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5-3-3. White Shading Adjustment
Equipment: Waveform monitor (R, G, B)
Test Point: SDI 1 connector
Subject: Full-white pattern
In the case of any of the following case is applicable, white shading is not adjusted correctly.
• The brightness of the subject is uneven.
• The brightness is not set correctly.
• Iris value of lens is not set correctly.
• Zoom position is not set correctly.
Obey the content of the following preparation and procedure, use calibrated equipment and tools.
Preparation
• Setting for the MSU
KNEE OFF button → OFF (lit)
MASTER GAIN → 0 (0 dB)
• Shoot the full-white pattern so that it is aligned with the under scanned monitor frame.
• Lens iris: F4 to F5.6
• A = 600 ±20 mV
If the lens aperture is greater than F5.6, adjust the light amount with the shutter.
• Lens focus: ∞
• Set the lens extender or the lens shrinker to the following settings.
Lens extender (×2) → OFF
Lens shrinker (×0.8) → OFF
• Set as follows on the camera setup menu.
MENU: OPERATION
PAGE: LENS FILE
ITEM: FILE
1. Select the file in accordance with the lens attached. If there is no appropriate file, select NO OFFSET.
2. Change the name of lens with MSU.
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