DVR4C Remote Viewer Operation Manual Playback Viewer
EN 10
4.2 Playing video
4.2.1Play control buttons
Backward Step | Backwards replay of images frame by |
| frame. |
Backward Play | Backwards replay. |
Pause | Freezes playback. |
Play | Play forward. |
Forward Step | Replay frame by frame. |
Speed | Select playback speed (0.5x, 1x, 2x, 4x, |
| 8x, 16x, 32x, ALL). ALL plays back every |
| image |
| time duration. Playback speed can be |
| affected by network bandwidth. |
4.2.2Playing Audio
Audio can be played back only at 1X speed in full screen. If
audio is being received, 
flashes. Use 
to control the volume. Click the audio button to mute the audio.
4.3 Controlling zoom
1.Select a cameo.
>The image appears in the upper right portion of the playback screen.
2.Click on the image in the upper right of the playback screen and drag the mouse.
>Digital zoom of the image appears on the screen.
3.To control image zoom, use the + (expansion) or - (reduction) button on the keyboard.
4.4 Saving a still image
You can capture a still image from the
1.Select the images from one camera.
2.Click the pause button to freeze the image.
3.Click 
to save the selected image as a bitmap file.
4.If required, you can add additional comments to the image being stored.
4.4.1Printing an image
Click 
to print the selected image; a note can be attached to the image.
>Default printing is for A4 size paper.
>The note can be a maximum of 5 lines; each line limited to 45 characters.
>All text two seconds before and after the image appears on the
4.5Archiving video
1.Click 
to archive video from the DVR to a PC drive.
2.Enter the archive period (date and time), channel, file split and file name.
>Keep file split size <2 GB.
3.If required, select a different directory.
4.Select the copy file format either .DV4 or .AVI.
>The .DV4 format is the proprietary file format of Bosch and can only be played back with the supplied viewer software (Archive Player). To play the Bosch .AVI format you can use a normal Windows compatible
5.Click Start.
>The file split divides up data for easy storage. For example, if you want to burn the images onto a CD, the file can be split to fit onto two or more CDs.
>Audio video synchronization is typically <0.5 second offset.
4.6 Authentication function
1.Click 
to authenticate recorded video.
2.Enter a period to check (date and time) and select a channel.
3.Click Start.
>A bar indicates the progress of the authentication process.
>If corrupt images are found, they are shown in the result box.
4.7 Hard disk information
The disk usage bar shows the percentage of the hard disk that has been used for recordings on the DVR. The window below shows the disk size and the remaining free space. The date and time of the earliest (From) and latest (To) recordings on the disk are also shown in this window.