MD41-628, Model MD41 Annunciation Control Unit – 28V, Horizontal, With internal relay
The MD41-628 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 Trimble 2000APR, 2000APR PLUS, 2101, 2101 PLUS, 2101 I/O, 2101 I/O PLUS and AN/ASN-175 approach-certified GPS receivers. In addition, the MD41-624 contains a GPS/NAV status annunciation used to indicate the mode selected by the front panel switch. Also, various inputs from the GPS receiver are annunciated on the front panel.
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. An external annunciation dimming adjustment is provided for balancing low-level light conditions.
Width: 3.50 Inch
Height: 1.350 Inches
Depth: 4.625 Inch
Weight: 0.75 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
Operational Shock: Rigid Mounting, 6 G Operational (15 G Crash Safe)