968 Spectrophotometer Operation Manual ***discontinued ... - X-Rite

3.9 Display MessagesThe most likely reasons for error messages to display are described below. If anerror message is consistently displayed, contact X-Rite or an Authorized ServiceCenter.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 onthe 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° differencemeasurement when ∆E CMC value exceeds the cf (commercial factor) value."C 2 ONLY FOR - YELLOWNESS" is displayed when trying to select anilluminant other than C 2 for Yellowness."INVALID READING" is displayed when the unit is not held down long enoughduring a measurement."NEED CALIBRATION" is displayed if the calibration procedure is not performedfor 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 thefunctions and C 2 can be any of the illum/obs combinations."REFERENCES - NOT CHANGED" is displayed after leaving the Reference Entryfunction, and no change was made."REFERENCES UPDATED" is displayed when [FUNCTION] and [ILLUM] aresimultaneously pressed, when exiting reference mode."SELECT ILLUMINANT" is displayed when the [ILLUM] key is held down for threeseconds, activating illuminant selection."SET REF VALUES - ENTER or MEASURE" is displayed if the difference modeis on, and the [DIF] key has been held down for three seconds, activatingreference entry mode."SET REF VALUES - MEASURE ONLY" is displayed in ∆WHT and ∆YEL whenreference entry mode is enabled. You can only enter these reference values bymeasurement."UPDATING REFS ## - CLEAR REFS↓" when the illuminant/observer ischanged the stored references are automatically updated. This message alsoallows 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 thereference value numerically in ∆WHT and ∆YEL. You can only enter thereference values by measurement.Calibration Messages"CALIBRATION - FAILED" is displayed when making a calibration measurementand something is wrong (invalid reading or data is out of range).26