Operator`s manual

CHAPTER FIVE

5-44

Measuring/Editing a Hue/Gray Reference

The reference function is used to enter hue error and grayness

reference data into the instrument. The reference data is stored

in the instrument until changed. Hue/Gray reference values

are then compared to Hue/Gray measurements and the

difference displayed. The instrument maintains separate

reference data for each of the filter values.

To measure a reference:

1. If not selected, press the Tab Up key $ or Tab Down

key @ to highlight Reference. The reference values

displayed are the current values set in the instrument.

NOTE: Reference will not appear in the measurement list unless

HUE/GRAY–REF is selected as the active Hue/Gray mode. Refer to

Hue/Gray Measurement Mode earlier in this section.

2. Center the instrument target window over the

reference, and lower the instrument to take a reading.

The reference value(s) is updated.

To manually edit reference values:

1. If not selected, press the Tab Up key $ or Tab Down

key @ to highlight Reference. The reference values

displayed are the current values set in the instrument.

NOTE: Reference will not appear in the measurement list unless

HUE/GRAY–REF is selected as the active Hue/Gray mode. Refer to

Hue/Gray Measurement Mode earlier in this section.

2. Press the Enter key # to move the highlight to the data side

of the screen. <

Enter Ref> appears in the user dialog.

3. Press the Tab Up key $ or Tab Down key @ to highlight

desired attribute.

4. Press the Enter key # to access

Reference menu.

5. Use the Tab keys $@ to move the cursor to desired

digit. Press Enter key # to access editor.

HUE/GRAY—REF Options

Paper

Hue/Gray

Reference

h 0%

g 0%

Y —> C