Night Owl THD301 Series User Manual page 78

Error
There is no picture on selected
channels/camera picture Is not
being displayed.
The image on the DVR appears,
but does not have sound.
The system beeps at startup.
78
Possible Causes
Camera cables are loose of have
become disconnected.
Audio cables are loose or have
been disconnected.
Audio channels are disable.
Volume on external speakers
(not included) is low or off.
Solutions
1. Check the camera video
cable and connections.
2. Disconnect and reconnect the
cable at the system and at
the camera.
3. Try moving the camera to
another channel or use
another cable.
Check the AUDIO connection to
the DVR.
Left click on a channel in
Live View to open the Channel
Toolbar to locate Volume control
and ensure that the channel(s)
are not low or muted.
Increase volume on external
speakers (not included).
The beep at startup is normal.
THD301 Series User's Manual