At my Dept. we are programming all of our portable radios, TK-3180's, with Fleetsync so we can see who is keying up each time ( on all channels we use ) and to use the emergency button feature if needed. These radios are programmed with KPG-89D software. My question is is there any way to "mute" the data burst that has bee set for the beginning of transmission from coming thru the recieving TK-3180's? Having to hear the burst (chirp) every time a radio is keyed up is getting old fast. Thanks.