My MCE325 transmits okay, but doesn receive. Whats wrong?
A 35. First, check to make sure that the unit is not set to the “four-channel mode”. If it is, then you may have not changed the key caps to reflect the new setup. More likely, however, is the sidetone is not set correctly. A maladjusted sidetone control can completely or partially disable the receive signal to the unit. Set the sidetone to its null point to optimize the receiving capability of the unit, and to minimize local feedback.