YRH
Coal Mining Infrared Camera
20
altogether provides 6 artificial color modes, respectively “Iron”,
“Iron inverted”, “Rainbow”, “Feather”, “Grey” and “Grey
inverted”. The user may select the different artificial colors
according to the actual demands or personal preference.
（
2
）
Auto adjust
Use it to define the adjustment way of the key “A”. Three
options, “Level and Span”, “Level” and “Span” are available. If
“Level and Span” is selected, press the key “A” and the camera
will adjust automatically the brightness and contrast of the
im
age to the default optimum image effects. If “Level” is
selected, press the key “A”, and the camera will automatically
adjust the brightness of the image, while the contrast needs to
be adjusted manually. On the contrary, if “Span” is selected,
press the k
ey “A” and the camera will automatically adjust the
contrast of the image, and the brightness needs to be adjusted
manually.
（
3
）
Continuous adjust
This is for setting whether the camera needs to auto-adjust
continuously according to the change of the image. There are
three options include “continuously adjust”, “middle value of
the window” and “off”. If “continuously adjust” is selected, the
camera will automatically adjust the brightness and contrast of
the image continuously according to the change of the image;
If “middle value of the window” is selected, the camera will
automatically adjust the brightness of the image continuously
according to the image changes. If “off ” is selected, the
camera will not automatically adjust the brightness and
contract of the image according to the image changes, and
