Ohb File; Bvp-E30/E30P M-V1 - Sony BVP-E30 Maintenance Manual

4-7. OHB File

OHB File is used to store the adjustment values specific to the CCD block, and it stores the data in the
camera.
2D black shading and 3D white shading adjustment
2D black shading and 3D white shading adjustments are performed during black shading or white shading
automatic adjustment respectively when the 2D black shading or 3D white shading is set to ON. Compen-
sation data is stored only in the OHB File.
If performing only adjustment without storing adjustment data, the data will be lost after the unit was
powered off. Be sure to store the data in the OHB File.
m
. When you cannot adjust the video level for the specified value by the lens iris at the ND offset adjust-
ment, adjust by Shutter/ECS. If adjusting by gain up, the error may occur in the white balance.
. Perform the OHB matrix adjustment only when it is necessary to unite the delicate difference in color
reappearance.
. If adjusting the all items shown below, execute the OHB File Store after finishing all adjustments.
If adjusting only the individual item, first execute STANDARD in step (1), and then perform adjust-
ment. After finishing adjustment, execute the OHB File Store.
Adjusting and Storing
Using FILE/MAINTENANCE Menu of this unit
(1) [FILE] → [REFERENCE] → [STANDARD]
(2) Adjust the black shading automatically.
[MAINTENANCE] → [BLACK|SHADING] → [AUTO|BLACK|SHADING]
Repeat this operation 3 times or more.
When adjustment is not completed correctly, adjust the black shading automatically again, or adjust
the black shading V SAW, V PARA, H SAW, and H PARA on R/G/B respectively.
[MAINTENANCE] → [BLACK|SHADING] → [V|SAW|R/G/B], [V|PARA|R/G/B], [H|SAW|R/|G/B], [H|PARA|R/G/B]
(3) Adjust the black balance automatically.
[MAINTENANCE] → [AUTO|SETUP] → [AUTO|BLACK]
(4) Adjust the white shading automatically.
Shoot the white pattern so that the video level is around 80 % (560 mV).
[MAINTENANCE] → [WHITE|SHADING] → [AUTO|WHITE|SHADING]
Repeat this operation 3 times or more.
When adjustment is not completed correctly, adjust the white shading automatically again, or adjust
the white shading V SAW, V PARA, H SAW, and H PARA on R/G/B respectively.
[MAINTENANCE] → [WHITE|SHADING] → [V|SAW|R/G/B], [V|PARA|R/G/B], [H|SAW|R/G/B], [H|PARA|R/G/B]
(5) Perform the ND offset adjustment.
n
Perform adjustments while selecting all ND filters (1 to 4), or the ND offset adjustment will not be
completed.
1 Select 4 by the ND filter knob, and shoot the white pattern so that the video level is 50 % (350 mV)
or more.
2 Select 1 by the ND filter knob, and adjust the lens iris so that the video level is 80 to 50 % (560 to
350 mV), and then adjust the white balance automatically.
[MAINTENANCE] → [AUTO|SETUP] → [AUTO|WHITE]
4-10 (E)

BVP-E30/E30P M-V1