Q-See QSDT404C - Manual (Page 8)

8
Press the Pair the button on corresponding camera and wait for a while, the
monitor connected to the receiver will display the images from the cameras
that have been matched. Pairing succeeded.
7.6 TV OUT: This option allows you to select the video format (NTSC/PAL) for video
output resources. In the United States we use NTSC format.
7.7 Channel selection keys
You may select channels by using the corresponding keys on the receiver to
manually choose channel.
Channel 1
：Up
Channel 2
：Right
Channel 3
：Down
Channel 4
：Left；
Circulation Button
：Monitor screen circulates the image from Channel 1 to
Channel4 then back to Channel1. The receiver will skip the channels that do not
have cameras assigned to them.
8 Troubleshooting
Symptom Remedy
The power does not
turn on.
 Check that the AC power cord is connected securely.
 (In case of power failure) Check the breaker.
No image display on
monitor
 Check if Monitor is on and video format (NTSC / PAL)
is correct.
 Check monitor’s video cable and connections.
 Confirm that the camera has power.
There is no sound.
 Check if the audio cable is well connected to monitor.
Interruption in
Image and Sound
 If there is a microwave oven close by, turn the microwave oven
off.
 You may have other units that run on the 2.4GHz signal. Move
their base away from both the transmitter and/or the receiver
 Your home may have a metal frame that reduces the range of the
unit.
Poor Reception
Quality
 Move the Cameras and/or the receiver around to see it reception
improves.