Adjusting the Auto Logout Feature in a DX DVR does not apply to individual users or user groups. It applies to all of the users.
Pelco Video Management
The Auto User Logout feature is a Global feature in the DX series DVRs
The Auto User Logout is a Global feature that applies to all the users regardless of hierarchy and restrictions.
User accounts auto logout of the DX4500_DX4600 Client software when connected to a DX4600 DVR.
Auto Log out on DX8000/DX8100 Series
Does the DX4100 Series Digital Video Recorder (DVR) have an auto user logout feature?