Close NBS Contract Administrator


Open Regedit (Registry Editor) and browse to the following location - 


Computer\HKEY_CURRENT_USER\Software\BDS Ltd.\NBS Contract Administrator\Display\


Right click on "GuidanceWidth" and select "Modify"


Change "Base" to "decimal" and enter 600 in the "Value Data" box and click OK


Re-launch NBS Contract Administrator


If the Guidance is still covering the jobs repeat the above steps and reduce the Value Data in increments of 100