Samsung UN46ES7500F E-Manual page 228

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Menu Support Self Diagnosis
●
Picture Test
Use to check for picture problems.
Picture Test displays a high definition
picture that you can examine for flaws
or faults.
Yes: Select Yes if the test picture
does not appear or there is noise or
distortion in the test picture. There
may be a problem with the TV. Contact
Samsung's Call Center for assistance.