Hikvision DS-2TD4228T-7/S2 User Manual

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Adjust Sensivity during Patrol. The bigger the value is, the more easily the re source can

be detected, and the false rate is higher.

by Mulple Frame

The system stops to check the doubul re source aer rst detecon. It alarms with high

accuracy aer double checking the re source on mulple frames, thus the detecon speed

is slow.

As to the detecon sensivity of this mode, adjust the Sensivity during Patrol for the rst

detecon and Vericaon Sensivity for the double check.

In this detecon mode, Smoke Auxiliary Detecon can also be used to help verify the re

source.

Check Cancel Repeated Alarm and the device alarms only one me if re source detected in

the same place during one day.

Smoke Auxiliary Detecon

The device conducts smoke detecon to verify the re source. It can be congured when the

detecon mode is selected as by Mulple Frame.

Cancel Repeated Alarm

Alarm only one me if re source detected in the same place. It can be congured when the

detecon mode is selected as by Mulple Frame.

Sensivity

The sensivity of re detecon. The bigger the value is, more easily the re source can be

detected, and the false rate is higher.

Hold-and-Alarm Mode

Auto and Manual are selectable. The system will stop when it detects the re source. You can

set the duraon while it keeps sll.

Auto

You can set the dwell me. During the dwell me the camera stays sll where it detects the

re source when performing auto scan, patrol, paern, scheduled task, and park acon.

Manual

The device stays sll where it detects the re source, unl you manually

Fire Source Zoom Rao

Auto

The opcal channel changes its zoom rao unl the thermal channel has the same eld of

view.

Manual

You can set the opcal zoom rao.

Thermal & Opcal Bi-spectrum PTZ Network Camera User Manual

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Hikvision DS-2TD4228T-7/S2 Thermographic Thermal & Optical Bi-spectrum Network Speed Dome