MD41-1538, Model MD41 Annunciation Control Unit – 28V, Vertical

MD41-1538 Description

The MD41-1538 is a compact, and also self -contained GPS Annunciation and Control unit. It combines all the necessary functions required to interface the Honeywell KLN 89B or KLN 94 approach-certified GPS receiver with the MD41-244/248 remote mounted relay transfer system. In addition, the MD41-1538 contains several GPS status annunciations used to indicate modes selected by the front panel switches and various inputs from the GPS receiver.

A special ILS override feature has been incorporated to cause the MD41-1538(5V) to automatically switch to the NAV mode when the NAV (VOR) receiver is tuned to an ILS frequency. Other features include dual 20,000-hour lamps used for all annunciations, internally lighted selection switches and also automatic photocell dimming. Lastly, An external annunciation dimming adjustment is provided for balancing low-level light conditions.

Specifications:

Mounting: Panel

Width: 3.75 Inch

Height: 0.80 Inches

Depth: 3.22 Inch

Weight: 0.50 lb

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 N

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