Planet Technology DVR-471 - Manual (Page 19)

4/16-ch H.264 Digital Video Recorder
DVR supports two types of monitor output, one is Composite output (BNC connector); the
other one is VGA output (DSUB-15). But you can just select one monitor output type at a
time.
Composite Output:
(1) Power off
(2) Press the MENU button and CH3 button at the same time
(3) Power on
(4) When you hear a beep sound, it means images already output to the Composite port.
Now you can release the buttons.
VGA Output:
(1) Power off
(2) Press the MENU button and CH4 button at the same time
(3) Power on
(4) When you hear a beep sound, it means images already output to the VGA port. Now
you can release the buttons.