ELRO DWH SERIES VIDEO SECURITY SYSTEM - Manual (Page 13)

INSTALLATION
Setting the Camera Channel (Optional)
Pairing the Camera to Receiver (Optional)
Follow the steps in Camera Setup section (p.20) to setup or change the
channel of the camera. If you are adding another camera to link with the
supplied monitor in this kit, then ensure its channel is set to a different
channel to the existing camera(s).
Note:
13
The wireless camera will be supplied preset to channel 1.
The monitor supports up to 4 cameras. Follow the steps below in
Camera Setup section (P.20) to setup or change the monitor channel of
the camera. If you are adding another camera to link with the supplied
monitor in this kit, then ensure its channel is set to a different channel to
the existing camera(s).
If the camera is located with in 1m to 1.5m from the monitor and the
camera's volume on the receiver is turned on, then you may hear a
whistling noise on the monitor which is the feedback picked up by the
microphone. In this case please locate the camera further away from
the monitor to prevent this noise.
If the power connection to the camera is kept outdoors, ensure the
connection is suitably protected.