Vivotek IP8131W Manuel d'utilisateur télécharger pdf (Page 110)

VIVOTEK

110 - User's Manual

The alarm trigger includes: motion detection, tampering detection, and DI detection. Please refer to Event

Settings on page 92�

■ Pre-event recording and post-event recording

The Network Camera has a buffer area (a ash memory); it temporarily holds data up to a certain limit.

Enter a number to decide the duration of recording before and after a trigger is activated�

■ Priority: Select the relative importance of this recording (High, Normal, or Low). Recording with a higher

priority setting will be executed rst.

■ Source: Select a stream for the recording source.

► To enable recording notication please congure Event settings rst . Please refer to page 92.

If you enable adaptive recording on Camera A, only when an event is triggered on Camera A will the

server record the full frame rate streaming data; otherwise, it will only request the I frame data during

normal monitoring, thus effectively save lots of bandwidth and storage space.

Please follow the steps below to set up the recording�

1� Trigger

Select a trigger source�

■ Schedule: The server will start to record les on the local storage or a networked storage (NAS).

■ Network fail: Since network fail, the server will start to record les on the local storage (SD card).

NOTE:

Time

Bandwidth

Activity Adaptive Streaming

for Dynamic Frame Rate Control

I frame ---> Full frame rate ---> I frame

Continuous recording

► To enable adaptive recording, please make sure

you’ve set up the trigger source such as Motion

Detection, DI Device, or Manual Trigger.

► When there is no alarm trigger:

- JPEG mode: record 1 frame per second�

- H�264 mode: record the I frame only�

► When the I frame period is >1s on Video settings

page, firmware will force decrease the I frame

period to 1s when adaptive recording is enabled�

NOTE:

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Vivotek IP8131W Manuel d'utilisateur Page 110