Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Selection of ROI in N&B window. Under Cursors tab, select an ROI by clicking on the On box to the left size. The size of the ROI can be controlled by toggling the or value up and down. The ROI shape can be set as a circle or rectangle. Once the ROI is selected, the box will appear on the B map panel and can be moved around with the mouse cursor. The red arrow points to the location where the B value is displayed for the ROI.
