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4-3.How To Operate Maintenance Mode
DRYPRO MODEL 752 Operation Manual Ver.0.11 2002.6 29
• How to control density
Each frame of the SMPTE pattern for this device which is printed out by TEST PRINT consists of 16-step wedge,
SMPTE pattern, and 1024-step gray scale. Measure the density of the 16-step wedge or SMPTE pattern and use it for the
density control.
16-step wedge
1024 -step gray scale
IMPORTANT
• Use the SMPTE pattern for the density control.
• Do not use the calibration sheet that is printed
with the CALIBRATION function on the mainte-
nance menu for density control.
• The calibration sheet is the sampling data for
the automatic density correction.
SMPTE pattern