D-Link SECURICAM Network DCS-2120 User Manual page 90

Section  - Configuration
To view an individual camera from the multi-camera layout, double-click on the desired display window. You will see
that the size of the display window is the same as the one-channel layout. Clicking the Back button in the upper-left
corner of the video area will switch to the previous selected multi-camera layout.
The position that each video channel is in for every layout will be saved for the next time the layout is selected.
Input/Output Control Tools
IP surveillance includes DI/DO control (Digital Input / Digital Output) control and an alert message receiver. Each of
these are described in detail on the following pages.
Note: The DI/DO is not available in the DCS-2120 camera.
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