Evidence Manager Tutorial 05:

Understanding the Evidence Manager Interface

TOC

CH1: Overview

CH2: Configuring Evidence Manager

CH3: Managing Devices

CH4: Managing Docking Stations

CH5: Managing Evidence

CH:6 Using Evidence Player

CH7: EM Redaction

CH8: Reference Reads

Overview

In this section, you will learn to navigate through the Evidence Manager interface. You will also get a sense of the capabilities of the different menu options.

A: Menu bar and quick access toolbar
B: Device Manager pane
C: Map view pane
D: Video display area

E: Layout Manager
F: Player, timeline, and collector controls
G: Metadata View pane, Metadata display
H: Bookmarks pane

Exploring the Menu Options

This section contains detailed information about the Evidence Manager menu options. To know more about a set of menu options, expand the accordion to reveal additional details about the specific menu family you choose.

TIP: Viewing Individual Topics

To view additional details of a menu options family, click the accordion. The title expands to display additional details about the menu that you chose.

Menu bar and Quick Access Toolbar

MenuUse this to...
FileOpen videos, save bookmarks, or save videos to a media device for evidence.
ViewPreserve video aspect ratio, display video time, enable metadata player, and so on.
ToolsOpen the address book, manage users, change passwords, preserve video aspect ratio, update the offline maps, or configure Evidence Manager.
HelpOpen the Evidence Manager help, and view the current version of Evidence Manager.

Menu Use This To...
Open video fileBrowse to a location to open a video file.
Create Evidence FileOpen the Create Evidence window to create evidence files.
Address BookOpen the address book for adding, removing, importing, and exporting devices.
User ManagementOpen the User Management window to add or modify users.
Password ManagementOpen the Password Management window.
Hide Metadata PlayerShow or hide the Metadata Player.

 

Device Manager Pane

The Device Manager pane displays the following options:

Devices are digital video recorders that are fitted inside vehicles. They are listed under the Devices folder within Evidence Manager. As vehicles travel, cameras inside the vehicle record video continuously, and save the recordings to these recorders. When vehicles arrive into designated depots, videos stored in the recorder memory are downloaded to the Depot Manager server over a network. Sometimes, videos are also downloaded by physically connecting the hard drives from the recorders to workstations. The Devices option within Evidence Manager allows you to view device properties, view diagnostics, configure devices, upload and download configuration files, access device logs, and so on.

docking station provides a way for hard drives from compatible recorders to connect to Evidence Manager. Hard drives can be physically connected to a computer or a network. Evidence Manager automatically searches for compatible hard drives connected to computers within the network, and lists them under the Docking Stations folder. If a hard drive is removed from the computer, it disappears from the Docking Stations folder.

Once a hard drive is added to the tree, you can perform operations such as:

  • Play a video from the beginning, using the Go to date option on the timeline bar to filter the video to any date and time
  • Use video player controls such as fast forward, fast reverse, and play/pause to control the video
  • Access log files

Workstations are other computers on which Evidence Manager is installed. Because instances of Evidence Manager on different workstations communicate over the same network, you can use your instance of Evidence Manager to access videos from other workstations. However, the ability of Evidence Manager to connect to other Evidence Manager instances depends on the messaging protocol you select.

Evidence Manager provides a way to view videos from devices by physically connecting the devices to a computer. The Service Portoption allows you to physically connect a device, and directly view videos stored in its hard drive. When used this way, a hard drive is connected by means of a compatible cable to a computer on which Evidence Manager is installed. The Service Port option is used to set an IP address for the hard drive, so that Evidence Manager can connect to it.

Map View

Evidence Manager can track vehicles, and display their positions on an in-application map. If a device has the capability of recording GPS data, Evidence Manager uses this data to track the route of the vehicle in which the device is fitted. Typically, Evidence Manager reads the coordinates within the video files to determine the position of the vehicle at a given time. Multiple positions together define the route that the vehicle travels. Vehicle tracking on maps is only available on Live/Playback video playing at normal speed. On the map, the vehicle position is represented by a tracking line, along with the vehicle’s location and speed information.

To view tracking information on the map, Evidence Manager must be connected to the internet. Once connected, Evidence Manager connects to the local map of your area on https://www.openstreetmap.org/about, in order to display the local map inside the Map View window. If Evidence Manager cannot connect to the internet, a blue screen appears on place of the map.

The image to the left shows the map view, when Evidence Manager connects to the internet.

The image to the right shows the map view, when Evidence Manager cannot connect to the internet. 

Video Display Area

The video display area plays videos recorded earlier, or currently recording. Once a video is accessed, it starts playing in the standard tile layout as label D displays. Evidence Manager supports the following standard layouts: 1×1, 2×2, 3×3, 4×4, and 5×5. The custom tile layout has 1 large tile and 7 smaller, surrounding tiles.

Layout Manager

MenuUse This To...
Video Post ProcessingUse this to change brightness, contrast, saturation, or hue of the video currently playing.
PagingOpen multiple pages of video tiles.
SoundEnable audio, or adjust the volume of the videos on cameras that are currently active.
Layout SelectionChange the tile display of the videos. Evidence Manager displays only those cameras associated with the device.
Standard tile layouts include 1×1, 2×2, 3×3, 4×4, and 5×5. The custom tile layout has 1 large tile and 7 smaller, surrounding tiles. Double-click a tile to maximize or minimize it.
Adjust camera orderChange the camera display order.
OverlayDisplay the device ID and the time in milliseconds.
Maximize/restore ViewerMaximize the current layout to full-screen mode.
CloseClose all videos streaming in the current layout tiles.
Player, timeline, and collector controls

MenuUse This To...
Play/pausePlay or pause the selected video at normal speed.
Previous framePlay the previous frame of video. When you click this icon, the video plays forward.
Fast rewindPlay the current video in reverse mode at 1x, 2x, 4x, 8x, or 16x speeds. Click this icon to increase the speed.
2x reverses the video by 1 second, 4x by 2 seconds, 8x by 4 seconds, and 16x by 8 seconds respectively.
Fast forwardPlay the current video in forward mode at 2x, 4x, 8x, or 16x speeds. Click this icon to increase the speed.
2x advances the video by 1 second, 4x by 2 seconds, 8x by 4 seconds, and 16x by 8 seconds respectively.
Next framePlay the next frame of video.
LoopPlay the video continuously. When you click this icon, the video is looped, indicated by the icon turning red. To exit the loop, click the icon again.
Looping is only available for an exported video file.
Playback/live sliderPlay a live or a previously recorded video.
For playback video, move the slider to Playback.
For live video, move the slider to Live.
Main/sub sliderPlay video in primary or alternate stream. This slider is only enabled when you open a video from a device.
If you set the slider to Main, the video plays with higher resolution. The video file size is larger.
If you set the slider to Sub, the video plays with a lower resolution. The video file size is smaller.

MenuUse This To...
Zoom inZoom in on the timeline.
Zoom outZoom out of the timeline.
Center timelinePosition the timeline pointer to the center of the timeline.
Go to dateOpen the calendar to choose a specific date and time. Once selected, the video starts playing from the selected date and time.

MenuUse This To...
Save snapshotTake a snapshot of the current video.
Save video clipSave the video that is playing on selected cameras.
Add bookmarkAdd bookmarks to the current video.
File informationView the video file information of a video that is playing.
Metadata View Pane

The Metadata View pane lists all the events that are configured within the device to which Evidence Manager is currently connected. These events appear as a color-coded list, with a Yes/No entry against each type of event. When an event occurs, the entry changes from the default value of No to Yes, thereby indicating the occurrence of an event.

Bookmarks Window

The Bookmarks window displays a list of bookmarks that are added to a video. Bookmarks are notes that represent additional details related to a particular clip within a video file. Bookmarks provide better context of the video, and are also useful for finding specific sections in a video on another day.

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