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While in Redline (or Change Managment) mode, select "Note" icon:
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Tap anywhere on the drawing to add Note:
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Tap on the Note, to see details. Use camera icon to take new photo with your device or select folder icon to select image from you library (camera roll).
If the text was modified, please use Save button to update it (save it).
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Use the Eye icon to open preview of the image or file:
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