New SDS100 owner here. I was looking in Sentinel sw trying to do a negative volume offset on one trunked talkgroup. I went to DATABASE/MY STATE/MY COUNTY/MY ENTITY and brought up the city fire list of talkgroups. I attempted to enter an offset for the ALERT group but no changes are allowed. I was able to select AVOID for that talkgroup however. I talked to Uniden tech support and was advised there was no way to do this. She said the volume software was actually a BUTEL product??? I guess Uniden bought a license to add it to their Sentinel sw. This ALERT channel is VERY LOUD. Loud enough that I have to turn the volume down from 7 to 2 to reduce the computer generated voice to the same level as the talk channels. Very annoying. If anyone has any ideas, I'm interested. I did ask her if there was a way to ask for a sw update that would allow a single talkgroup volume offset change. She wasn't sure.