background image

 

other conditions of underexposure to get an optimum 
image. 

 

BLC (Backlight Compensation) 

BLC (Backlight Compensation) compensate light to the 
object in the front to make it clear, but this causes the 
over-exposure of the background where the light is 
strong. 
When BLC is selected as the exposure mode, the BLC 
level can be adjusted from 0 to 8. 

GAIN 

It optimizes the clarity of image in poor light scene. The 

GAIN 

level can be set to 

HIGH

MIDDLE

, and 

LOW

Select 

OFF 

to disable the 

GAIN

 function. 

 

The noise will be amplified if the 

GAIN

 is on. 

3.2.3

 

WB (White Balance) 

White balance is the white rendition function of the 

camera to adjust the color temperature according to 
the environment. It can remove the unrealistic color 
casts in the image. You can set WB mode as 

ATW

, and 

MWB

ATW 

In 

ATW 

mode, white balance is being adjusted 

automatically according to the color temperature of the 
scene illumination. 

MWB 

You can set the 

R GAIN

/

B GAIN

 value from 0 to 255 to 

adjust the shades of red/blue color of the image. 

WB

 MODE                  
      R GAIN         
      B GAIN                    
                      
 RETURN           

MWB

5

5

 

Figure 3-3

 

MWB Mode 

3.2.4

 

DAY-NIGHT 

Color

B/W

, and 

SMART 

are selectable for DAY and 

NIGHT switches. 

COLOR 

The image is colored in day mode all the time.   

B/W 

The image is black and white all the time, and the IR 
LED turns on in the low-light conditions. 

SMART 

You can select to turn on/off the 

INFRARED 

and set the 

value of SMART IR in this menu. 

DAY/NIGHT

 MODE                  
      INFRARED         
      SMART IR                    
                      
 RETURN           

SMART

OPEN

1

 

Figure 3-4

 

  Day & Night 

 

INFRARED 

You can select to turn on/off the IR LED to response to 
the requirements of different circumstances. 
 

                    Available from A1 Security Cameras 

    www.a1securitycameras.com email: [email protected]

Summary of Contents for CMHR92T2-28

Page 1: ...This manual may contain several technical incorrect places or printing errors and the content is subject to change without notice The updates will be added to the new version of this manual We will r...

Page 2: ...rence received including interference that may cause undesired operation EU Conformity Statement This product and if applicable the supplied accessories too are marked with CE and comply therefore wit...

Page 3: ...ters are configurable Auto white balance and internal synchronization SMART IR mode Advanced 3 axis design meets different installation requirements 1 2 Overview This manual applies to two types of bu...

Page 4: ...ype I Camera Both wall mounting and ceiling mounting are suitable for the bullet camera Ceiling mounting will be taken as an example in this section You can take steps of ceiling mounting as a referen...

Page 5: ...g box and align the screw holes of the bullet camera and the gang box cover 2 Route the cables through the cable hole of gang box and fix the camera with the gang box cover with the supplied screws as...

Page 6: ...Camera to the Ceiling Wall 4 Connect the corresponding cables 5 Adjust the camera according to Figure 2 7 to get an optimum angle 1 Loosen the P screw to adjust the pan direction 0 360 Tighten the sc...

Page 7: ...Screw Gang Box Cover Figure 2 9 Fix the Camera with the Gang Box 3 Drill the screw holes in the ceiling wall according to the supplied drill template 4 Hammer the supplied screws into the screw holes...

Page 8: ...set the format of camera and confirm 3 2 Main Menu 3 2 2 AE Auto Exposure AE describes the brightness related parameters You can adjust the image brightness by the BRIGHTNESS EXPOSURE MODE and GAINin...

Page 9: ...image You can set WB mode as ATW and MWB ATW In ATW mode white balance is being adjusted automatically according to the color temperature of the scene illumination MWB You can set the R GAIN B GAIN v...

Page 10: ...s the amount of detail an imaging system can reproduce You can set the SHARPNESS value from 1 to 10 COLOR GAIN Adjust this feature to change the saturation of the color The value ranges from 1 to 10 D...

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