The MB10-is a 3-light 75 MHz Marker Beacon receiver and indicator. This provides the necessary Marker Beacon lights and audio indications necessary for an Instrument Landing System (ILS) approach. A switch labeled Hi/Lo/TST allows the pilot select high or low sensitivity as well as test and mute modes.
The MB10R is remote mounted 75 MHz Marker Beacon receiver capable of activating either panel mounted lamps (not included), an electronic display system, or both.
Note: The MB10R has provisions for remote mounting the Marker Mode selector (Hi-/Lo-Test/Mute). This must be an On-Off-Momentary On switch. Connect Pin 15 to ground to place the unit in High Sense, and momentarily ground Pin 13 to mute the marker audio. Holding this pin low for 1-second will test the lamp circuits.