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The manual was complete, parts list, adjustment procedures, etc. No worries
Text excerpt from page 7 (click to view)
AV-F2983
s VSM PRESET ADJUSTMENT (Page 27)
[Setting Values for SUB MENU 5. VSM PRESET] VSM preset VSM mode Setting item 1. TINT SETTING VALUE 2. COLOUR SETTING VALUE 3. BRIGHT SETTING VALUE 4. CONT. SETTING VALUE 5. SHARP SETTING VALUE : Do not adjust.
BRIGHT
STANDARD
SOFT
0 0 0 +15 0
b b b +4 b
b b b −4 −3
s CENTER ADJUSTMENT (Page 27)
q Do not adjust 6. CENTER (TREBLE, BASS) in the SERVICE MENU as it requires no adjustment. [SUB MENU 6. CENTER] Setting item TREBLE BASS : Do not adjust. Initial setting value (fixed) +2 0