Lehrermodul Einzelübergabe Graupner 3290.2 Using this extension module the opto-electronic instructor/student system, No. 3290, can be converted to a professional instructior/student system featuring single control function transfer. When the module is installed into the mc-18 transmitter, the latter has to be equipped with the PROFI-ULTRASOFT-ROM mc-20 X, No. 4800.670.
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