I am looking for an AUDIO GAIN knob for the HT-37. The audio gain knob does not have the orange dot on top or the index line down the side. Any leads would be appreciated. Best Regards, Walt Cates, WD0GOF, http://www.myhamshack.com/WD0GOF/<http://www.myhamshack.com/WD0GOF/> All human achievements are empty and disappointing when pursued as ends in themselves.