Table of Contents
Advertisement
Q How will the stored images be processed if Video Server loses power?
A If user has defined the snapshot interval, Video Server will capture images of four
video inputs periodically and save them into memory as pre-alarm stage. Once the
pre-defined condition is match, the pre-alarm images will be kept and the current
images will be saved. The subsequent images will be stored as post-alarm stage. User
may retrieve these files either by downloading via FTP or direct Video Server send them
in e-mails. That means after monitoring conditions are met, Video Server will keep these
image files until user retrieval even if power is lost.
Q If I set Video Server to send e-mails of images whenever the conditions are met, will
my e-mail account overflow?
A It is recommended to use transient state rather than steady state. For instance, use
'Rising' and 'Falling' rather than 'High' and 'Low' to let the condition be triggered only
when state is changed.
Q Why can I not access Video Server when I setup some options in the application?
A When Video Server is triggered by events, snapshots will take more time to write into
FLASH. If the events occur too often, the system will always be busy with storing images.
That will make users feel like the system responding too slowly. If it is in sequential mode,
the uploading speed depends on the network utilization, server performance, how many
channels are monitored and how many users are accessing the video. Once the system
is too busy to configure, use the restore factory default and reset button to save the
system.
Q I have already set the video inputs to different quality but I still see the old quality
setting when I choose Video All.
A Video All is a special feature to be used for quick checking for four cameras at the same
time. Internally four images of video inputs are compressed with the same settings
based on the first video source.
Q I try to connect my black-and-white and color cameras with Video Server but the
image is not good.
A Although Video Server allows users to choose color or black-and-white images for each
camera, hybrid camera types may increase video processing time and reduce system
performance. While connecting multiple cameras, the same modulation type and color
format are recommended.
DVS-104 User Manual v1.00
Building Networks for People
- 78 -
Advertisement
Table of Contents
