MD41-538, Model MD41 Annunciation Control Unit – 28V, Vertical, With internal relay

MD41-538, Model MD41 Annunciation Control Unit – 28V, Vertical, With internal relay

MD41-538 Description

The MD41-538 is a self -contained GPS Annunciation and also Control unit. It combines all the necessary functions required for switching HSI/CDI data inputs between a conventional NAV (VOR) receiver and also the Honeywell KLN 89B or KLN 94 approach-certified GPS receiver. In addition, the MD41-538 contains several GPS status annunciations used to indicate modes selected by the front panel switches and also various inputs from the GPS receiver

A special ILS override feature has been incorporated to cause the MD41-538 to automatically switch to the NAV mode when the NAV (VOR) receiver is tuned to an ILS frequency. Other features include dual, 16,000-hour lamps used for all annunciations, internally lighted selection switches, automatic photocell dimming, and also built-in annunciation self-test. Lastly, An external annunciation dimming adjustment is provided for balancing low-level light conditions.

Specifications:

Mounting: Panel

Width: 3.50 Inch

Height: 1.350 Inches

Depth: 4.625 Inch

Weight: 0.75 lb

Also, TSO Compliance: TSO C129

Applicable Documents: RTCA DO-160C, DO-208

Operating Temperature Range: -55 to +70°C

Humidity: 95% Non-Condensin

Altitude Range: 0 to 55,000

Vibration: Cat. M and also N

Operational Shock: Rigid Mounting, 6 G Operational (15 G Crash Safe)