Contera Camera: Image Shows Rolling Lines

Super Admin
07 May 2026
2 views

Issue: 

Rolling bars can be seen within the image of the AV Costar camera as seen in the example below. 

 

Resolution: 

1. Enable LDR Setting

2. Set the Lighting Compensation Frequency as needed to compensate for Rolling Effect

 

To Configure Settings via HTTP Short Cut and in bulk:  
1. Open AV IP Utility or Costar Utility and Select the Camera(s) to be configured. 
2. Select the HTTP Command Option within AV IP Utility:
AVHTTP.png

OR Costar Utility as seen below: 
CostarHTTP.png

3. Enter the following HTTP command to Turn On the LDR Functions: 
For NDAA cameras use the following: cgi-bin/set.cgi?image.cam1.day.exposure.wdr_pre=off
For Non-NDAA cameras use the following: cgi-bin/set.cgi?image.day.exposure.wdr_pre=off
4. Select the same camera(AV02CID-100 or -200) then Enter the following HTTP command to Set the Frequency: cgi-bin/set?freq=(X) 

X is the number/Frequency desired to be set we recommend starting with 40 and going up in increments of 10 as needed. 

 

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