+comset default
From Elendor
Syntax: +COMSET/DEFAULT <name of set>=<channel> This command sets <channel> to be the default channel in channel set <name of set>. <channel> may or may not already be a member of the given set. If it is not already a member, it is added and made to be the default. If it is already a member then it is simply made the default. The default channel is simply the first channel in the list.