3.9 Display Messages
The most likely reasons for error messages to display are described below. If an
error message is consistently displayed, contact X-Rite or an Authorized Service
Center.
Power-Up Messages
"MEMORY LOST" is displayed when the instrument determines that the data in the
(battery backed up) RAM has been corrupted, if the internal lithium battery on
the P.C.B. is bad, or if a new EPROM has been installed.
Operational Messages
"CMC cf TOLERANCE EXCEEDED" is displayed during a L*C*h° difference
measurement when ∆E
CMC
value exceeds the cf (commercial factor) value.
"C
2
ONLY FOR - YELLOWNESS" is displayed when trying to select an
illuminant other than C
2
for Yellowness.
"INVALID READING" is displayed when the unit is not held down long enough
during a measurement.
"NEED CALIBRATION" is displayed if the calibration procedure is not performed
for 24 hours, or if there is a 10°C change in temperature since the last calibration.
"READING COMPLETE" measurement has been taken and the instrument can be released.
"READING XYZ C
2
" is displayed during a measurement. XYZ can be any of the
functions and C
2
can be any of the illum/obs combinations.
"REFERENCES - NOT CHANGED" is displayed after leaving the Reference Entry
function, and no change was made.
"REFERENCES UPDATED" is displayed when
[FUNCTION]
and
[ILLUM]
are
simultaneously pressed, when exiting reference mode.
"SELECT ILLUMINANT" is displayed when the
[ILLUM]
key is held down for three
seconds, activating illuminant selection.
"SET REF VALUES - ENTER or MEASURE" is displayed if the difference mode
is on, and the
[DIF]
key has been held down for three seconds, activating
reference entry mode.
"SET REF VALUES - MEASURE ONLY" is displayed in ∆WHT and ∆YEL when
reference entry mode is enabled. You can only enter these reference values by
measurement.
"UPDATING REFS ## - CLEAR REFS↓" when the illuminant/observer is
changed the stored references are automatically updated. This message also
allows you to clear out all stored references (see Section 3.3 for more details).
"USE ANOTHER COLOR SPACE" is displayed when you try to enter the
reference value numerically in ∆WHT and ∆YEL. You can only enter the
reference values by measurement.
Calibration Messages
"CALIBRATION - FAILED" is displayed when making a calibration measurement
and something is wrong (invalid reading or data is out of range).
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