User Manual
Table Of Contents
- Chapter 1 Product overview
- Chapter 2 Installation
- Chapter 3 Getting started
- Chapter 4 Operating instructions
- Chapter 5 Live view
- Chapter 6 Controlling a PTZ camera
- Chapter 7 Playing back a recording
- Overview of the playback window
- Playback pop-up menu
- Instant playback
- All-day playback
- Playback skip time
- Searching recorded video
- Playing back recordings by time and video type
- Playing back recordings by event
- Creating and playing back bookmarked recordings
- Slideshow of snapshots
- Playing back recordings from the system log
- Playing back frame-by-frame
- Digital zoom in playback
- Chapter 8 Archiving recorded files
- Chapter 9 Using the web browser
- Windows 7 and 8 users
- Accessing the web browser
- Web browser overview
- Using the web browser to configure the device
- Searching and playing back recorded video
- Searching for event logs
- Recording from the browser
- Dual stream recording
- Controlling a PTZ dome camera in the web browser
- Capturing text insertions
- Text overlay
- Using a network storage system
- Chapter 10 Recording
- Chapter 11 Alarm settings
- Chapter 12 Network settings
- Configuring general network settings
- Configuring an NTP server
- Configuring e-mail
- Configuring SNMP
- Configuring UPnP
- Configuring an FTP server to store snapshots
- Configuring a remote alarm host
- Configuring multicast
- Configuring the server and HTTP ports
- Configuring the RTSP service port
- Telnet set up
- Checking network status
- Exporting network packet data
- Port forwarding
- Chapter 13 Storage management
- Chapter 14 Camera settings
- Chapter 15 Recorder management
- Chapter 16 User management
- Appendix A Specifications
- Appendix B PTZ protocols
- Appendix C Port forwarding information
- Appendix D KTD-405 keypad
- Appendix E Maximum pre-recording times
- Appendix F Supported PTZ commands
- Appendix G Default menu settings
- Index
Chapter 13: Storage management
TruVision NVR 21(S/P) User Manual 119
3. If you want to continue to use an HDD when the S.M.A.R.T. test has failed, check
the box Use when the disk has failed to self-evaluate. Click Apply to save the
settings.
4. Click Back to return to live view, or continue configuring the NVR settings.
Bad sector detection
You can improve the performance of your HDDs by ensuring that they have no bad
sectors. Bad sectors can slow down an HDD when reading or writing data, for example.
Figure 36: Bad sector detection window