GE MEDICAL SYSTEMS
2127661
LOGIQ 400 SERVICE MANUAL
FUNCTIONAL CHECKS
4–13
REV 0
4–3–2 Diagnosis Test Menu (Continued)
(B) TEST PATTERN BLACK & WHITE
The black & white pattern permits the serviceman to accurately adjust the contrast of an optional equipment
(such as a camera) to see the details in the lightest and darkest areas of the image.
Type 2 and then press Enter key when the Diagnosis Menu is displayed. The Test Pattern Black & White is dis-
played as shown in ILLUSTRATION 4–10.
TEST PATTERN BLACK & WHITE
ILLUSTRATION 4–10