I use SL viewer 3 and keep getting logged out due to inactivity though I've changed the "Away Timeout" setting to "never" on the general tab in preferences. In the earlier SL viewers I was able to prevent from being logged out for literally days. Now it seems, I'm logged out after only 3-4 hours due to inactivity. What settings need to be changed so I can stay logged in for extended periods of time?