Toshiba e-STUDIO2020C Service Handbook page 442

[I] Adjust image quality
(1) Start up with the Adjustment mode (05).
(2) Perform "Automatic gamma adjustment" <PPC> (05-580).
P.3-29 "3.2.1 Automatic gamma adjustment"
(3) Turn the power OFF.
e-STUDIO2020C/2330C/2820C/2830C/3520C/3530C/4520C
REPLACEMENT OF PC BOARDS/HDD
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