400 B/W Reflection Densitometer
2-42-4
16. Read patches on the Reference.
17. Place the instrument target window crosshairs over the alignment
marks on the white target patch, then lower the head down onto the
shoe. A filter value appears in the display and READ BLK
(BLACK) appears. Then read the black target patch.
18. The values that appear for each Step measurement should match
the values listed on the envelope for that Step. If they do not, repeat
the calibration procedure. If discrepancies continue to exist, contact
X-Rite Instrument Services.
If all values were correct, your instrument is calibrated!
QUICK CAL™
Once you have performed the long calibration, you can simply perform
the Quick Cal™ procedure periodically to set the low density (white)
value.
NOTE: In most cases, you should simply perform an entire long
calibration if possible.
1. Press FUNCTION and ENTER simultaneously, then release. N
calX Y appears in the display. X stands for the default optic; if you
have a different response selected, its initial letter will appear in
this position. (See “Selecting Response” earlier in this chapter.)
2. Press ZERO to indicate yes, you do want to calibrate.
3. Press ZERO to select Quick Cal™ procedure.
4. Read Step 1the white patchon the reference card.
Your instrument is calibrated!
Display Messages
If any display messages that have not been covered in this chapter
appear during any of the calibration procedures, see “Miscellaneous
Display Messages” at the end of Chapter 3 for an explanation and
instructions.
