Sony MCC3000MT, Руководство по обслуживанию

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Section 4
Electrical Alignment
Notes on Adjustments
When making electrical adjustment, contact your local Sony Sales Office/Service Center.
4-1. Adjustment in MAINTENANCE Menu
The MAINTENANCE menu of service menu enables adjustment of parameters that are unique to each unit for correction
of nonuniformity of image pickup devices and lenses. For the service menu, refer to
“3. Service Menu” .
4-1-1. Test Saw Setting
• Test Saw setting enables the operator to select the Test Saw signal instead of the imager output signal when recording
or outputting images.
4-1-2. Black Shading Adjustment
Note
• All of the Black Shading correction values have been set to ±0 when shipped from the factory. (When the Black
Shading correction is executed, it results in height difference of black level at the boundary areas between the
corrected areas).
Do not change the Black Shading correction values to any values other than ±0 unless it is necessary.
• Before executing the Auto BLK Shad menu, check that the following items are set to the specified settings as
described below.
- The Inversion item on the PICTURE PROFILE menu → Normal
- The Shutter item on the PICTURE PROFILE menu → Off
- Iris is made equivalent to Close. (Since this equipment provides no Iris adjustment, completely cover the front
of the lens so that no incoming light should enter the camera.)
Overview of Black Shading Adjustment
• The Black Shading menu enables the H Saw correction level adjustment, V Saw correction level adjustment and
parabola correction level adjustment.
• The Black Shading setting menu can be used to turn Black Shading correction On or Off.
The Black Shading setting is turned On automatically when the power is turned On.
• The Channel Select menu enables selection of the channel (G-ch or B-ch or R-ch) to execute the H Saw, H Para,
V Saw, and V Para black shading adjustments on.
• When the Channel Select menu selects any other channel, the displays of the H Saw, H Para, V Saw, and V Para
setup values are changed to the current setup values of the channel selected by the Channel Select menu. The
changes are reflected on the H Saw, H Para, V Saw, and V Para setup values.
• The H Saw menu enables the horizontal Saw black shading correction (linear increase and decrease) level.
• The H Para menu enables the horizontal Parabola black shading correction (black level correction at the horizontal
center with respect to both ends) level.
• The V Saw menu enables the vertical Saw black shading correction (linear increase and decrease) level.
• The V Para menu enables the vertical Parabola black shading correction (black level correction at the vertical center
with respect to both ends) level.
• The Auto BLK Shad menu enables the auto black shading correction (automatic optimization of the respective
correction values of the black shading correction).
• When Auto BLK Shad menu is selected, the Execute and Cancel choices appear. Selecting Execute starts Auto
Black Shading.
MCC-3000MT
4-1