MIL-STD-1280, MILITARY STANDARD: KEYBOARD ARRANGEMENTS (28 JAN 1969) [S/S BY MIL-HDBK-1280]

MIL-STD-1280, MILITARY STANDARD: KEYBOARD ARRANGEMENTS (28 JAN 1969) [S/S BY MIL-HDBK-1280]., This standard establishes the assignment of the 128 characters of the military standard code for information interchange and 54 of the 57 "American" characters of USASCSOCR X3.17-1966 to keys in a typewriter-like keyboard arrangement for application where the textual information has a high alpha content. This standard also establishes the assignment of the same character sets in a typewriter-like keyboard arrangement for application where the textual information usually has a high numeric content.