I send it to the scanner after importing the frequencies into my favorites. Going through each entry and removing the avoids would be difficult, even if I had a list to refer to.
is there a better way?
in a perfect world, when the favorite list is updated, any avoids would be left alone.
I will check into Sentinel.
If these channels are in a Favorites list, then editing the lists, adding to them, whatever you need to do, will not change the Avoid status all by itself, unless you reset it yourself when editing. If, when editing, you appended updated systems from the main database, you may have overwritten some of your Avoids without realizing it. When you download your lists from Sentinel to the scanner, you will overwrite the ones in the radio. So if the Avoid was overwritten during the edit or update process, then you'll overwrite the status in the scanner as well.
You need to read your lists from the scanner, to capture the Avoids you set while scanning. That way, your Avoids list would be the same both in the software as well as the HP-II. However, if the Avoids on the scanner were only 'temporary avoids', then they will clear themself. Set them as permanent so that they will retain the desired status.