How often do Totoku monitors need to be re-calibrated?
Theoretically, the monitors do not require re-calibration. The calibration procedure makes two adjustments. First, it sets all shades of gray to the DICOM standard that is built into the lookup tables of the monitor and stores this information in the memory. Second, it also adjusts the brightness to 410 cd/m2. This does not change because a built-in sensor increases the power to the backlight and maintains a constant light output. This is called automatic brightness control (ABC). The only way to disrupt the calibration is to change the monitor settings to manual and use the on-screen display (OSD) function.
