AN-21 Annunciator Control Unit switches custom advisories can activate a

custom advisories can activate a CO message at pilot-selectable limits

Chose the optional course datum synchro to link the KI 203 to a compass system such as the KCS 55A

The AV-529 is designed for broadband communications (118-137 MHz)

(Rear of Bezel to Rear of Can)

LED Landing Lights

AN-21 Annunciator Control Unit switches custom advisories can activate aLight and Tone Generator for use in Experimental Aircraft Monitors Twenty One Circuits Sixteen channels activated by ground Five channels activated by positive input Each channel can activate a Light and emit a Warning Tone when triggered. Any Incandescent or LED warning indicator of the appropriate voltage can be driven by the AN 21. The AN 21 also includes a Windows Programming Utility to enable the user to configure it for each specific