I got this GX50 as a spare but I don't need it anymore. I replaced the backup battery and fully tested the unit excluding baro input. It is offered as a replacement with no tray. I do have a spare annunciator, and MD65 indicator if you are planning a "new" install.

FEATURES

The GPS navigation features for the GX50 GPS include:

V3.5 software provides GPSS roll steering as well as legacy autopilot outputs.

Will automatically send frequency information to Garmin GTR200, SL40, and/or SL30 radios.

• High resolution, daylight readable graphics display

• Automatic display intensity

• Back-lit buttons

• Simple “Direct-To” navigation

• Datacard database for easy user update and replacement

• Nearest waypoint and airspace search (includes airports, VORs, NDBs, intersections, and user waypoints)

• Remote waypoint search

• Navigation displays -

− Lat/Lon to 0.01 minute

− Bearing and distance to waypoint

− Ground speed and track angle

− Track angle error

− Desired track and distance between waypoints

− Cross track error with numeric and graphic CDI

− Display of the “TO” waypoint ident

− ETE and ETA to the “TO” and destination waypoints

− Altitude (from altitude encoder/converter input)

− Minimum safe altitude and enroute safe altitude information

• Map Displays -

− Full screen map with bearing, distance to waypoint, and zoom level

− Split screen map with distance, speed, bearing, track, crosstrack error, To waypoint, and zoom level

− Smart key, 1 button map declutter, Tri-state

− On map waypoint selection for information, direct-to nomination

− Track up, desired track up, and magnetic north up options

− Runway diagrams and runway names displayed

− 5nm ATC rings around airports with control towers

− Airspaces displayed by sector or outer boundary

− Airspace display controllable by type

− Approach preview page (GX50/60 only)

− Route line displayed

• Automatic waypoint sequencing

• Vectors to final input (GX50/60 only)

• DME arc assist

• Built-in simulator for trip planning and training

• User definable navigation pages with auto sequencing

• 30 flight plans of 20 legs each

• 500 user waypoints created by lat/lon or by radial/distance from a reference waypoint

• Real time clock (time and date) in UTC

• Countdown timer

• Flight timer

• Automatic or manual magnetic variation

• Parallel track offset

• Alerts for -

− Loss of navigation data

− Arrival at waypoint

− Special use airspace

• Full range (10VDC to 40VDC) input supply voltage