Yes, If HDD is full, it overwrites timelapse data on panic recording data. However, Panic recording data can be maintained by using 'recording data protection' function.  

Yes records forever. However, if overwrite is off, it stops panic recording when HDD is full.

Q. Example : 1. 09:00 ~ 21:00 : timelapse recording 2. 21:00 ~ 09:00 : event recording In this case, is it possible to search only event recording when search 9/1 00:00:00 ~ 9/30 24:00:00 ?   A. Event log must remain when event is set in the recorder [...]

SAVM function is only for IDIS cameras, not 3rd party camera. Camera supports SAVM and NVR just accesses camera to use SAVM.

Unlike NVR, TVI recorder cannot change the audio recording codec. Only uses G.726(fixed).

Ex) TR-2504 : Playback speed as below. Playback - 120/100 ips@ CIF, 2CIF, D1, 960H(NTSC/PAL) - 120/100 ips@ HD(30p/25p) - 120/100 ips@ FHD(30p/25p) - 72ips@ 3MP, 60 ips@ 4MP, 40 ips@ 5MP Recording per ch ips - Recording below 2m. - 30ips. - 3M recording ips : 18ips - [...]

1. Description This document guides how to access ISS WEB service from remote site <Tested network diagram> Remote PC access local ISS server by Web service 2. How to configure #1. Install ISS with latest firmware + install ADM, MON, STR, WEB Service + and add devices(NVR, IPC..) #2. [...]

IS-1100 does not support SATA HDD. You must use an NLSAS TYPE HDD.

DirectIP 1.0 Camera and DV-2232 should be in the same network. In some cases, DirectIP 1.0 cameras requires additional settings to use DV-2232 COVID-19 video analytics. If you cannot see the VA working on the IDIS Center, please change camera protocol as DirectIP

If the PIR sensor is not working, please check your NVR is on a 'Self-Guard' mode. PIR Sensor is working on 'Self-Guard' mode.