Special Features:

Two display lines of forty characters each; the 42 psoition alphanumericmembrane keyboard provides a weather resistant user interface; keyboard and circuit card are mounted in a cast aluminum enclosure with nema 4 and nema 12sealing against dirt, water and oil; weight 2 pounds; operates in temperatures from 0 degs c to +50 degs; obtains power from the apu via the digital interface

Properties:

An automatic electrical, electromechanical, or electronic device which generates and/or controls the energy which actuates electrical alarms such as bells, horns, sirens, buzzers, lights, and which does not in itself contain the actual alarm. If complete with alarm, the device takes the name of the type of alarm, such as alarm (as modified).