FAQs Contents

Category [Digital Video Recorder ]:11 hit

[No.1 - No.11] / 1

No.1 The HDMI output images from WJ-HD616/716 look rough. [WJ-HD616] [ [Digital Video Recorder ] ] (2011/7/3)

Answer1

When outputting images to Viera via HDMI connection, no filters are applied, but when outputting to Video Out (analog), some image correction is applied to ensure image quality. Because of this, HDMI images might look rougher.

No.2 According to page 111 of the CCTV System Catalog (April 2009 version), only up to three WV-ASM100 can be connected to WJ-HD350. Why? [WJ-HD350] [ [Digital Video Recorder ] ] (2011/7/3)

Answer2

This is due to limitations in network streaming performance of WJ-HD350.

No.3 Is the message [ [Digital Video Recorder ] ] (2011/7/3)

Answer3

This message is displayed on the following occasions in addition to connecting an unsupported CD/DVD drive. - The media could not be read correctly- Recorded data does not exist in the source time frame specified for copying- The target drive does not exist

No.4 What is the difference in specification between WJ-HD316, WJ-HD309, and WJ-HD350? [WJ-HD350] [ [Digital Video Recorder ] ] (2011/7/3)

Answer4

WJ-HD316 and WJ-HD350 are 16-channel models. HD316 is the first 16-channel model released. This device has been improved in many ways including the drawing process, and released as the new WJ-HD350 version. WJ-HD309 is the 9-channel model of WJ-HD350.

No.5 How many images per second (fps) is the maximum streaming performance for WJ-HD309? In addition, up to how many PCs (sessions) can be connected? [WJ-HD350] [ [Digital Video Recorder ] ] (2011/7/3)

Answer5

Maximum 15 fps. Up to eight PCs can be connected.* The image refresh interval will increase according to the numbers of concurrently displayed cameras and connected PCs.

No.6 Which port does i-PRO and WJ-HD316A use for streaming video to the network? [WJ-HD316] [ [Digital Video Recorder ] ] (2011/7/3)

Answer6

Port 80 is used for video streaming. (This can be changed in configuration.) If using the customized alarm notification function or NTP, the port corresponding to the protocol must be opened.

No.7 Is the issue that event recording slows down searches improved in WJ-HD616/WJ-HD716? [WJ-HD316] [ [Digital Video Recorder ] ] (2011/7/3)

Answer7

Yes. However, if WJ-HD616/WJ-HD716 is overloaded, searches might still take time.

No.8 Search had been slowing down, but improved by manually erasing unnecessary data recorded three months or more ago. In this case, if I use the Auto Erase function to stop saving the data recorded three months or more ago, is it possible to avoid slowing down of searches? [WJ-HD316] [ [Digital Video Recorder ] ] (2011/7/3)

Answer8

Yes. Using the Auto Erase function prevents slowing down of searches. Please note that if the device is overloaded, searches might still take time even though the Auto Erase function is used. In this case, the performance might improve by setting a longer alarm detection interval or changing event recording to scheduled recording.

No.9 Is there any difference in durability or lifetime of the HDD by performing or not performing Auto Erase or Manual Erase? [WJ-HD316] [ [Digital Video Recorder ] ] (2011/7/3)

Answer9

There is no difference in durability or lifetime.

No.10 The interval setting for NTP query is set to 24 hours, but the time synchronization function is not performed every 24 hours. [WJ-HD316] [ [Digital Video Recorder ] ] (2011/7/3)

Answer10

- Time synchronization might take longer than 24 hours depending on the device workload.
- If time offset is below five seconds, time synchronization is not performed.