Nikon D50 Repair Manual page 92

9. Procedure
9-1. Shooting image adjustment
● Calculate the "Sensitivity" and "Sensitivity ratio" reference values by using D50 reference body
beforehand, then perform the adjustments. (ref. 9-5.)
● For the shooting image adjustment from (1) to (3), perform all of them in this order. The adjustments from
(1) through (3) are all programmed to be executed in serial order. When (1) is completed, the software
automatically goes on to the next adjustment.
● In case adjustments are interrupted by NG, it is possible to continue the adjustments again after NG. As for
adjustments that were ended with OK, the storage of adjustment values into EEPROM and the flashram-up
are completed.
＊ Note: Adjustments are not possible without resetting "Custom setting" of this camera.
Before the adjustments, record the details of "Custom setting" set by customers if necessary.
Start adjustments
・Provide the power for the camera via AC adapter.
・Reset "Custom setting".
・Set "PTP" mode by Setup menu.
・Set the focus mode to M, exposure mode to M, and the exposure compensation to "0" of the camera.
・Connect the camera and PC via USB cable.
・Set the color viewer luminance to LV13 equiv.
(1) Sensitivity adjustment
・Click "SENSITIVITY ADJUSTMENT" of the main menu on screen.
・Attach the tool lens (Aperture F8) and ND filter (ND 8× 1+ ND 4 ×1）to the camera.
・Get the camera closest to the center of the illuminated surface of the color viewer.
・The adjustment starts. When it is completed, "OK" is displayed.
・The software automatically goes on to the next adjustment item.
CCD Gr/Gb compensation adjustment (R/B filter)
(2)
・Click "Gr/Gb COMPENSATION ADJ (G FILTER)" on the menu.
・Attach the tool lens (Aperture F5.6) and SP3 (R filter) to the camera.
・Get the camera closest to the center of the illuminated surface of the color viewer.
・The adjustment starts. When it is completed, the next instructions are displayed.
・Attach the tool lens (Aperture F5.6) and SP1 (B filter) to the camera.
・Get the camera closest to the center of the illuminated surface of the color viewer.
・The adjustment starts. When it is completed, "OK" is displayed.
・The software automatically goes on to the next adjustment.
(3) Sensitivity ratio adjustment
・Click "SENSITIVITY ADJUSTMENT" of the main menu on screen.
・Attach the tool lens (Aperture F8) to the camera (without filter).
・Get the camera closest to the center of the illuminated surface of the color viewer.
・The adjustment starts. When it is completed, "OK" is displayed.
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VBA12001-R.3668.A