The MD41-1484W is a compact, self-contained GPS Annunciation unit. This unit displays status annunciation received from the compatible GPS systems: Garmin GTN 650/750 & Avidyne IFD540.

Features include dual 20,000 hour lamps used for all annunciations along with automatic photocell dimming. An external annunciation dimming adjustment is provided for balancing low-level light conditions.