MD41-1638, Model MD41 Annunciation Control Unit – 28V, Trimble 2000 APR/2101, Vertical
The MD41-1638 is a compact, and also self -contained GPS Annunciation and Control unit. It combines all the necessary functions required to interface the Trimble 2000APR, 2101, 2101 I/O, AN/ASN-175 and also, later PLUS version approach-certified GPS receivers with the MD41-244/248 remote mounted relay transfer system. In addition, the MD41-1638 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 MD41-1638 to automatically switch to the NAV mode when the NAV (VOR) receiver is tuned to an ILS frequency. Also, Other features include dual 20,000-hour lamps used for all annunciations, internally lighted selection switches and automatic photocell dimming. Lastly, An external annunciation dimming adjustment is provided for balancing low-level light conditions.
Width: 2.75 Inch
Height: 0.80 Inches
Depth: 3.22 Inch
Weight: 0.50 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
Lastly, Operational Shock: Rigid Mounting, 6 G Operational (15 G Crash Safe)