on the video output circuits. It is very hard to set
the Black Level on the displays once they are mounted in the cabinet, so the
best I have been able to do on the field test, and show games is bump up the
low end of the RGB outputs of the displays to compensate for the loss in the
brightness range. Your cooperation in this matter is appreciated.
RLO
Apr 05, 1989