ZMODO Funlux Manual Manual page 21

1. On the output BNC connectors on the rear panel of your DVR, you will see two
protrusions (one on each side of the connector). On the male BNC end of your
cable, you will see two slots. Line up the slots with the protrusions, as shown in
the picture below:
2. Push the connector in, and twist until the connection is secure, as shown:
3. If you are making a video connection, plug in the RCA male end of the cable to
the yellow composite port on your display. If you are making an audio
connection, plug in the RCA male end of the cable to either the white or red
ports on your monitor.
First-time Setup 3.7