User Manual
Table Of Contents
- Chapter 1 Product introduction
- Chapter 2 Installation
- Chapter 3 Getting started
- Chapter 4 Recording
- Chapter 5 Alarm settings
- Chapter 6 Network settings
- Configuring general network settings
- Configuring DDNS
- Configuring an NTP server
- Configuring email
- Configuring UPnP
- Configuring SNMP
- 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 setup
- Checking network status
- Exporting network packet data
- Chapter 7 HDD management
- Chapter 8 Operating instructions
- Chapter 9 Live view
- Chapter 10 Controlling a PTZ camera
- Chapter 11 Playing back a recording
- Chapter 12 Archiving recorded files
- Chapter 13 Recorder management
- Chapter 14 Camera settings
- Chapter 15 User management
- Chapter 16 Using the web browser
- 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
28 TruVision DVR 12 User Manual
Protecting recorded files
There are two methods to prevent recorded files from being inadvertently
overwritten or deleted off the HDD. We highly recommend that important
recorded events be protected from deletion. Recorded files can either be locked
or the HDD that the files reside on can be set to read only.
Locking and unlocking recorded files
Lock files to protect them against being overwritten or deleted.
To lock or unlock a recorded file:
1. In live view enter the video search window by pressing the Search button on
the front panel or remote control, and then enter Advanced Search.
— Or —
In live view, right-click the mouse to display the pop-up menu and select
Advanced Search.
The Search window appears by default for the Normal tab.
2. Search for the desired recording by entering the search parameters, which
include the camera number, record type, file type, and start time and end
time.
3. Click Search.
A list of recordings, similar to the figure below, matching the search
parameters is displayed.
4. Select the file you want to lock/unlock.
The Locked column indicates whether a file is locked or not.