Special Features
Qused with display unit nsn 6610-01-147-8346 to make up the vsd-du; replaces 6610-01-255-1321; this item has conversions changing the instrument landing system display presentation by deleting the previous ils box and replacing it with a localizer and glide slope raw data deviation scale; a new ils/aila mode is created and the steering cross gain is changed; conversion is implemented by changing the deu firmware on the a23 cca and changing the generator prom on all cca