These steps will allow you to set the inactivity timeouts in the system to 10 hours
Go to tools-->Settings-->Global Settings
View Global Settings Screen
Click on Edit
The default is 600. You can change the timeout to 36000 which will give you a 10 hour password timeout window.
Click on your username on the top right and click on Log out
Access Appliance Manager
Click on Link to Appliance Manager
User Name: d42admin
Click on Set Inactivity logout time
Setting the Inactivity Tiimeout
600 minutes will give you 10 hours of inactivity. Done!