Under some conditions it becomes necessary to reset the microprocessor/memory in an X-Rite sphere spectrophotometer. To return the instrument to all factory defaults proceed as follows:
WARNING!: The following will clear all data and/or standards stored in instrument!
Remove external power from the unit.
Make sure a charged battery is in the unit and the power is turned off.
As seen below...Press and hold keys 1, 2, and 4 simultaneously, then press the on/off switch.
Make sure the unit is not held down during this procedure!
A valid reset will begin "Diagnostic Testing-Testing Ram Page 1-9 then A-F" as illustrated:
When "Diagnostic Testing" is finished the unit will display:
"Continue Diagnostics" by pressing the key below "cont".
The instrument will now display:
When "Diagnostic Testing - Testing Rom" is finished the unit will display:
The unit is now returned to factory defaults. Immediately following this procedure you must continue by calibrating the spectrophotometer before measurements may be taken (see Related Support).