Q-See QSDT404C - Manual (Page 7)

7
7 Menu
Enter the Menu option to setup the main feature of this product.
Through Right/Left button can adjust parameters, and through Up/Down button can
select the features to set.
7.1 Resolution (High / Low): When set to low, the image is not as clear, but it displays
more frames per second. When set to high, the image will be clearer, but it
displays fewer frames per second.
7.2 SCAN TIME
： This option sets the time interval between cameras when
switching channels automatically. OFF
，Scan is inactive. When on options are: 5
seconds to 20 seconds between cameras.
7.3 AUDIO VOL: Adjust the volume of the audio from 0 to 20. Use the Left/right button
to reduce/increase the volume.
7.4 BRIGHTNESS: Adjust the brightness of images, range of brightness is from 0 to 5,
use the Left/right button to adjust it.
7.5 PAIR: Use this option to pair the cameras with specific channels, press the Pair
button, use the Right/Left button to choose the channel; one channel can only pair
with one camera. After selecting the specific channel and pressing the pair button
again the window below will appear: