Grundig GKB-A0110M, Owner'S Manual

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5.5. Connection to DVRs and Motordome Cameras
It is also possible to connect several GRUNDIG DVRs and Motordome Cameras directly to the keyboard. There
will be no serial connection between the cameras and the DVRs, but the PTZ control will be more fluent.
5.6. Combined Connection (Recommended)
Another option to connect the Keyboard to a DVR and a Motordome Camera would be to connect them all directly
together, using a triangle connection. This will give you full control of the DVR and the Motordome, while adding
a slighty better performance under CAM mode using the PELCO-D protocol of the camera.
5.7. Camera Protocol Setup
If the Motordome Camera is connected to the DVR and not directly to the Keyboard, you do not need to setup the
protocol and baud rate. The Keyboard will use the GRUNDIG protocol to send the commands to the DVR, which
will forward them to the Motordome Camera.
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