User Manual
Table Of Contents
- Chapter 1 Product introduction
- 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
- 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 Vista and 7 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
- Dual streaming
- 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 the FTP server
- Configuring a remote alarm host
- Configuring multicast
- Configuring the server and HTTP ports
- Configuring the RTSP service port
- Checking network status
- Exporting network packet data
- Port forwarding
- Chapter 13 HDD management
- Chapter 14 Camera settings
- Chapter 15 NVR 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
- Glossary
- Index
4BChapter 5: Live view
32 TruVision NVR 21 User Manual
Figure 13: Quick access toolbar
Table 9: Description of the quick access toolbar icons
Icon Description
Freeze: Freeze the live image of the selected camera. Although the image
pauses, time and date information does not. The system clock continues to run.
Instant playback: Playback the recorded video from the last five minutes
(default time). If no recording is found, then there was no recording made.
Click the icon and select the desired camera. Click OK.
Audio: Enable/Disable audio output. The audio option must already have been
setup in the Display menu.
Quick snapshot: Capture a snapshot of a video image. The image is saved on
the unit.
PTZ control: Enter PTZ control mode.
Digital zoom: Enter digital zoom. See “Digital zoom” below for further
information.
Image settings: Enter the image settings menu to modify the image lighting
levels. There are three options:
Customize: Modify brightness, contrast, saturation, and hue values.
Restore: Restore image settings to previous values.
These settings can also be modified from the Camera>Image menu (see page
“Adjusting video image settings” on page 118.
Close toolbar: Close the shortcut toolbar.
Digital zoom
You can easily zoom in or out of a camera image in live view mode and playback
using the digital zoom command. The zoom command magnifies the camera
image four times. See Figure 14 on page 33.