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.
(Color) The “Gap Explorer” display shows the desired and actual gap for a given leaf pair and the error in the gap. It also shows the deviation in position for each leaf, the desired and actual velocities of each leaf in the pair, the change in the dose fraction index, and the MLC beam hold‐off flag.
