Special Features:

Lens in pos 2 engraved true bearing/heading; lens in pos 4 engraved mode ii iff; lens in pos 5 engraved height over 10; lens in pos 6 engraved enter line; lens in pos 7 engraved helo; lens in pos 8 engraved assign altitude; lens in pos 9 engraved do not intercept; lens in pos 11 engraved symbol inhibit

Properties:

A digital/numeric/character display illunimated by incandescent lamps projecting changeable messages through a series of light collecting, condensing, and projection lens onto a viewing screen. May include message film chip(s), a message storage medium, and color filter(s). Excludes readout, incandescent type.