Using Adobe® Flex® 4 - Adobe Blogs

Resolved code-reference.
@font-face {
font-family: myABFont;
advancedAntiAliasing: true;
src:url("../assets/MyriadWebPro.ttf");
/*
* Limit range to the letters A and B.
*/
unicodeRange: U+0041-0042;
embedAsCFF: true;
}
@font-face {
font-family: myWideRangeFont;
advancedAntiAliasing: true;
src:url("../assets/MyriadWebPro.ttf");
/*
* Set range to the 128 characters in
* the Basic Latin block.
*/
unicodeRange: U+0041-007F;
embedAsCFF: true;
}