Single-channel video recorder Tral 5 SD functions as a converter of analog video to compressed digital stream for subsequent recording to a removable SDHC memory card and possible transfer over the local network.

The device is designed to perform video recording on non-moving and mobile objects alike. Video recording can be turned on by a built-in motion sensor or by bridging of external contacts.

When used in a car, the external contact bridging mode allows to turn on recording upon a certain acceleration threshold detected by the sensor. A three-axis accelerometer can be installed in any convenient location within the passenger compartment. Thereafter, a learn mode is initiated in order to determine safe acceleration parameters along all of the three axes. In the operative mode, the accelerometer bridges output contacts when a safe acceleration threshold is exceeded. Also, there is a possibility to connect an external illuminated control for forced activation of recording by the driver.

In the external contact bridging mode, Tral 5 SD saves 15 seconds of prerecorded video preceding the contact closing.

When the external contact bridging mode is used on non-moving objects, it is possible to connect an external intruder detection sensor (e.g., an infrared motion sensor) or a perimeter defense controller to the video recorder.

The device features a hot swap button for the SDHC card, allowing to eject the card without the risk of loosing the last recorded video fragment.

Video recorder Tral 5 SD provides a USB interface for connection of a GPS receiver. In this case vehicle movement tracking information is recorded together with video.

Recorded video can be viewed with the help of the freely distributed MultiVision software, and mapping of the geographical location based on GPS tracking information is done using Google Maps. MultiVision software allows to view the archive directly on the Flash card or via a LAN connection to the video recorder. In case of the network connection, the IP address of the device is detected automatically.

Inputs1 video, 1 audio
Video resolution704×576 (deinterlacing)
Video frame rate1-25 fps
Video compression standardH.264 or MPEG4
Color/black-and-white switchingAuto
Network protocolsTCP, UDP, IP, RTP, SMTP, NTP, DHCP, NFS, SMB, e-mail client
Digital interfacesSDHC, Fast Ethernet 10/100 Base-T, USB 2.0
External sensor interfaceOpto-isolator, dry contact
Power supply916 V DC
Power consumption, max.2.1 W
Dimensions120×55×30 mm
Weight103 g
Operation temperature range0C+55C
in uninterrupted power supply mode-20C+55C
in uninterrupted power supply mode
and in waterproof box-40C+50C

Bundled software includes the following applications

  • MultiVision 2 - FilePlayer archive browser;
  • MultiVision 2 - NetViewer online video viewer;
  • MultiVision 2 - MsnToAvi segment encoder into *.avi format;
  • MultiVision 2 - MsnGPS extractor of GPS tracking information from segments;
  • MultiVision 2 - Options global settings for all bundled applications.

System requirements:

  • operating system Windows XP/Vista/7;
  • min. processor frequency 2 GHz;
  • min. RAM 1024 Mb;
  • audio and video card (discrete: AGP or PCI-Express);
  • network interface (10/100/1000).

MultiVision2 - FilePlayer

FilePlayer is an application for browsing video archives both on the video recorder via a network connection and directly on the archive storage medium (USB-Flash, USB-HDD or USB-Vision). In addition, FilePlayer supports operations with archive fragments saved in *.MSN3 format and with catalogues as single archives. The application allows to combine archives from different sources (both local and remote) in one display template and to browse them in a time-synchronized manner. Users navigate through the archive using a timeline featuring a preview and an activity histogram, by jumping to a certain date and time, and by selecting an event in the list of events. Selected fragments of the recording can be saved both in the proprietary format (*.MSN3) and as *.AVI files maintaining subtitles and time stamp.

Major distinctive features:

  • scalable activity histogram with time marks;
  • dynamic previews on the timeline;
  • frame-by-frame advance forward/backward;
  • different forward/backward playback speed;
  • bookmarks, jumping by time and event;
  • browsing archives on external sources (USB drive) having various file systems (including EXT 3 Linux);
  • generation of time/date-stamped JPEG images and AVI video fragments.

MultiVision2 - NetViewer

NetViewer is an application that displays online video from network video recorders. It supports combining video streams from several recorders in one display template page. Information about current events, time, frame rate and video stream is overlaid on the video image during playback. Templates can consist of several pages with different window configurations. Pages can be switched manually or automatically after a set period of time.

Major distinctive features:

  • connect to selected video recorder by selecting menu command Tral 5 Launcher;
  • using templates allows simultaneous viewing of up to 9 cameras and support of a large number of video recorders;
  • display templates with one, four, six, nine and twelve video windows;
  • access to network video recorders by IP address or domain name;
  • identification using recorder name or audio/video stream name;
  • subtitles (date/time/frame rate, etc.);
  • three-level password protection system;
  • automatic reconnection in case of disconnection;
  • indication of each camera's operation mode in the respective video window.

The bundled software contains applications for setting up network video recorders of Tral 5 and Tral 3 series. Setup application can be launched using a context menu in the active window.

Main video recorder settings:

Video settings:

  • channel name;
  • frame rate;
  • colour, brightness, contrast, saturation.

Record mode settings:

  • constant, using motion or external sensor;
  • setting up masking zone and threshold of the software motion sensor;
  • setting up post-recording time for each sensor;
  • scheduled recording;
  • selection of archive location (USB drive and/or network drives with SMB/NFS access mode);
  • archive status control (disk fill, begin and end time of recording);
  • cyclic recording with data replacement and recording till the disk is full.

Operation control functions:

  • sending e-mail containing reasons for its generation and current status of the recorder to a specified address by schedule or upon a certain event,
  • attachment of a *.JPEG image or an *.AVI video fragment to the e-mail.

Network settings:

  • network settings acquisition method (static or using a DHCP server);
  • assignment of network names to video recorders.

Time settings:

  • automatic change to daylight saving time and back;
  • synchronization with a local PC or a NTP server;
  • time zone selection.

Authorization settings:

  • enabling password access to video recorders;
  • creation of a number of accounts with various access rights (setup, archive, viewing).

MultiVision2 - MsnToAvi

MsnToAvi is a utility for conversion of video fragments in the proprietary *.MSN3 format to the commonly used *.AVI format in order to enable video playback using standard media players. Any codec installed in the operating system may be selected for conversion, allowing users to select an optimum output file format. Advanced options permit to select audio and video channels and types of subtitles to be included in the output file. Quad display will be used in case if all video channels are selected.

MultiVision2 - MsnGPS

MsnGPS is a utility for extraction of GPS tracking information from video saved in *.MSN3 format. GPS tracking information can be saved in any of the four most popular formats and further processed using specialized software.

MultiVision2 - Options

Options is a utility providing global settings for all of the MultiVision 2 applications. It allows to select graphic library type, types of subtitles and additional information to be overlaid on the main video window, subtitle display time, and type of map for display of the GPS stream channel.

G-box 3-axis accelerometer

The accelerometer is used to control video recording when Tral 5 SD in installed on a vehicle.

Upon the initial powering up, the accelerometer initiates automatic self-calibration procedure and during 15 minutes determines safe acceleration thresholds of the vehicle. Then the accelerometer switches to operative mode, when it triggers recording only if a threshold is exceeded. Threshold values are set in such a way that recording is initiated only in emergency conditions in the event of skid, emergency braking or accident.

The accelerometer can be installed in any location inside a vehicle and have arbitrary orientation it will use its microprogram to determine the horizontal direction itself. The accelerometer must be firmly attached, because it must maintain its position after the calibration. Connection between the accelerometer and Tral video recorder is implemented using opto-isolated dry contacts.

Number of axes for acceleration measurement3
Acceleration measurement limit1,5 g
Power supply7 to 35 V
Consumption current1 mA
Dimensions40?18?6 mm
Operation temperature range-40C+85C

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