Qvis Iapollo SMART NVR User Manual page 134

4 channel 4poe network video recorder
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Contrast
Saturation
Day/Night Mode
BLC
Gain Mode
Gain Adjust
WB
Mirror
Flip
Watermark
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This is to adjust monitor window contrast. The value ranges from
0 to 100. The default value is 50.
The larger the number, the higher the contrast is. You can use
this function when the whole video brightness is OK but the
contrast is not correct. Please note the video may become hazy
if the value is too low. If this value is too high, the dark section
may lack brightness while the bright section may over
exposed .The recommended value ranges are from 40 to 60.
This is to adjust the monitor window saturation. The value
ranges from 0 to 100. The default value is 50.
The larger the number, the strong the color is. This value has no
effect on the general brightness of the whole video. The video
color may become too strong if the value is too high. For the
grey part of the video, the distortion may occur if the white
balance is not accurate. Please note the video may not be
attractive if the value is too low. The recommended value ranges
from 40 to 60.
This is to set the device color and the B/W mode switch. The
default setup is on.
Color: Device outputs the color video.
Auto: Device auto select to output the color or the B/W
video according to the device feature (The general bright of
the video or there is IR light or not.)
B/W: The device outputs the black and white video.
This function can make the target clearer. It can make the
details of the dark section become clear when the background is
too bright.
This function is disabled by default.
This is to set the video noise. Check Auto button; system
automatically sets the video gain. Check Manual button; you can
set gain threshold, brightness, etc.
Gain threshold: Here you can set the gain value. The lower the
value is, the lower the noise is. But the video brightness may
become too dark under the low illumination. If the value is high, it
can enhance the video brightness under the low illumination, but
the video noise may become high at the same time.
Enabling the white balance allows the camera to restore the
white object colour temperature. It can correct the color
temperature between the indoor and outdoor environment.
This is to switch the video left and right limit.
This function is disabled by default.
This switches the video up and bottom limit.
This function is disabled by default.
Please note the video resolution shall be 720P or lower when it
is to flip 90°.
Enable this function to check the video has been tampered with
or not.
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