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.
The parameters that will be displayed on a measurement readout can be selected from the set measurements menu. To access the menu, select the “analyze” tab (highlighted in blue), and click “Set measurements…” (circled in red).
