Technical data

Settings

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5.4 – 5.4.1

5.4 References

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For density difference measurements, it is necessary to measure or enter reference values.

Tolerance values can be overwritten. Four jobs with four to eight references each can be

defined. The names of the jobs can be freely selected. The names of the references one to

four are preset. The names of the references five to eight can be freely selected. Preset

default reference and tolerance values may be set.

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Are the references entered manually, it depend in which function the references are used:

• For normal density difference (function Density difference) you have to enter the values in

the menu Reference input.

• For density differences in all absorbtions (function All density diff for gray-balance-

measurement) you have to enter the values in the menu All densities. Are the references

measured by the instrument you can use both menus.

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This is the description of the menu Reference input. For a description of the menu All

densities refer to 4.5 ‘All density diff’.

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5.4.1 Reference entry by measurement

Procedure if no jobs have been defined:

• Select the menu line References by turning the <Control ball> and confirm the selection by pressing

the <Measurement key>.

• The display shows Reference input in reverse video.

• Activate the function by pressing the <Measurement key>.

• The display shows Measure paper white in reverse video.

• Position the measuring aperture on the paper white and initiate a measurement by pressing the

<Measurement key>.