Manual

June 2004 Isis® Sonar User's Manual, Volume 2 81
Figure E-8. Mensuration lines on a contact image
Whether or not you have mensurated the contact, you can save the contact at
any time by pressing the
[F9] key or selecting Save Contact from the File menu.
Contact files are not named or saved to the hard
disk until Save Contact has been selected.
E.5 The Enhance Function
In Enhance you can:
• Increase or decrease brightness, contrast, gamma, and sharpness in an
image;
• Emphasize or de-emphasize content in the image using 14 unique
“filters”;
• Apply three different kinds of vignette lighting corrections to an image;
• Rotate the image clockwise or counterclockwise;
• Magnify the image three different ways (replicate, bilinear, or cubic
sampling).
Appendix E: Using the Target Utility