Bell & Howell test patterns: Difference between revisions
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* Black screen, 1133 Hz tone (60 seconds) |
* Black screen, 1133 Hz tone (60 seconds) |
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* Blue screen, 1033 Hz tone (60 seconds) |
* Blue screen, 1033 Hz tone (60 seconds) |
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* Green screen, Silent (60 seconds) |
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* Green screen, 967 Hz tone (15 seconds) |
* Green screen, 967 Hz tone (15 seconds) |
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* Green screen, 967 Hz tone (60 seconds) |
* Green screen, 967 Hz tone (60 seconds) |
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* Green screen, 1033 Hz tone (60 seconds) |
* Green screen, 1033 Hz tone (60 seconds) |
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* Red screen, 367 Hz tone (60 seconds) |
* Red screen, 367 Hz tone (60 seconds) |
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* White screen, Silent (60 seconds) |
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* White screen, 400 Hz tone (60 seconds) |
* White screen, 400 Hz tone (60 seconds) |
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* White screen, 467 Hz tone (60 seconds) |
* White screen, 467 Hz tone (60 seconds) |
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