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 7: Playing back a recording
62 TruVision NVR 21(S/P) User Manual
The current frame rate is shown on the right of the playback control toolbar.
To play back frame-by-frame:
• Using a mouse:
1. In playback mode click the Speed Down button in the playback control toolbar
until the speed changes to single frame.
2. Click the Pause button to advance the video frame by frame.
• Using the front panel:
1. In playback mode move the left direction button to left to scroll down through the
speed changes until single frame.
2. Press Enter to advance the video frame by frame.
Digital zoom in playback
You can easily zoom in on an image during playback to see it in greater detail.
To digitally zoom-in during playback:
1. In playback mode right-click the mouse and click Digital Zoom in the pop-up menu.
The playback control toolbar disappears.
2. Click the screen with the cursor.
The image zooms in and the digital view screen appears.
3. Left-click the mouse and drag the red square to the area of interest, or press the
direction buttons on the front panel to position the red square. The selected area is
magnified.
4. Right-click the mouse to quit the digital zoom mode and to return to full-screen
playback mode. The playback control toolbar reappears.