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Troubleshooting Symptom Charts/Raster
(Continued)
- 11
Raster
(Continued)
Raster jumps Replace microprocessor board after downloading settings as
described in “Display Setting Restoration” in this chapter.
Caution:
To prevent data loss or corruption, always save
EEPROM settings before you replace the microprocessor board.
Raster edges have
color blotches when
displaying an all-
white screen
1 Degauss monitor with an external degaussing coil.
2 Move monitor to different location and repeat degaussing
procedure.
Note:
This symptom is caused by strong magnetic fields in
the environment. Exchanging boards will not cure the
symptom. Refer to “First Checklist” in this chapter.