Doug, Experiment with Menu 7-7, T-SSB to enhance EDSP transmitted audio Also in Menu 8-9 experiment with T-USBCAR to tweak your audio. 73, Randy WX5L Subject: [1000mp] 1000mp ESDP low audio level > > Any suggestions/modifications on increasing the audio gain > through the EDSP in the 1000mp? > (yes I know about the AF gain control) > > Doug/VA5DX