Compact Control Transponder Model 104
Compact Control Transponder Model 104 was developed to give a companion piece to the Dual NAV/COM so that simmers had an operating panel for the old style analog transponders.
Compact Control TRANSPONDER BOX-Model 104
This Compact Control includes seven numbered push buttons and three labeled push buttons (CLR, IDT, and VFR). It also includes one rotary switch (5 position).