H.264 Network DVR User Manual GUI Display with USB Mouse Control Please read instructions thoroughly before operation and retain it for future reference. For the actual display & operation, please refer to your DVR in hand. The DVR has some nice features. Cons: The DVR locks up constantly and needs to be turned off and then back on. Not reliable for unattended use. I contacted LTS with this problem and received no reply. Other Thoughts: I have replaced the LTS DVR with another brand and I am using the LTS cameras with it. I also am using the 250gb hard drive from Newegg.com offers the best prices on computer products, laptop computers, LED LCD TVs, digital cameras, electronics, unlocked phones, office supplies, and more with fast shipping and top-rated customer service. Newegg shopping upgraded ™ Make sure the cameras on the NVR/DVR are working. Camera feeds should show on the monitor of the NVR/DVR. If the cameras do not show on the device, then they will not show anywhere else (app, web client, etc.). Check network and Internet connection. If the device is unplugged from the network or the power, then the remote access will be disabled. Find helpful customer reviews and review ratings for LTS LTD04HTSK 4-Camera H.264 Realtime DVR Security System with 320GB, Mobile Phone Live View, VGA output at Amazon.com. Read honest and unbiased product reviews from our users. Holis HD Series DVR User Manual 4, 8 & 16 Channel Models 2 Notice Please read this manual thoroughly and save it for future use before attempting to connect or operate this unit. The information in this manual was current when published. The manufacturer reserves the right to revise and improve its products. All specifications are therefore Owner's Manual LTS Hide-A-Way Replace hydraulic fluid in reservoir (see Owner's manual for recommended fluids). Check and adjust relief valve settings (3000 psi UP, 500 psi POWER DOWN). See page 17. Check brushes and armature in motor. Replace if n