Editing Wang 725-7231-US (section)

==Label==
While little is known about the origin and use of the Wang 725-7231-US, the back label helps to shed some light on it. The keyboard's model number is YT1-724KB-XX-T. Searching the internet for this model number leads to the website of a NATO supplier who labels the part is "Keyboard Data Entry." The right side of the label reads: "Wang 7500T Series Products are controlled by the office of Munitions Control, U.S. Department of State." There is no FCC ID because this was not intended as a consumer product. The last part of the label is dated 04 97, likely meaning April 1997. This is one of the latest Alps Wang keyboards discovered. It also shows that this keyboard is revision 3, which might imply that there are earlier Tempest Wang models out there.