Information Group | Information Unit | Definition | Field Type | Field Repeatable | Info Group Repeatable |
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Technical changes | Technical change | tk | Controlled list - dynamic | No | Yes |
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| Technical change reason | tk | Controlled list - dynamic | No |
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| Technical change date | tk | Structured date | No |
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| Technical change note | tk | Text | No |
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| Previous support | tk | Controlled list - dynamic | No |
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| New support | tk | Controlled list - dynamic | No |
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| Technical change notes | tk | Text | No |
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| Technical specification notes | tk | Text | No |
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Controlled list contents
Field | Value(s) | Default Value |
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Technical change reason | conservation; exhibition; inventory; loan; preservation | none |
Technical change | code compilation; emulation; migration; refurbishing | none |
Previous support | 8mm; 16mm; 35mm; 50mm; 1/2 in.; 3/4 in.; 2 in.; Blu-ray disc; CD; DVD; Floppy disk; Laserdisc; Tape cassette; Videocassette | none |
New support | 8mm; 16mm; 35mm; 50mm; 1/2 in.; 3/4 in.; 2 in.; Blu-ray disc; CD; DVD; Floppy disk; Laserdisc; Tape cassette; Videocassette | none |