of emergency.
Procedure
Step 1
Click
digital channel become dimmed.
Step 2
Click
5.6.3.6 Stream Switch
Click
to switch the bit stream type of the main stream and sub stream according to current
network bandwidth.
● M: Main stream: Its bit streams are big and definition is high. It occupies large network bandwidth
suitable for video wall surveillance, storage and more.
● S: Sub stream: Its definition is low but occupies small network bandwidth. It is suitable for general
surveillance, remote connection and more. Some models support two sub streams (S1, S2).
5.6.3.7 Picture Search
Background Information
Select the image of target person on the live view page and then search by image for all the related
videos with the target person.
Procedure
Step 1
Click
Step 2
Draw a search range according to the on-screen prompt, and then click OK.
to start two-way talk. The icon changes to
again to cancel two-way talk.
. The live image is frozen.
. The rest two-way talk buttons of
123
User's Manual