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4.4 video switch
PTZ default setting: baud rate 2400, address 1.
Composite video output can be switched to CCD video or thermal video through the command
(manual mode), it can also automatically switch video output (automatic mode) according to light
and dark.
Manual mode: turn on manual mode by calling number 21 preset, force composite video output
mode switch to CCD or thermal imaging mode.
Auto Mode: The camera automatically switches CCD / thermal imaging video based on light and
dark. Devices open automatic mode by default.
4.5 Digital noise reduction function
CCD camera default setting: baud rate 2400, address 1
Digital Noise Reduction function is off by default. When CCD camera output color image, the user
is suggested turning off digital noise reduction function, otherwise the image will appear "smear"
phenomenon. When CCD camera output black and white images, the user can open the digital
noise reduction function by calling number 27 preset. DNR has 5 levels from 1 to 5, the higher the
noise level, the better, but the "smear" phenomenon is more obvious, the user can change the
DNR level by calling number 27 preset or close the digital noise function.
4.6 Image freeze open/close
PTZ default setting: baud rate 2400, address 1.
open image freeze function by calling number 28 preset, then call any of the preset point which
has been set, the image is froze from point A, and continues to
display the freeze image until the camera moves to point B, image
freeze ends, namely switching to normal images. If call number 28
preset again c "image freeze" function will be close.
