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9
Automatic Data Recording
Procedure—Using the 391
Densitometer
When the X-Rite 391 densitometer is used to measure
process control films, it will automatically calculate and
store the values for: speed index, contrast index, and
base+fog. The unit will also store up to 32
measurements of film data for twelve processors.
Printing Process Control Records
The 391 densitometer will printout the process control
record when interfaced to a printer (see below).