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Chapter II Back Panel Function

1.BNC Connectors

1.1Video In

Connect camera video output to the corresponding video in connector by a 75 ohm coaxial cable.

1.2 Video Out

Connect the other devices to these connectors. They are used to loop through camera’s video to other devices.

1.3 Monitor

Connect this output port to the main monitor.

1.4 VCR Out

Connect this output port to the VIDEO IN of VCR. The quad video output is obtained from this connector.

1.5 VCR In

Connect this input port to the VIDEO OUT of VCR.

2. Level

The 4 gain control regulators is used to adjust the brightness level of the video input.

3. Terminator On/Off

ON

1 2 3 4

Terminator

Camera Input

OFF

ON

 

 

 

 

1

1

Not Terminated

75 Ohm Termination

 

 

 

 

2

2

Not Terminated

75 Ohm Termination

 

 

 

 

3

3

Not Terminated

75 Ohm Termination

 

 

 

 

4

4

Not Terminated

75 Ohm Termination

 

 

 

 

Each camera should be terminated by 75 Ohms. This termination is normally provided by having all switches of 1-4 on. If cameras are looped through to other equipment which provides termination, then the switch sections of the corresponding inputs should be turned off.

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EverFocus 4BQ user manual Chapter II Back Panel Function, BNC Connectors, Level, Terminator On/Off