Brother PDS-5000F User Manual page 99

Scan (Macintosh)
More
Click the More button to select additional font properties.

Size
Move the slider to select font size (Default: 5).

Density
Move the slider to select font density (Default: 0).

Transparency
Move the slider to select a transparency value from 0% (not transparent) to 100% (completely transparent).
This is useful when creating a partially transparent watermark.
6
94