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SUB-BRIGHTNESS ADJUSTMENT
1.
2.
3.
Tune ina colour programme.
Set the CONTRAST Control to the minimum and the
BRIGHTNESS Control to the centre.
Set the COLOUR Control to the centre.
Set the SUB-BRIGHT.
Control (R255) to the centre
and leave the receiver for five minutes in this state.
Watching the picture well, adjust the SUB-BRIGHT.
Control in the position where the picture: does not
show evidence of blooming in high bright area and
not appear too dark in low bright portion.
Check the proper picture variation by rotating the
CONTRAST
and
BRIGHTNESS
Controls
to both
extremes.
If the
picture
does
not
appear
dark
with
the
CONTRAST
and BRIGHTNESS
Controls turned to
the minimum, or not appear bright with the controls
turned to the maximum,
adjust the SUB-BRIGHT.
Control again for the acceptable picture.
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