Firmware Update
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      TVT NVR 1.4.8 Firmware Update - Notes

      Click on the link and open it in EGDE to download.

      NVR 1.4.8 updates:

      1. Supports enabling APP to active, deactivate, disable, enable audio alarm and light alarm for PA camera. (PA should be above to v5.1.2)
      2. Supports configuring access control parameters and open doors remotely. (TD-E2123, TD-E3110 doorbell, etc)
      3. APP notification displays snap picture.
      4. Supports NVR to activate IPC.